US Pat. No. 9,399,323

THREE-DIMENSIONAL PRINTING STRUCTURE

XYZprinting, Inc., New T...

1. A three-dimensional printing structure comprising:
an object; and
a support member located on one side of the object to support the object, the support member comprising a plurality of support
bricks and a filler, the support bricks being stacked together, wherein a first portion of the filler fills space among the
support bricks, and a second portion of the filler fills space between the object and the support bricks adjacent to the object.

US Pat. No. 9,346,218

THREE DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, comprising:
a base;
a tank, filled with a liquid forming material;
a plurality of floating units, respectively connected between the base and the tank, such that the tank is disposed on the
base in a floating manner; and

a modeling platform be movably immersed in the liquid forming material, wherein a three-dimensional object is formed and adhered
between the modeling platform and a bottom of the tank, and the modeling platform configured to pull the tank away from the
base by pulling the three dimensional object, such that the three-dimensional object is released from the bottom of the tank
by gravity,

wherein the base has a support part and at least one first connection part and at least one second connection part extending
from the support part and located at opposite sides of the support part, the tank has a tank body and at least one third connection
part and at least one fourth connection part extending from the tank body and located at opposite sides of the tank body,
and the three-dimensional printing apparatus further comprises a plurality of springs, wherein the springs are respectively
connected between the first connection part and the third connection part and between the second connection part and the fourth
connection part to form the floating units, such that the tank body is supported on the support part in the floating manner.

US Pat. No. 9,434,109

THREE-DIMENSIONAL PRINTING METHOD

XYZprinting, Inc., New T...

1. A three-dimensional printing method for forming a three-dimensional object on a base, and the three-dimensional printing
method comprising:
providing a model library and the model library comprises at least one supporting member;
developing an iconic model of the three-dimensional object, wherein the three-dimensional object has at least one overhanging
portion relative to the base;

calculating a required supporting space of the overhanging portion of the iconic model relative to the base;
searching for a supporting member from the at least one supporting member in the model library according to a result of calculating
the required supporting space;

selecting the at least one supporting member and disposing the at least one supporting member onto the base; and
printing the three-dimensional object over the base and the at least one supporting member, wherein the at least one supporting
member is filled between the at least one overhanging portion and the base.

US Pat. No. 9,278,474

MATERIAL LEVEL DETECTING MECHANISM OF THREE-DIMENSIONAL SYSTEM

XYZprinting, Inc., New T...

1. A material level detecting mechanism of three-dimensional system, configured to dispense a modeling material layer by layer
to form a three-dimensional object on a base, the material level detecting mechanism of three-dimensional system comprising:
a bracket comprising at least one through hole;
at least one printing head comprising a leaning portion, a cartridge for containing the modeling material and a nozzle for
extruding the modeling material therefrom, the printing head movably located in the through hole to move between an initial
position and a printing position, the leaning portion leaning against the bracket when the printing head located at the printing
position;

a first piston configured to slide along an extensional axis of the cartridge and drive the printing head to move from the
initial position toward the printing position;

a second piston slidably located inside the cartridge, the second piston having a first side facing the nozzle and touching
a surface level of the modeling material contained in the cartridge, and a second side opposite to the first side, the first
piston adapted to push the second side toward the nozzle;

a first detecting unit located at the bracket, the first detecting unit configured to detect a home position of the first
piston and served as a reference for the first piston motion;

a second detecting unit located above the printing head, wherein the second detecting unit is triggered when the first detecting
unit detects the first piston located at the home position or when the first piston still not touching the second piston inside
the cartridge, the second detecting unit generates a first signal when the first piston moves to a first position to drive
the printing head to the printing position,

a control unit coupled to the first detecting unit and the second detecting unit for receive the initial signal from the first
detecting unit and the first and second signal from the second detecting unit to calculate a dispensing amount of the modeling
material according to a distance between the first position and the second position.

US Pat. No. 9,327,449

THREE DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, comprising:
a tank, filled with a liquid forming material and a separating liquid, wherein a specific density of the separating liquid
is larger than a specific density of the liquid forming material, and the separating liquid and the liquid forming material
are substantially immiscible with each other, so that the separating liquid sinks between the bottom of the tank and the liquid
forming material;

a moving platform, movably disposed above the tank;
a light source, disposed below the tank so as to irradiate the liquid forming material;
a detecting unit, comprising an optical element disposed at a side of the tank, and adapted to move along an axial direction
and to emit a ray of light towards the separating liquid and the liquid forming material, the axial direction is perpendicular
to the junction between the separating liquid and the liquid forming material, and the light is parallel to the junction,
so as to detect a junction between the separating liquid and the liquid forming material through the reflection of the light;
and

a control unit, coupled to the light source, the detecting unit and the moving platform, wherein the control unit controls
an initial depth at which the moving platform immerses into the liquid forming material, according to the junction detected
by the detecting unit, the control unit controls the moving platform to move from the initial depth in the liquid forming
material layer by layer towards a direction away from the light source, and controls the light source to irradiate the liquid
forming material, so as to cure the irradiated liquid forming material layer by layer, thereby forming a three-dimensional
object on the moving platform.

US Pat. No. 9,432,655

THREE-DIMENSIONAL SCANNER BASED ON CONTOURS FROM SHADOW IMAGES

XYZprinting, Inc., New T...

1. A three-dimensional scanner, adapted to build a digital three-dimensional model related to a three-dimensional object,
comprising:
a light source module, configured to emit a beam;
a screen, disposed on a transmission path of the beam, and having a projection surface facing the light source module;
a rotary platform, configured to carry the three-dimensional object, and disposed between the light source module and the
screen, wherein the rotary platform is configured to rotate the three-dimensional object to a plurality of orientations about
a rotating axis, so as to form a plurality of object shadows of the three-dimensional object respectively corresponding to
the orientations on the projection surface of the screen;

an image capturing unit, configured to capture the object shadows from the projection surface of the screen to obtain a plurality
of object contour images; and

a processor, coupled to the image capturing unit, and configured to read and process the object contour images to build the
digital three-dimensional model related to the three-dimensional object according to the object contour images, wherein the
processor compares an initial object contour image corresponding to the three-dimensional object at an initial orientation
of the rotary platform with a final object contour image corresponding to the three-dimensional object at a final orientation
where the three-dimensional object is finally rotated to obtain a common central axis of the object contour images.

US Pat. No. 9,421,700

THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional (3D) printing apparatus, comprising:
a processing unit, configured to read and process digital 3D model information;
a base, coupled to and controlled by the processing unit, wherein the base comprises a plurality of heating modules and a
plurality of heating regions, the heating modules are coupled to the processing unit and disposed corresponding to the heating
regions, and the processing unit is configured to control the heating modules to selectively heat at least one of the heating
regions according to the digital 3D model information, wherein

the digital 3D model information comprises bottom layer distribution data, and the bottom layer distribution data corresponds
to a plane coordinate of the base, the processing unit controls the base to heat the at least one heating region to be heated
according to the plane coordinate; and

a printing head, disposed above the base, wherein the printing head is coupled to and controlled by the processing unit to
dispense a thermal melting material layer-by-layer on the at least one heated heating region, so as to form a 3D object related
to the digital 3D model information.

US Pat. No. 9,358,728

3D PRINTER

XYZPRINTING, INC., New T...

1. A 3D printer (1, 1a) comprising:
a machine body (10, 10a);

a door sheet (12, 12a) movably connected to the machine body (10, 10a);

a material rack (20, 20a) fixed to the door sheet (12, 12a) and disposed in an inner area (120) toward an inside of the machine body (10, 10a), the material rack (20, 20a) including a positioning plate (21) and a plurality of partition members (22), the partition members (22) dividing the inner area (120) into a plurality of material receiving compartments (121);

at least one material tube (2), the material tube (2) including a pair of wings (3), each of the partition members (22) including a positioning recess (220) correspondingly, the material tube (2) being positioned in the material receiving compartment (121) by disposing of the pair of the wings (3) in a spanning manner on the positioning recesses (220) of two adjacent partition members (22);

a driving module (30, 30a) disposed inside the machine body (10, 10a); and

a printing module (40, 40a) disposed inside the machine body (10, 10a) and driven by the driving module (30, 30a) to move to the material receiving compartment (121), the material tube (2) is driven by the printing module (40, 40a) to move out of the material receiving compartment (121) and be positioned on the printing module (40, 40a).

US Pat. No. 9,440,398

AUTOMATIC LIQUID SUPPLY APPARATUS FOR 3D PRINTING AND LIQUID LEVEL SENSOR THEREOF

XYZPRINTING, INC., New T...

1. An automatic liquid supply apparatus, for supplying liquid material during 3D printing, the automatic liquid supply apparatus
comprising:
a container including an accommodating space for containing the liquid material, the accommodating space including a trench
and a recess communicating with each other, the trench including an inner bottom face, the recess being recessed to a depth
below the inner bottom face, wherein the trench includes a plurality of inner walls surrounding the periphery of the inner
bottom face, and the recess is adjacent to one of the inner walls;

a liquid level sensor including a floater, the floater being disposed corresponding to the recess and floating on the liquid
material to generate floating movement along with a liquid level of the liquid material, the liquid level sensor sensing the
liquid level of the liquid material in the accommodating space according to the floating movement of the floater; and

a liquid dispenser electrically connected to the liquid level sensor, the liquid dispenser selectively supplying or stopping
supplying the liquid material into the accommodating space according to the sensed liquid level.

US Pat. No. 9,149,986

THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, comprising:
a chassis;
a tank, disposed at the chassis and adapted to be filled with a liquid forming material;
an outer cover, having a first side and a second side opposite to each other, wherein the outer cover is pivoted on the chassis
through the first side and adapted to rotate relative to the chassis, so that the second side moves relative to the chassis;
and

a shielding module, disposed on the chassis and connected to the outer cover, the shielding module comprising:
a pivot, disposed on the chassis and beside the tank; and
a mask, winding on the pivot and connected with the second side, wherein when the outer cover rotates to a first position,
the mask is winding on the pivot, and when the outer cover rotates to a second position, the second side of the outer cover
pulls the mask out of the pivot, so that the mask covers the tank in order to shield the liquid forming material filled in
the tank.

US Pat. No. 9,387,658

METHOD OF THREE-DIMENSIONAL PRINTING

XYZprinting, Inc., New T...

1. A method of three-dimensional printing, used to form a three-dimensional object stacked by a plurality of layers of object
unit and comprising:
forming and curing a layer of uncolored body;
forming a color layer at contour of the layer of uncolored body after the layer of uncolored body is finished so that the
layer of uncolored body and the color layer form a layer of object unit; and

forming a cover layer at the contour of the layer of object unit so that the color layer is located between the layer of uncolored
body and the cover layer.

US Pat. No. 9,346,217

THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, comprising:
a swing tank, configured to contain a liquid formation material, and comprising a pivot side and a swing side, wherein the
swing side is adapted to swing about the pivot side;

a swing mechanism, comprising:
a cam, disposed at the swing side and comprising a shaft and at least one protruding edge, wherein the cam leans against the
swing side, and rotates to drive the swing side swinging up and down through the at least one protruding edge; and

a driving motor, configured to drive the cam to rotate;
an elevating platform, movably disposed above the swing tank;
a light source, disposed below the swing tank to irradiate and cure a irradiated part of the liquid formation material; and
a control unit, coupled to the light source, the swing mechanism and the elevating platform, wherein the control unit controls
the elevating platform to immerge into the liquid formation material by an initial depth, the light source irradiates and
cures the irradiated part of the liquid formation material between the elevating platform and a bottom of the swing tank,
the control unit controls the swing mechanism to drive the swing side to swing, such that the cured liquid formation material
is separated from the bottom and is located on the elevating platform, and the cured liquid formation material is stacked
on the elevating platform layer-by-layer to from a three-dimensional object.

US Pat. No. 9,302,460

THREE DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three dimensional printing apparatus, comprising:
a tank filled with a liquid forming material;
a modeling platform moveably disposed above the tank to move in or out the tank;
a first optical element and a second optical element respectively disposed next to the tank, and the second optical element
located above the first optical element;

a third optical element located under the tank; and
a light source located below the tank, wherein, when a three dimensional object is formed at the modeling platform, the modeling
platform moves the three dimensional object out of the liquid forming material in the tank, and the light source generates
a first light sequentially transmitted by the first optical element and the second optical element to detour round the tank
to irradiate the three dimensional object to perform a final appearance curing irradiation to the formed three dimensional
object,

wherein the light source generating a second light transmitted by the third optical element to pass through a bottom of the
tank and scan the liquid forming material to cure the liquid forming material so as to form the three dimensional object on
the modeling platform,

wherein the first optical element is located at a side of the third optical element away from the light source and out of
an area under the tank.

US Pat. No. 9,073,366

ROTATIONAL PRINTING HEAD MODULE HAVING MUTI-CARTRIDGE

XYZprinting, Inc., New T...

1. A printing head module configured to dispense a modeling material layer by layer to form a three-dimensional object on
a base, the printing head module comprising:
a bracket comprising a plurality of through holes;
a plurality of cartridges coaxially aligned with each other, each of the cartridges comprising a leaning portion and containing
the modeling material and a nozzle for extruding the modeling material therefrom, each of the cartridges movably disposed
in the corresponding through hole and adapted to move between an initial position and a printing position, the leaning portion
leaning against the bracket when the cartridge located at the printing position;

a first piston configured to slide along an extensional axis of the cartridge and drive a printing cartridge to move from
the initial position toward the printing position;

a pivot shaft, connected to the bracket and adapted to rotate the cartridge to a working location aligned with the first piston
for dispensing the modeling material; and

a control unit, coupled to the pivot shaft for controlling the rotation of the bracket and to the first piston for controlling
the first piston, so as to drive the cartridge rotated to the working location to move from the initial position toward the
printing position, wherein a distance between the base and the nozzle of the printing cartridge rotated to the working location
is shorter than a distance between the base and the nozzles of the rest of the cartridges.

US Pat. No. 9,505,174

PRINTING HEAD MODULE

XYZprinting, Inc., New T...

1. A printing head module, capable of dispensing a modeling material layer by layer to form a three-dimensional (3-D) object,
the printing head module comprising:
a body, comprising a material-supplying channel and a nozzle, the material-supplying channel corresponding to the nozzle and
forming a material-supplying path with the nozzle;

a feeding roller assembly, disposed between the material-supplying channel and the nozzle, the feeding roller assembly comprising
an active roller and a passive roller respectively disposed at two opposite sides of the material-supplying path;

a feeding sensor, disposed at the passive roller to directly detect whether the passive roller rotates; and
a control unit, coupled to the feeding roller assembly and the feeding sensor to control the active roller to drive the passive
roller to rotate, so as to transmit the modeling material from the material-supplying channel to the nozzle along the material-supplying
path, and the modeling material extruded out from the nozzle to form the 3-D object, and the control unit generating a notice
according to a directly detecting result of the feeding sensor.

US Pat. No. 9,479,667

ALIGNING MECHANISM OF 3D PRINTER SCANNING DEVICE

XYZPRINTING, INC., New T...

1. A 3D printer scanning device, comprising:
a body; and
an aligning mechanism, the aligning mechanism comprising:
a scan driving module, installed in the body, and including a base and a motor installed in the base, the motor having a driving
gear, and each gear of the driving gear having a first rounded corner; and

a scan loading module, installed in the body, and including a loading table, a turntable combined with the loading table,
and an engaging gear coupled to the turntable, a side of the loading table having a notch, and the engaging gear being exposed
from the notch;

wherein, the driving gear of the scan driving module and the engaging gear of the scan loading module are provided for engaging
the driving gear precisely with the engaging gear through the first rounded corners, so that the scan driving module drives
the turntable of the scan loading module to rotate.

US Pat. No. 9,446,558

THREE-DIMENSIONAL PRINTING APPARATUS AND PRINTING HEAD MODULE

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, comprising:
a base, having a carrying surface;
a printing head module, disposed above the base, and the printing head module comprising:
a body, comprising a material supplying channel; and
a discharge outlet switching component movably disposed at the body, the discharge outlet switching component comprising a
plurality discharge outlets, and diameters of the discharge outlets being different from each other; and

a control unit, coupling and controlling the discharge outlet switching component, and configured to choose one of the discharge
outlets according to the diameters of the discharge outlets and connect the chosen discharge outlet to the body, thereby the
material supplying channel is connected to the chosen discharge outlet.

US Pat. No. 9,481,545

FILAMENT FUSING APPARATUS

XYZprinting, Inc., New T...

1. A filament fusing apparatus, for bonding two independent filaments, the filament fusing apparatus comprising:
a first body having a first surface and a plurality of first filament grooves disposed at the first surface;
a first heat conducting element disposed on the first surface, the first heat conducting element having a first connecting
groove and at least one first overflow groove, two opposite sides of the first connecting groove connected to the first filament
grooves respectively, the first overflow groove connected to a side of the first connecting groove, and the two filaments
adapted to be disposed in the first connecting groove in an overlap manner;

a second body having a second surface and a plurality of second filament grooves disposed on the second surface, the second
body pivotally connected to the first body to rotate relative to the first body;

a second heat conducting element disposed on the second surface, the second heat conducting element having a second connecting
groove and at least one second overflow groove, two opposite sides of the second connecting groove connected to the second
filament grooves, the second overflow groove connected to a side of the second connecting groove, and the second overflow
groove disposed correspondingly to the first overflow groove, the second body adapted to rotate till contacting the first
body, such that the second heat conducting element contacting the first heat conducting element; and

a heating unit disposed on the first body or the second body, and contacting the corresponding first heat conducting element
or the second heat conducting element to fusing the two filaments into one bonded filament.

US Pat. No. 9,437,048

SEARCHING METHOD FOR PLANE AREA OF 3D MODEL

XYZPRINTING, INC., New T...

1. A method for printing a 3D object and searching a plane of a 3D model, using an editing software executed in a computing
device, the method comprising:
a) importing a first 3D model data and opening a first 3D model according to the first 3D model data at the computing device;
b) obtaining an outline of the first 3D model at the computing device;
c) obtaining coordinate information of a plurality of coordinate points within the outline at the computing device;
d) setting one of three axes of the first 3D model to be a datum axis at the computing device;
e) setting a lowest point of the outline of the first 3D model based on the datum axis to be a locate point at the computing
device;

f) extending from the locate point along another two of three axes to search all of the coordinate points within the outline
at a substantially similar height of the datum axis with the locate point at the computing device;

g) reserving the coordinate information of the coordinate points being continual and capable of constituting a plane area
at the computing device;

h) after the step g), if the locate point is not a highest point of the outline on the datum axis, amending a value on the
datum axis of the locate point by adding a fixed variable at the computing device, wherein the fixed variable is a value of
a desired precision of the 3D object; and

i) after the step h), executing the steps f), g), and h) according to the amended locate point at the computing device
w) printing the 3D object.

US Pat. No. 9,415,548

FEEDING APPARATUS FOR FORMING 3D OBJECT

XYZPRINTING, INC., New T...

1. A feeding apparatus for forming 3D object, the feeding apparatus feeding filaments in a filament spool of a 3D printer
to a printing mechanism and comprising:
a frame structure, having a passageway for communicating the printing mechanism and the filament spool;
a transmission set, fastened on the passageway of the frame structure;
an actuator, fastened on the frame structure, used to drive the transmission set;
a swing unit, configured at one port of the passageway, wherein the port is near the filament spool; and
a controller, fixed on the frame structure, the controller having a sensor and the controller electrically connected to the
actuator and the sensor;

wherein when the filaments in the filament spool enters the passageway and pushes the swing unit, the sensor senses a displacement
of the swing unit so as to generate a sensing signal, such that the controller controls the actuator to drive the transmission
set so as to feed the filaments to the printing mechanism according to the sensing signal.

US Pat. No. 9,278,536

PRINTING HEAD MODULE

XYZprinting, Inc., New T...

1. A printing head module, configured to dispense a modeling material layer by layer to form a three-dimensional object on
a base, the printing head module comprising:
a bracket comprising a plurality of through holes;
a plurality of printing heads parallelly aligned with each other and disposed in the through holes respectively, each of the
printing heads comprising a nozzle for extruding the modeling material;

a pivot shaft connected to the bracket to rotate one of the printing heads to a target position for dispensing the modeling
material, the through holes disposed around the pivot shaft, such that the printing heads disposed therein surrounds the pivot
shaft;

a wiper unit comprising:
a holder connected to the pivot shaft to be rotated with the bracket and the printing heads, the holder comprising a plurality
of openings respectively located beneath and corresponding to the nozzles; and

a plurality of wipers rotatably connected to the holder and disposed correspondingly to the openings, each of the wipers adapted
to rotate between an open position for exposing the corresponding opening and a block position for covering the corresponding
opening; and

a wiper opener disposed at the target position to interfere with the wiper rotated to the target position, so as to drive
the corresponding wiper to rotate to the opening position for the corresponding printing head to extrude the modeling material
through the opening, the wiper opener releasing the interference when the corresponding wiper passes the target position,
so the corresponding wiper rotate back to the blocking position to wipe off the residual modeling material from the tip of
the nozzle.

US Pat. No. 9,598,185

MATERIAL FILLING APPARATUS FOR 3D PRINTING

XYZPRINTING, INC., New T...

1. A material filling apparatus for 3D printing, capable of filling a material into a material tank through a feeding part
of a feeding machine, and the material tank having a front end and a rear end, and the material filling apparatus comprising:
a fixed sleeve, having a fixed end connected to the feeding part and a first open end opposite to the fixed end; a moving
sleeve, movably inserted and tightly fitted into and interfered with the fixed sleeve, and having a second open end corresponsive
to the fixed end and a blocking end corresponsive to the first open end; and a material output pipe, inserted into the moving
sleeve, and having a connecting end connected to the feeding part and a material output end opposite to the connecting end,
and the material tank being movable sheathed on the exterior of the material output pipe, and the rear end of the material
tank and the material output end being movably situated opposite to one another, and the blocking end of the moving sleeve
blocking the rear end of the material tank; wherein, the material tank is squeezed by the filling material of the feeding
machine to move in a direction from the connecting end towards the material output end, and the rear end of the material tank
moves away from the material output end of the material output pipe and pushes the blocking end of the moving sleeve, so that
the moving sleeve moves together with the material tank with respect to the fixed sleeve.

US Pat. No. 9,482,586

HEATING CONTROL APPARATUS AND CONTROL METHOD THEREOF

XYZprinting, Inc., New T...

1. A heating control apparatus, comprising:
a heating module, configured to heat a nozzle;
a temperature sensing module, configured to sense a heating temperature of the heating module to correspondingly generate
and provide a temperature sensing signal according to the heating temperature;

a pulse width modulation circuit, configured to generate a pulse width modulation signal; and
a comparator, having input terminals respectively coupled to the temperature sensing module and the pulse width modulation
circuit and an output terminal coupled to the heating module, and configured to receive the temperature sensing signal and
the pulse width modulation signal and compare the temperature sensing signal and the pulse width modulation signal to generate
a comparing pulse width modulation signal in order to control the heating temperature of the heating module by using the comparing
pulse width modulation signal.

US Pat. No. 9,415,547

THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, comprising:
a tank filled with a liquid forming material;
a movable platform movably disposed above the tank;
a light source disposed below the tank and configured to project light on the liquid forming material so as to form a three-dimensional
object layer by layer on the movable platform;

a detection module disposed above the tank and comprising a signal emitter and a signal receiver, wherein the signal emitter
is configured to emit a detection signal and the signal receiver is disposed on a transmission path of the detection signal;
and

a control unit coupled to the detection module and the movable platform, wherein the control unit activates an error-detection
mechanism so as to control the movable platform to move toward the detection module, and determines whether the three-dimensional
object is abnormal based on whether the detection signal is detected by the signal receiver.

US Pat. No. 9,211,676

THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, capable of dispensing a material by layers to form a three-dimensional object,
the three-dimensional printing apparatus comprising:
a base, comprising a carrying surface and a guiding mechanism, the guiding mechanism extending along a long-axis direction
of the base;

a casing, detachably disposed on the guiding mechanism and configured to move relatively to the base along the guiding mechanism,
wherein the length of the base is greater than the length of the casing along the long-axis direction, such that the casing
is suitable for moving relatively to the guiding mechanism;

at least one printing head, movably disposed in the casing; and
a control unit, coupled to the base, the casing and the at least one printing head for controlling the at least one printing
head dispensing the material to form the three-dimensional object on the carrying surface according to a related information
of a digital three-dimensional model, wherein the related information comprising an extensional information related to the
long-axis direction, and the control unit controls the casing to move relatively to the base according to the extensional
information.

US Pat. No. 9,511,546

THREE DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, for printing a three-dimensional object comprising at least one layer object, the
apparatus comprising:
a tank, containing a liquid-formation material;
a rotatable platform, elevatably disposed above the tank;
a light source module, disposed under the tank;
a controller, coupled to the light source module and the rotatable platform,
wherein when the controller controls the rotatable platform to move to a height along an axis direction, the controller controls
the rotatable platform to sequentially rotate a plurality of rotating angles around the axis direction and controls the light
source module to irradiate the liquid-formation material, so as to sequentially solidify a plurality of object sections of
the at least one layer object, and each of the rotating angles at least corresponds to one of the object sections,

wherein after the rotatable platform rotates one of the rotating angles, the controller controls the light source module to
irradiate the liquid-formation material to solidify one of the object sections of the at least one layer object, and the one
of the object sections is separated from the bottom of the tank in response to controlling the rotatable platform to rotate
another one of the rotating angles by the controller for controlling the light source module to irradiate the liquid-formation
material to solidify next one of the object sections.

US Pat. No. 9,216,545

PRINTING HEAD MODULE

XYZprinting, Inc., New T...

1. A printing head module, configured to Rum a three-dimensional object layer by layer with a modeling material on a carrying
surface of a base, the printing head module comprising:
a bracket including a containing cavity and a supporter;
a locking mechanism disposed on the bracket, wherein the locking mechanism comprises a pressing component, a locking component
and an elastic component, the pressing component is fixed to the supporter, the locking component is pivotally connected to
the pressing component, such that the elastic component leans between the pressing component and the locking component, the
locking component has at least one first positioning portion and a first material inlet, and the pressing component has a
second material inlet corresponding to the first material inlet for feeding the modeling material; and

a printing head detachably disposed in the containing cavity, wherein the printing head comprises at least a second positioning
portion, configured to be engaged with the first positioning portion, such that the elastic component is pressed to provide
the locking component with a restoring force away from the pressing component to confine the printing head between the locking
component and the bracket.

US Pat. No. 9,162,395

THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, configured to form a three-dimensional object layer by layer with a modeling material
and comprising:
a printing assembly, comprising a feeding tube, a driving wheel set and a nozzle, wherein the driving wheel set is disposed
between the feeding tube and the nozzle to drive the modeling material transferred to the nozzle from the feeding tube and
exit from the printing assembly via the nozzle so as to form the three-dimensional object layer by layer; and

a cleaning unit, having a brush, wherein the brush leans against and contact with the driving wheel set so as to clean out
the residual modeling material while the driving wheel set rotates relatively to the cleaning unit.

US Pat. No. 10,065,374

METHOD OF AUTOMATICALLY ADDING SUPPORTING STRUCTURE TO 3D MODEL

XYZPRINTING, INC., New T...

1. A method of automatically adding supporting structure to 3D model, comprising:a) retrieving a layer height and a minimum overlapping ratio corresponding to the layer height;
b) executing a slicing process to retrieve a plurality of molded object slices according to the layer height, and analyzing respectively an overlapping ratio between at least two of the molded object slices among the molded object slices adjacent up and down and forming a suspended slope;
c) adding a supporting structure below the corresponding suspended slope when determining that the overlapping ratio is less than the minimum overlapping ratio;
d) transforming the plurality of molded object slices and the plurality of supporting object slices incorporated in the supporting structure into printing data; and
e) printing the plurality of molded object slices for materializing according to the printing data at a 3D printer and printing the plurality of supporting object slices for materializing according to the printing data during printing the plurality of molded object slices.

US Pat. No. 9,521,285

DETACHABLE SCANNING AND SUPPORTING MODULE OF 3D PRINTER

XYZPRINTING, INC., New T...

1. A 3D printer, comprising:
a machine body, having a bottom plate;
a printing platform, disposed on the bottom plate, the printing platform comprising a slide track and a printing substrate,
the printing substrate being capable of moving corresponding to the slide track;

a scanning and driving module, disposed on the bottom plate, the scanning and driving module and the slide track being staggeredly
disposed such that the scanning and driving module and the slide track do not interfere with the movement of the printing
substrate; and

a scanning and supporting module detachably combined with the scanning and driving module, and being driven by the scanning
and driving module.

US Pat. No. 9,505,175

THREE-DIMENSIONAL PRINTING DEVICE

XYZprinting, Inc., New T...

1. A three-dimensional printing device comprising:
a main body having a reference side and a support side;
a plurality of driving units assembled on the main body, connecting the reference side with the support side along an axis;
a carrying unit assembled on the driving units to be driven by the driving units to move between the reference side and the
support side, the carrying unit comprising a plurality of axial connection portions;

a plurality of sensing units disposed on the reference side, and each of the sensing units corresponding to a respective one
of the axial connection portions; and

a control unit coupled to the driving units and the sensing units, the control unit controlling the driving units to drive
the carrying unit to move to the reference side of the main body along the axis, wherein each sensing unit senses when its
corresponding axial connection portion arrives at the reference side of the main body, and produces a termination signal indicating
such the control unit utilizing the termination signal to control the driving.

US Pat. No. 10,046,523

DELTA 3D PRINTER AND CALIBRATING METHOD FOR USING THE SAME

XYZPRINTING, INC., New T...

13. A delta 3D printer, comprising:a base;
a printing-platform disposed on the base;
three support brackets vertically disposed on three corners of the base;
three support rods vertically disposed on three corners of the base;
three sliding components movably and respectively disposed on each support rod;
a nozzle respectively and pivotally connected to each sliding component via a plurality of arms;
a vertical calibration mechanism comprising a plurality of light blocking sensors disposed on one of the three support brackets and a shielding structure disposed on one of the three sliding components, and the vertical calibration mechanism being used for performing a displacement calibration on a Z-Axis for the three sliding components;
a horizontal calibration mechanism comprising a reflected light quantity sensor disposed on the nozzle and a plurality of localization color blocks disposed on the printing-platform, and the horizontal calibration mechanism being used for performing a displacement calibration on an X-Axis and a Y-Axis for the nozzle; and
a printing-platform calibration mechanism used for performing an angle calibration on the printing-platform, comprising an elastic component and an off-center wheel disposed under the printing-platform and supporting the printing-platform and an electromagnetic valve for controlling rotation of the off-center wheel.

US Pat. No. 9,770,868

THREE-DIMENSIONAL PRINTING MODULE AND THREE-DIMENSIONAL PRINTING APPARATUS USING THE SAME

XYZprinting, Inc., New T...

1. A three-dimensional printing module adapted to be detachably assembled to a three-dimensional printing apparatus, comprising:
a tank, configured to contain a liquid forming material;
a top cover, detachably assembled to the tank to close the tank;
a modeling platform, assembled to the top cover, located in the tank, and immersed in the liquid forming material; and
a first tenon, movably assembled to the top cover, the top cover locked to or released from the tank through the first tenon,
wherein when the top cover is locked to the tank through the first tenon, the three-dimensional printing module can be dissembled
from the three-dimensional printing apparatus, wherein when the first tenon actuates along a second axis, the top cover and
the modeling platform actuate along a first axis to open the tank,

wherein the top cover has a cover body and a protrusion portion located on the cover body, and
wherein the first tenon has a driving portion and at least one first locking portion extending from the driving portion, the
driving portion is movably disposed in the protrusion portion, and a part of the driving portion protrudes out of the protrusion
portion, a part of the first locking portion protrudes out of a side edge of the cover body and is correspondingly locked
to a locking hole of the tank.

US Pat. No. 9,630,364

THREE-DIMENSIONAL PRINTING APPARATUS AND NOZZLE TEMPERATURE ADJUSTMENT METHOD THEREOF

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, comprising:
a melting nozzle;
a feeding roller set feeding a first feed material or a second feed material to the melting nozzle;
a temperature sensor coupled to the melting nozzle for sensing an initial conversion temperature of the melting nozzle; and
a controller coupled to the melting nozzle, the feeding roller set, and the temperature sensor for comparing a first melting
point temperature of the first feed material and a second melting point temperature of the second feed material when switching
a status from feeding the first feed material to the melting nozzle to feeding the second feed material to the melting nozzle,
and selecting a higher melting point temperature from the first melting point temperature and the second melting point temperature
as the initial conversion temperature,

wherein after executing a slag processing procedure according to the initial conversion temperature, the controller controls
the initial conversion temperature to recover from the first melting point temperature to the second melting point temperature
if the first melting point temperature is the higher melting point temperature,

wherein after executing the slag processing procedure according to the initial conversion temperature, the controller controls
the initial conversion temperature to maintain at the second melting point temperature if the second melting point temperature
is the higher melting point temperature.

US Pat. No. 10,081,137

DISTRIBUTED PRINTING METHOD OF 3D PRINTER

XYZPRINTING, INC., New T...

1. A distributed printing method of a powder-bed 3D printer, the method comprising:a) generating, by a processor of the powder-bed 3D printer, a color image for a printing layer, wherein the color image comprises color information;
b) generating, by a processor of the powder-bed 3D printer, a non-color image for the printing layer, wherein the non-color image comprises adhesive information;
c) calculating replacing information through an adjusting module of the powder-bed 3D printer, and comprising:
c1) analyzing distributed positions of adhesive distributed in the printing layer according to the adhesive information; and
c2) calculating the replacing information based on the distributed positions of the adhesive through the adjusting module, wherein the replacing information indicated multiple adjusted target positions, and the adjusted target positions are overlapped with parts of the distributed positions of the adhesive;
d) adjusting the adhesive information of the non-color image according to the replacing information for generating adjusted non-color image;
e) adjusting the color information of the color image according to the replacing information for generating adjusted color image;
f) generating a final printing image via combining the adjusted color image and the adjusted non-color image, wherein the final printing image is used by the processor for respectively controlling an adhesive nozzle of the powder-bed 3D printer to jet adhesive and controlling multiple color nozzles of the powder-bed 3D printer to respectively jet corresponding color inks; and
g) executing printing according to the final printing image.

US Pat. No. 9,718,239

THREE DIMENSIONAL PRINTING APPARATUS AND THREE DIMENSIONAL PRINTING METHOD

XYZprinting, Inc., New T...

7. A 3D printing method used for modeling a 3D object, wherein the 3D printing method comprises:
providing a liquid modeling material layer by layer on a modeling platform by a printing module and curing the liquid modeling
material to form a plurality of modeling layers by a curing module, and forming the 3D object by stacking the modeling layers;
and

providing a laser beam along at least one plane parallel to the modeling platform by a laser module according to a condition
parameter to cut and trim at least one modeling layer, wherein the printing module, the curing module, and the laser module
are disposed at a transmission module and controlled by the transmission module.

US Pat. No. 9,688,026

HEATING PLATFORM AND 3D PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A heating platform, adapted to form a three dimensional (3D) object in a layer-by-layer manner by dispensing a thermal-plastic
material, the heating platform comprising:
a substrate, having a first surface and a second surface which are opposite to each other, wherein the first surface is used
to form the 3D object;

a heating plate, attached to the second surface of the substrate to heat the substrate;
a conducting plate, attached to the heating plate to make the heating plate to be disposed between the second surface of the
substrate and the conducting plate, wherein a surface area of the conducting plate is smaller than a surface area of the substrate,
and an end of the conducting plate extends out of the heating plate; and

a temperature sensing element, disposed on the end of the conducting plate which extends out of the heating plate to sense
a temperature of the substrate through the conducting plate.

US Pat. No. 9,610,616

CLEANING APPARATUS FOR A MODEL

XYZPRINTING, INC., New T...

1. A cleaning apparatus used for a carrier and a model fixed on the carrier, the cleaning apparatus comprising:
a case body having an opening disposed at a top thereof, an outlet disposed at a bottom thereof, and a receiving space disposed
between the opening and the outlet;

a sprinkling unit installed in the case body, the sprinkling unit having a plurality of nozzles which are configured corresponding
to the receiving space;

a switching valve installed at the outlet on the bottom surface of the case body to open or close the outlet; and
a rotating mechanism configured corresponding to the opening and connected to the carrier and being able to rotate the carrier,
wherein the model passes through the opening and is disposed in the receiving space,

wherein the rotating mechanism comprises a rotating disk, the rotating disk has a through hole configured corresponding to
the opening, wherein an inner wall of the through hole extends to form a stopper, wherein the carrier passes through the through
hole and hooks on the stopper, so that the carrier is suspended inside the receiving space without contacting the bottom surface
of the case body.

US Pat. No. 9,862,150

THREE DIMENSIONAL PRINTING APPARATUS AND PRINTING METHOD THEREOF

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, comprising:
a tank configured to contain a liquid-formation material, wherein a bottom of the tank comprises an irradiated area and a
non-irradiated area;

a movable platform disposed movably above the tank and comprising a formation surface that comprises a plurality of surface
portions, wherein the surface portions form the formation surface;

a light source module disposed under the tank and providing light to irradiate the liquid-formation material, wherein an irradiation
range of the light source module only covers the irradiated area and does not cover the non-irradiated area, and the irradiated
area of the bottom of the tank is equivalent to a maximum irradiation range of the light source module; and

a controller coupled to the light source module and the movable platform and is programmed to move the movable platform above
the tank along a vertical axis direction, so as to cure at least one layer object of a three-dimensional object layer by layer
on the movable platform, wherein the at least one layer object consists of a plurality of object sections,

wherein, during a period of forming the at least one layer object, the controller is programmed to 360 degrees rotate the
movable platform around the vertical axis direction to move on a horizontal plane and to sequentially move and place all or
a portion of the surface portions from being above the non-irradiated area to being just above the irradiated area, so as
to cure the object sections of the at least one layer object sequentially above the irradiated area.

US Pat. No. 9,731,452

THREE DIMENSIONAL PRINTER AND METHOD FOR ADJUSTING WORKING COORDINATE OF PLATFORM THEREOF

XYZprinting, Inc., New T...

1. A three-dimensional (3-D) printer, comprising:
a platform comprising a carrying surface and a plurality of adjustment points, the adjustment points located on the carrying
surface;

a printing head disposed above the platform, the printing head configured to move along a datum plane and a normal direction
of the datum plane; and

a control unit coupled to the platform and the printing head, the control unit controlling the printing head to move from
the datum plane toward the platform to be in contact with the adjustment points respectively for obtaining a plane coordinate
of each of the adjustment points corresponding to the datum plane and a shortest distance from each of the adjustment points
to the datum plane, and obtaining a coordinate offset value of the carrying surface corresponding to the datum plane according
to the plane coordinates and the shortest distances, and adjusting a model coordinate of a digital 3-D model information according
to the coordinate offset value, such that the control unit moving the printing head according to the adjusted model coordinate
to print a 3-D object related to the digital 3-D model info illation on the carrying surface.

US Pat. No. 9,550,324

THREE DIMENSIONAL PRINTING APPARATUS, PRINTING CALIBRATION BOARD AND THREE DIMENSIONAL PRINTING CALIBRATION METHOD THEREOF

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus adapted for spraying a printing material, the three-dimensional printing apparatus
comprises:
a nozzle module;
a printing platform, having a carrying surface, wherein a calibration pattern is disposed on the carrying surface, and the
calibration pattern at least comprises a datum path and a first auxiliary path, and wherein a first datum line and a second
datum line are arranged to be spaced with a distance to form the datum path, and a first auxiliary line is arranged to be
spaced with a distance from one side of the datum path to form the first auxiliary path; and

a control unit, coupled to the nozzle module, wherein the control unit controls the nozzle module to spray the printing material
along the datum path, and correspondingly adjusts a printing speed of the nozzle module in response to a width of coverage
of the printing material on the calibration pattern;

wherein in response to the width of coverage, the control unit adjusts at least one of a nozzle moving speed of the nozzle
module and a material supplying speed of the printing material to correspondingly adjust the printing speed of the nozzle
module.

US Pat. No. 10,016,940

THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, comprising:a processing unit, configured to read and process a digital three-dimensional model information;
a base, having a carrying surface;
a three-dimensional display unit, coupled to and controlled by the processing unit and configured to display a digital three-dimensional image related to the digital three-dimensional model information on the carrying surface for previewing, wherein the three-dimensional image is corresponding to a three-dimensional object related to the digital three-dimensional model information; and
a printing head, disposed above the base and coupled to the processing unit, wherein the processing unit controls the printing head to dispense a base material on the carrying surface layer by layer along an image contour of the three-dimensional image so as to form the three-dimensional object according to the digital three-dimensional model information, wherein an object contour of the three-dimensional object and the image contour substantially appear to be layer by layer coincided with each other in a space above the carrying surface at where the three-dimensional object is formed.

US Pat. No. 9,827,718

THREE-DIMENSIONAL PRINTING DEVICE

XYZprinting, Inc., New T...

1. A three-dimensional (3D) printing device, adapted to print a 3D object, the 3D printing device, comprising:
a platform, comprising a carrying surface;
at least one feed tray, disposed above the platform, and filled with at least one printing material;at least one nozzle, disposed above the platform, and configured to spray the at least one printing material on the carrying
surface, such that a plurality of layer objects of the 3D object is forming on the carrying surface layer-by-layer;
a weight sensor, disposed on the platform, and configured to measure an actual weight value of the layer objects formed on
the carrying surface; and

a controller, coupled to the at least one nozzle and the weight sensor, and estimating an ideal weight value corresponding
to a first layer object according to a printing sequence of the first layer object in the layer objects,

wherein the controller receives the actual weight value corresponding to the first layer object from the weight sensor, and
compares the ideal weight value with the actual weight value to determine whether printing abnormity is occurred.

US Pat. No. 9,817,845

THREE-DIMENSIONAL IMAGE FILE SEARCHING METHOD AND THREE-DIMENSIONAL IMAGE FILE SEARCHING SYSTEM

XYZprinting, Inc., New T...

1. A three-dimensional image file searching method, comprising:
storing a plurality of three-dimensional candidate image files in a database;
converting each of the three-dimensional candidate image files to generate a plurality of two-dimensional candidate image
files corresponding to each of the three-dimensional candidate image files;

building up a plurality of second image groups corresponding to each of the three-dimensional candidate image files in the
database, wherein each of the second image groups comprises the two-dimensional candidate image files corresponding to each
of the three-dimensional candidate image files;

receiving a three-dimensional query image file;
converting the three-dimensional query image file to generate a first image group comprising a plurality of two-dimensional
image files;

comparing the two-dimensional image files respectively corresponding to one of the preset view angles in the first image group
with the two-dimensional candidate image files in the second image groups respectively corresponding to the three-dimensional
candidate image files in the database; and

obtaining a search result conforming to the three-dimensional query image file,
wherein the two-dimensional image files at least comprise a first two-dimensional image file and a second two-dimensional
image file, and the step of comparing the two-dimensional image files respectively corresponding to one of the preset view
angles in the first image group with the two-dimensional candidate image files in the second image groups respectively corresponding
to the three-dimensional candidate image files in the database comprises:

sequentially performing a similarity comparison procedure on the first two-dimensional image file with all the two-dimensional
candidate image files of the second image groups to sieve the second image groups and to extract part of the second image
groups; and then sequentially performing the similarity comparison procedure on the second two-dimensional image file with
part of the two-dimensional candidate image files of the extracted part of the second image groups.

US Pat. No. 9,796,170

THREE DIMENSIONAL PRINTING METHOD

XYZprinting, Inc., New T...

1. A three dimensional printing method, configured to form a three dimensional structure on a platform, the three dimensional
printing method comprising:
constructing a model of a casing of the three dimensional structure;
defining a plurality of hollow portions at the internal space of the casing, and using one of the hollow portions as a center
so that the rest of the hollow portions surround the center along a radial direction;

stacking a modelling material layer-by-layer on the platform to form the casing and a plurality of filling members of the
three dimensional structure, wherein the casing seals a portion of the hollow portions, and the filling members are located
in a portion of the internal space of the casing that is not defined with the hollow portions; and

connecting any two adjacent hollow portions,
wherein in the radial direction using the normal direction of the platform as the center, the hollow portions are marked as
multi-layered configuration in sequence {An}, n is a positive integer, the hollow portion being the center is (A1), and the three dimensional printing method further comprises:

forming at least one first opening in the casing, the first opening connecting between at least one of the hollow portions
and an external environment; and

determining relative heights from the hollow portions of two adjacent layers to the platform, and forming at least one second
opening on the filling member between the hollow portions of the two adjacent layers, so that the second opening connects
between the hollow portions of the two adjacent layers.

US Pat. No. 9,855,706

THREE DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A 3-D printing apparatus, adapted for printing a 3-D object according to a digital 3-D model, comprising:
a base, comprising a printing bed, a first supplying platform, a second supplying platform arranged along a printing path,
the printing bed disposed between the first supplying platform and the second supplying platform, the first supplying platform
and the second supplying platform carry building powder to supply the building powder to the printing bed; and

a printing head module, disposed above the base and comprising at least one printing head, two linking bars, a first paving
roller and a second paving roller, the first paving roller and the second paving roller disposed in a movable manner at two
opposite sides of the printing head for rolling along the forward direction and the backward direction to transfer the building
powder of the first supplying platform and the second supplying platform onto the printing bed alternately, the printing head
configured to move along with the first paving roller and the second paving roller and dispense bonding material on the printing
bed by layers according to the digital 3-D model, the two linking bars disposed at two opposite ends of the first paving roller
and the second paving roller respectively, each of the linking bars including a plurality of guiding grooves, the first paving
roller and the second paving roller disposed in the guiding grooves respectively, and the first paving roller and the second
paving roller being lifted or descended through guidance of the guiding grooves, so as to bond the building powder transferred
onto the printing bed by layers, to sequentially form a plurality of bonded powder layers stacked on top of each other to
form the 3-D object.

US Pat. No. 9,656,425

THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional printing apparatus, comprising:
a housing;
a platform, disposed in the housing, and the platform having a printing region;
a frame, disposed on an inner side of the housing, at least one cylinder being disposed on the frame, the cylinder having
a body and a pair of wings extended from the body, the pair of wings being located at two opposite sides of the body and faced
away from each other, the cylinder being carried on the frame by the pair of wings, and a first gap provided below each of
the wings and between the body and the frame; and

an operating module, disposed in the housing and moving relative to the printing region of the platform and the frame, the
operating module comprising a pair of catching arms, and after the pair of catching arms being inserted into the pair of first
gaps, the operating module moving in a first direction to carry the cylinder on the pair of catching arms, and then moving
in a second direction to move out the cylinder from the frame, wherein the operating module, by moving relative to the printing
region of the plate form, is adapted to extrude a building material filled in the body of the cylinder onto the printing region
of the platform to be stacked layer by layer so as to build a three-dimensional object.

US Pat. No. 9,849,662

LEAD SCREW GUIDE ASSEMBLY AND THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A lead screw guide assembly adaptable for a three-dimensional (3D) printing apparatus, comprising:
a base;
a first guiding member disposed on the base and having a first channel extending along an axis;
a second guiding member movably coupled to the first guiding member along the axis; and
a lead screw guide, being a single-piece member, movably disposed on the base along the axis and located in the first channel,
the lead screw guide coupled to the second guiding member, so as to drive the second guiding member to move along the axis,
and the driving of the second guide member simultaneously causing movement of the second guide member such that the second
guiding member moves along with the lead screw guide to hide in the first channel or protrude from the first channel simultaneously
wherein the lead screw guide has a pressing end and a guiding end opposite to each other, the pressing end is located at one
side of the base relative to the second guiding member, and the guiding end is coupled to the second guiding member, when
the lead screw guide moves along the axis and causes the pressing end to move away from the base, the lead screw guide drives
the second guiding member via the guiding end to move along the axis and hide in the first channel, when the lead screw guide
moves along the axis and causes the pressing end to move closer to the base, the lead screw guide drives the second guiding
member via the guiding end to move along the axis and protrude from the first channel.

US Pat. No. 9,796,130

THREE-DIMENSIONAL PRINTER DEVICE

XYZPRINTING, INC., New T...

1. A three-dimensional printer device, comprising:
a supplying apparatus;
a formation table including a horizontal surface, one side of the horizontal surface being disposed adjacent to the supplying
apparatus;

a recycling trough, the recycling trough including an opening, the opening being disposed at the other side of the horizontal
surface opposite to the supplying apparatus;

a dust-escape prevention cover disposed on the recycling trough and covering the opening to close the opening;
a distribution apparatus, the distribution apparatus including a roller, the roller being movable across the horizontal surface
between the supplying apparatus and the recycling trough;

a powder collection cover covering the roller; and
a control unit electrically connected to the distribution apparatus and controlling the roller to move between the supplying
apparatus and the recycling trough, wherein when the roller moves across the horizontal surface, the powder collection cover
covers at least one portion of the horizontal surface,

wherein when the powder collection cover moves close to the recycling trough, the powder collection cover moves to push the
dust-escape prevention cover away from the opening; wherein when the powder collection cover moves away from the recycling
trough, the powder collection cover and the dust-escape prevention cover are separated from each other.

US Pat. No. 9,709,207

CHASSIS ASSEMBLY STRUCTURE

XYZPRINTING, INC., New T...

1. A chassis assembly structure, comprising:
a surrounding plate assembly, formed by assembling and coupling a plurality of first boards and a plurality of second boards
with an interval apart from one another;

a plurality of first abutting elements, each including a slider and a first stop plate extended from one of the first board
and the second board, and each first stop plate having a first locking hole formed thereon;

a plurality of second abutting elements, each including a first convex plate and a second convex plate extended from the other
one of the first board and the second board, and each first convex plate having a first positioning groove formed at an end
and a second stop plate extended from the other end, and each second stop plate having a second locking hole formed thereon,
and each second convex plate having a second positioning groove, and both ends of each slider being slidably coupled and limited
in each first positioning groove and each second positioning groove, and each first stop plate being stopped and limited by
each second stop plate;

a third board, covering a side of the surrounding plate assembly, and having a plurality of third locking holes formed on
the third board; and

a plurality of locking elements, each passing through and being locked to each first locking hole, each second locking hole,
and each third locking hole.

US Pat. No. 9,691,302

RECORDING APPARATUS FOR PACKAGE UNPACKING RECORDATION

XYZPRINTING, INC., New T...

1. A recording apparatus and system, comprising:
a plurality of supporting materials arbitrarily arranged in a device to support and to fix components in the device, and also
arbitrarily arranged between the device and an external package to fix the device in the external package during a packing
procedure of the device;

a plurality of recording labels, an amount of the plurality of recording labels being equal to an amount of the plurality
of supporting materials, and each of the recording labels being pasted on each of the plurality of supporting materials respectively;

an unpacking recordation form comprising a pasted table, and the pasted table including a plurality of columns;
a starting-label and an ending-label pasted in different columns of the pasted table, wherein the pasted table retains a plurality
of columns, and an amount of the plurality of retained columns is equal to the amount of the plurality of labels and the amount
of the plurality of supporting materials;

wherein an unpacking progress is recorded by removing the labels from the supporting materials and pasting the labels to the
unpacking recordation form during an unpacking procedure.

US Pat. No. 9,630,362

PRINTING HEAD MODULE

XYZprinting, Inc., New T...

1. A printing head module, adapted to dispense a first modeling material and a second modeling material layer by layer on
a base to form a three-dimensional (3-D) object, the printing head module comprising:
a driving gear;
a first unidirectional gear, engaged with a first side of the driving gear;
a first idler gear, engaged with the first unidirectional gear;
a second unidirectional gear, engaged with a second side of the driving gear opposite to the first side;
a second idler gear, engaged with the second unidirectional gear; and
a bi-directional motor, connected to the driving gear to selectively drive the driving gear to rotate along a first direction
and a second direction to drive the first unidirectional gear and the second unidirectional gear to rotate simultaneously,
wherein when the driving gear is driven to rotate along the first direction, only the second unidirectional gear drives the
second idler gear to rotate to feed the second modeling material, when the driving gear is driven to rotate along the second
direction, only the first idler gear is driven to rotate to feed the first modeling material.

US Pat. No. 10,071,524

PRINTING METHOD FOR PRINTING MULTI-MATERIAL 3D MODEL

XYZPRINTING, INC., New T...

1. A printing method for printing a multi-material 3D model, comprising following steps:a) performing a slicing process on a multi-material 3D object to generate a plurality of multi-material object slices corresponding to a main body structure of a multi-material 3D model and a plurality of auxiliary object slices corresponding to an auxiliary structure of the multi-material 3D model;
b) computing at least one material-switching point of the multi-material object slices and at least one retrieving point of the auxiliary object slices during the slicing process;
c) printing the multi-material object slices with one of a plurality of materials;
d) when printing to the material-switching point of the multi-material object slices, switching to another different material, and printing the auxiliary object slices with a remaining material of the material used before the material switching;
e) when printing to the retrieving point of the auxiliary object slices, continuing to print the multi-material object slices from the material-switching point of the multi-material object slices with the material used after the material switching; and
f) repeating the step d and the step e until completing the multi-material 3D model printing,
wherein the step b comprises following steps:
b1) computing the material-switching points of the multi-material object slices, wherein the material-switching points corresponds to the junctions of a plurality of portions of the multi-material object slices, the adjacent portions respectively correspond to the materials of different colors or the materials of different composing materials;
b2) computing the retrieving points of the auxiliary object slices according to an estimated remaining material quantity, wherein the retrieving points respectively corresponds to the material-switching points; and
b3) computing a printing path going through the material-switching points and the retrieving points.

US Pat. No. 10,029,423

PRINTING CORRECTION METHOD AND THREE-DIMENSIONAL PRINTING DEVICE

XYZprinting, Inc., New T...

1. A printing correction method, adapted to a three-dimensional (3D) printing device, the 3D printing device having a printing platform, and the printing correction method comprising:a detection unit, disposed at one side of the printing platform, providing an electric field to the printing platform;
extending a detection probe towards a position of the printing platform along a first axial direction to enter the electric field, wherein the position of the printing platform is defined as an initial position, wherein the electric field is twisted or deformed due to a conductivity of the detection probe;
moving the detection probe from the initial position along a moving path on the printing platform;
moving the detection probe from the initial position along a second axial direction on the printing platform;
moving the detection probe from the initial position along a third axial direction on the printing platform;
detecting an electric field variation to determine a tilt variation of the printing platform relative to the first axial direction when the detection probe is moved along the moving path; and
determining whether to correct the printing platform according to the tilt variation of the printing platform,
wherein when the detection probe is moved along the second axial direction, a first distance value between the printing platform and the detection probe is recorded each time when the detection probe is moved by a predetermined interval, and when the detection probe is moved along the third axial direction, a second distance value between the printing platform and the detection probe is recorded each time when the detection probe is moved by the predetermined interval.

US Pat. No. 9,981,427

SENSING DEVICE FOR THREE-DIMENSIONAL PRINTING OBJECT

XYZprinting, Inc., New T...

1. A sensing device for a three dimensional (3D) object, comprising:a roller, configured to perform a planarization process of the 3D printing object;
a ring shape equipment, having the same axial as the roller and rotating with the roller;
a sensor, configured to detect a rotational speed of the ring shape equipment; and
a processor, coupled to the sensor,
wherein the processor determines whether the roller is in contact with the 3D printing object according to the rotational speed of the ring shape equipment.

US Pat. No. 9,895,872

THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional (3-D) printing apparatus, comprising:
a base, comprising:
an adjustment platform, comprising an adjustment side, a top surface and a bottom surface opposite to the top surface,
a first adjustment mechanism, comprising:
a first adjustment shaft, penetrating the adjustment platform and adapted to move along a normal direction of the top surface;
a first gear, disposed under the adjustment platform and engaged with the first adjustment shaft to drive the first adjustment
shaft to move along the normal direction;

a second gear, disposed at the bottom surface and engaged with the first gear to drive the first gear to rotate; and
a linkage rod, connected to the second gear to drive the second gear to rotate, the linkage rod parallel to the bottom surface
and extended to the adjustment side;

a plurality of second adjustment mechanisms, arranged along the adjustment side and adapted to move along the normal direction,
the first adjustment shaft being non-colinear with the second adjustment mechanisms; and

a printing bed, disposed above the adjustment platform and engaged with the first adjustment shaft and the second adjustment
mechanisms to move along the normal direction with the first adjustment shaft and the second adjustment mechanisms; and

a printing head, disposed above the base for printing a 3-D object on the printing bed.

US Pat. No. 9,662,835

PRINTING HEAD MODULE AND THREE DIMENSIONAL PRINTING APPARATUS USING THE SAME

XYZprinting, Inc., New T...

1. A three dimensional printing apparatus, comprising:
a base; and
a printing head module disposed above the base and comprising:
a printing head comprising a plurality of assembling pieces that are assembled with each other to form the printing head and
a nozzle of the printing head assembled by the plurality of assembling pieces, wherein each of the plurality of assembling
pieces comprises at least one material-supply groove and a plurality of contact surfaces configured to be assembled with the
contact surfaces of the adjacent assembling piece, the contact surfaces of each of the assembling pieces are not coplanar
with one another, and the material-supply grooves of any two adjacent assembling pieces are located corresponding to each
other and assembled to form at least one material-supply channel; and

at least one material spool connected to the material-supply channel to provide at least one fluid material to the at least
one material-supply channel respectively and the fluid material is transmitted via the material-supply channel to be dispensed
on the base by the nozzle.

US Pat. No. 9,855,708

THREE-DIMENSIONAL PRINTING DEVICE AND METHOD FOR STORING PRINTING DATA THEREOF

XYZprinting, Inc., New T...

1. A three-dimensional printing device, comprising:
a processing unit, formatting a sliced file into a printing head signal file, wherein the sliced file and the printing head
signal file correspond to a three-dimensional structure, the sliced file comprises layer data corresponding to a plurality
of layers of the three-dimensional structure and the printing head signal file comprises layer printing data corresponding
to the layers of the three-dimensional structure; and

a mixing unit, coupled with the processing unit, combining part of the layer data in the sliced file and part of the layer
printing data in the printing head signal file according to a storage ratio so as to derive a hybrid file, and storing the
hybrid file in a storing unit of the three-dimensional printing device, wherein the layer data and the layer printing data
in the hybrid file correspond to different layers of the three dimensional structure.

US Pat. No. 9,840,072

METHOD FOR ARRANGING JOINTS TO 3D MODEL, ARRANGING APPARATUS FOR THE METHOD, AND APPLICATION PROGRAM FOR USING THE SAME

XYZPRINTING, INC., New T...

1. A method for arranging joints to 3D model, comprising:
a) executing a slice process to a 3D model recorded in a 3D file for obtaining a plurality of cross sections;
b) sequentially determining if differences between each two cross-section areas of two adjoined cross sections is larger than
a threshold,

c) if the difference between the two cross-section areas of two adjoined cross sections is larger than the threshold, obtaining
a corresponding joint data, and arranging the joint data into a position between the two adjoined cross sections; and

outputting the 3D model to a 3D printer, so as to produce a real 3D model.

US Pat. No. 9,839,234

THREE-DIMENSIONAL PRINTING DEVICE

XYZprinting, Inc., New T...

1. A three-dimensional printing device, adapted to print a second object on a first object, the three-dimensional printing
device comprising:
a body, having a plurality of brackets adapted to move along a height direction of the first object;
a three-dimensional printing unit, movably disposed on the body;
a storage unit, storing initial coordinates, wherein the initial coordinates correspond to an initial printing position of
the three-dimensional printing unit;

a carrier plate, detachably disposed at a bottom of the body, and having an ocular mark, wherein the ocular mark indicates
a corresponding position of the initial coordinates, and the initial coordinates are aligned with and correspond to a geometric
center point of the ocular mark;

a sensor unit, disposed on the brackets; and
a control unit, electrically connected to the three-dimensional printing unit and the body, the storage unit and the sensor
unit, wherein the sensor unit is controlled to move synchronously with the brackets and the three-dimensional printing unit
in the height direction of the first object to sense a height of the first object relative to the carrier plate, and the control
unit drives the three-dimensional printing unit to print the second object on the first object according to the height and
the initial coordinates.

US Pat. No. 9,707,720

METHOD FOR CONTROLLING THREE-DIMENSIONAL PRINTING APPARATUS AND THREE-DIMENSIONAL PRINTING SYSTEM

XYZprinting, Inc., New T...

1. A method for controlling a three-dimensional printing apparatus, applicable for controlling a tank of the three-dimensional
printing apparatus, wherein the three-dimensional printing apparatus is adapted for printing a three-dimensional object relating
to a three-dimensional model, the method comprising:
obtaining a plurality of layer objects of the three-dimensional object according to the three-dimensional model, wherein the
layer objects comprise a first layer object;

searching a reference layer object from the object layers, wherein the reference layer object is stacked above the first layer
object along an z-axis;

comparing the cross-section information of the first layer object with reference cross-sectional information of the reference
layer object to obtain a structural friability level of the first layer object,

determining a swing velocity of the tank according to the structural friability level;
controlling a light source to project light on liquid curing material in the tank, such that the first layer object is cured
on a bottom of the tank; and

controlling the tank to swing according to the swing velocity corresponding to the first layer object, such that the cured
first layer object is separated from the bottom of the tank.

US Pat. No. 10,040,275

PRINTING METHOD FOR 3D PRINTER

XYZPRINTING, INC., New T...

1. A printing method for a 3D printer, the 3D printer at least having a nozzle array and a forming platform, and the printing method comprising:a) dividing a 3D model vertically into a plurality of area objects, wherein each of the plurality of area objects is corresponded to an area of the forming platform and has multiple layers;
b) determining a specific area object having a lowest height among the plurality of area objects which are not stacked;
c) controlling the nozzle array to move and fix at a position upon the area corresponding to the specific area object;
d) after the step c, controlling the nozzle array to jet ink for completely stacking all layers of the specific area object at the area; and
e) re-executing the step b to the step d before the plurality of area objects are stacked by executing a stacking action,
wherein a width of each of the plurality of area objects is equal to a width of the nozzle array.

US Pat. No. 9,854,829

THREE-DIMENSIONAL PRINTING METHOD

XYZprinting, Inc., New T...

1. A three-dimensional printing method for printing a second object on a first object with a three-dimensional printing device,
wherein the three-dimensional printing device comprises a body, a three-dimensional printing unit, a sensor unit, a storage
unit, a control unit and a carrier plate, and the three-dimensional printing method comprises:
placing the first object on the carrier plate, wherein the carrier plate is detachably disposed at a bottom of the body and
has an ocular mark, and the body has a plurality of brackets adapted to move along a height direction of the first object;

aligning the first object to the ocular mark on the carrier plate;
storing initial coordinates corresponding to an initial printing position of the three-dimensional printing unit by the storage
unit, wherein the storage unit and the three-dimensional printing unit are electrically connected to the control unit, and
the three-dimensional printing unit is movably disposed on the body, wherein when the carrier plate is detachably disposed
at the bottom of the body, the initial coordinates are aligned with and correspond to a geometric center point of the ocular
mark;

sensing a height of the first object relative to the carrier plate by synchronously moving the sensor unit with the brackets
and the three-dimensional printing unit in the height direction of the first object, wherein the sensor unit is electrically
connected to the control unit and disposed on the brackets; and

driving the three-dimensional printing unit to print the second object on the first object according to the height and the
initial coordinates by the control unit.

US Pat. No. 9,950,516

METHOD OF SLICING AND PRINTING MULTI-COLOUR 3D OBJECT

XYZPRINTING, INC., New T...

1. A method of slicing and printing multi-colour 3D objects, comprising:a) loading coordinate information of a multi-colour 3D object (22) and executing a path-slicing process to the coordinate information for generating a plurality of path data of a plurality of printing slices (S1-S3);
b) loading a colour information of the multi-colour 3D object (22) and generating a plurality of continuous-tone images respectively corresponding to the plurality of the printing slices (S1-S3) according to the colour information;
c) calculating a plurality of dithering masks respectively corresponding to the plurality of the printing slices (S1-S3) according to a plurality of displacement values and an initial mask;
d) generating a plurality of halftone images respectively corresponding to the plurality of the printing slices (S1-S3) according to each dithering mask of a same layer and each continuous tone image of a same layer; and
e) controlling a modeling nozzle (100) of a multi-colour 3D printer (1) to print the plurality of the printing slices (S1-S3) according to the plurality of the path data layer by layer and controlling a coloring nozzle (102) of the multi-colour 3D printer (1) to color each printed printing slice (S1-S3) according to the corresponded halftone image.

US Pat. No. 9,862,139

THREE DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three dimensional printing apparatus, comprising:
a tank, filled with a liquid forming material, wherein the tank has at least two forming areas in step manner;
a platform, disposed in the tank and immersed in the liquid forming material, wherein the tank and the platform are adapted
to generate a relative planar motion, so that the platform moves from a forming area in a higher step towards another forming
area in a lower step; and

a curing tool, disposed adjacent to the tank, wherein when the platform moves to each of the forming areas, the curing tool
cures the liquid forming material between the platform and the corresponding forming area to form a solidification layer on
the platform, and as the platforms moves by at least two forming areas to form at least two solidification layers, the solidification
layers are stacked to form a three dimensional object.

US Pat. No. 9,994,418

3D PRINTING FILAMENT FEEDING APPARATUS

XYZPRINTING, INC., New T...

1. A 3D printing filament feeding apparatus, used for feeding a filament (10), comprising:a primary driving wheel (100) connected to a power source (200) and driven by the power source (200) to rotate;
a secondary driven wheel (300) arranged adjacent to and parallel with the primary driving wheel (100);
a measurement scale rotating disk (400), the measurement scale rotating disk (400) having a plurality of scale structures (410) formed thereon, the measurement scale rotating disk (400) moving and rotating together with the secondary driven wheel (300);
an optical sensor (500) configured to detect the plurality of scale structures (410) of the measurement scale rotating disk (400); and
a cleaning assembly (600) configured to engage with the plurality of scale structures (410) on the measurement scale rotating disk (400); wherein the primary driving wheel (100) engages with and feeds the filament (10), the secondary driven wheel (400) engages with the filament (10) and rotates along a driven direction (D) in conjunction with a movement of the filament (10) in order to allow each one of the scale structures (410) on the measurement scale rotating disk (400) to pass through the cleaning assembly (600) engaged therewith along the driven direction (D), followed by using the optical sensor (500) for detection thereof.

US Pat. No. 9,969,130

NOZZLE CLEANING MODULE

XYZPRINTING, INC., New T...

1. A nozzle cleaning module, comprising:a base housing;
a main carrier, the main carrier being accommodated in the base housing, a wiper protruding upwardly being arranged on the main carrier, the main carrier including a sub-slope;
a sub-carrier, the sub-carrier being accommodated in the main carrier, a cover protruding upwardly being arranged on the sub-carrier, at least a portion of the sub-carrier being in contact with the sub-slope;
a driving assembly, the driving assembly being connected to the main carrier and obliquely lifting or lowering the main carrier with respect to the base housing to lift or lower the wiper, the movement of the main carrier moves the sub-carrier at the same time; and
an interference structure arranged corresponding to the sub-carrier, wherein when the interference structure is in contact with the sub-carrier while the sub-carrier is moving, the interference structure pushes the sub-carrier to move along the sub-slope with respect to the main carrier, and the cover thereby ascends.

US Pat. No. 10,022,971

AUTOMATIC INKJET HEAD CLEANING METHOD FOR POWDER BED AND INKJET 3D PRINTER

XYZPRINTING, INC., New T...

1. An automatic inkjet head cleaning method applicable to a powder bed and inkjet 3D printer comprising a plurality of inkjet heads and a powder-laying module, the automatic inkjet head cleaning method comprising following steps:a) controlling the plurality of the inkjet heads and the powder-laying module to print a 3D physical model according to 3D printing data at the powder bed and inkjet 3D printer;
b) controlling all of the inkjet heads to print on a building recess of the powder bed and inkjet 3D printer during printing;
c) taking a photo of the building recess via an image capture module to obtain an inkjet heads test image;
d) calculating a no-printing inkjet head quantity according to the inkjet head test image;
e) calculating a powder particle diameter ratio as a status value according to the no-printing inkjet head quantity, a printing resolution and a powder diameter;
f) executing a first cleaning procedure for cleaning all or parts of the inkjet heads when the status value satisfies a first cleaning configuration value; and
g) executing a second cleaning procedure for cleaning all or parts of the inkjet heads when the status value satisfies a second cleaning configuration value, wherein a first execute time period used in executing the first cleaning procedure is longer than a second execute time period used in executing the second cleaning procedure.

US Pat. No. 9,919,548

METHOD OF SLICING AND PRINTING MULTI-COLOUR 3D OBJECT

XYZPRINTING, INC., New T...

1. A method of slicing and printing multi-colour 3D object, the method comprising:
a) loading a 3D data of a multi-colour 3D object and reading coordinate information and a colour information of the multi-colour
3D object;

b) executing a route slicing process according to the coordinate information to generate a plurality of object route data
of a plurality of object printing slices, wherein each of the object route data records a layer number;

c) executing an image slicing process according to the colour information to generate a plurality of object images of the
plurality of object printing slices, wherein each of the object images records the layer number;

d) generating a plurality of pollution-blocking route data of a plurality of pollution-blocking printing slices according
to the plurality of object route data, and setting each of the pollution-blocking route data to make each of the pollution-blocking
printing slices overlap an edge of the object printing slice in a same layer, wherein each of the pollution-blocking route
data records the layer number; and

e) controlling a modeling nozzle of a multi-colour 3D printer to print the plurality of object printing slices layer by layer
according to the object route data, to print the pollution-blocking printing slices partially overlapping on the edge of the
object printing slices printed according to the pollution-blocking route data in the same layer when the object printing slices
being printed completely, and controlling a coloring nozzle of the multi-colour 3D printer to color the object printing slices
printed according to the object image in the same layer when the pollution-blocking printing slices being printed completely.

US Pat. No. 9,914,291

FORMING DEVICE FOR THREE-DIMENSIONAL PRINTING MACHINE, AND A THREE-DIMENSIONAL PRINTING MACHINE

XYZPRINTING, INC., New T...

1. A forming device adapted for use in a three-dimensional printing machine, the three-dimensional printing machine including
a height adjusting mechanism, said forming device to be connected to the height adjusting mechanism and driven by the height
adjusting mechanism to move vertically, said forming device comprising:
an universal joint;
a forming platform;
a coupling shaft having opposite ends that are connected respectively to said universal joint and said forming platform; and
a clamping mechanism including a clamping arm that is adapted to interconnect the height adjusting mechanism and said universal
joint, and that has first and second arm portions movable relative to each other between a locking state to tightly clamp
said universal joint therebetween, and a releasing state to release said universal joint;

wherein said clamping arm includes
a first arm member having said first arm portion, said first arm member further having a first magnetic portion that is spaced
apart from said first arm portion and that is adapted to be connected to the height adjusting mechanism, and a first pivot
portion that interconnects said first arm portion and said first magnetic portion, and

a second arm member having said second arm portion, said second arm member further having a second magnetic portion that is
spaced apart from said second arm portion and that is adapted to be connected to the height adjusting mechanism, and a second
pivot portion that interconnects said second arm portion and said second magnetic portion, and that is connected pivotally
to said first pivot portion of said first arm member;

wherein said clamping mechanism further includes an electromagnetic unit disposed between said first magnetic portion of said
first arm member and said second magnetic portion of said second arm member, and a resilient member having opposite ends connected
respectively to said first magnetic portion of said first arm member and said second magnetic portion of said second arm member;

wherein said first and second magnetic portions are attracted by said electromagnetic unit and drawn to move toward each other
when an electric current passes through said electromagnetic unit, thereby compressing said resilient member and moving said
first and second arm portions to the releasing state; and

wherein said resilient member restores to move said first and second magnetic portions away from each other when no electric
current passes through said electromagnetic unit, thereby moving said first and second arm portions to the locking state.

US Pat. No. 10,035,215

WIRE FUSING APPARATUS

XYZprinting, Inc., New T...

1. A wire fusing apparatus, comprising:a first body, having a first surface;
a second body, pivoted to one side of the first body to rotate relatively to the first body to be in an away state or a closed state with the first body, the second body having a second surface, wherein the first surface and the second surface each has a heat-conducting region, and when the first body and the second body are in the closed state, the first surface and the second surface are closed and jointly define a containing groove passing through the heat-conducting region of the first surface and the heat-conducting region of the second surface and for containing two wires butt-jointed with each other, wherein the heat-conducting region of the first surface and the heat-conducting region of the second surface contact each other when the first body and the second body are in the closed state;
a heating unit, disposed on the first body or the second body, and contacting one of the heat-conducting region of the first surface and the heat-conducting region of the second surface for heating a butt-jointing point of the two wires to foul? a fused wire by fusing the two wires; and
a cutting member disposed on the second surface, wherein each of the two wires is adapted to be disposed on the first surface, and when the first body and the second body rotate from the away state to the closed state, the cutting member cuts each of the two wires to form a cutting surface on each of the two wires, wherein the cutting surfaces are adapted to contact each other to form the butt-jointing point.

US Pat. No. 9,987,802

METHOD FOR ADJUSTING PRINTING HEAD USAGE AMOUNT OF 3D PRINTER AND CONTROL DEVICE

XYZprinting, Inc., New T...

1. A method for adjusting a printing head usage amount of a three-dimensional (3D) printer, adapted for the controlling of a control device of the 3D printer, the method for adjusting the printing head usage amount of the 3D printer comprising:dividing at least one printing head of the 3D printer into a plurality of sections;
obtaining an accumulated printing point number of each of the sections;
selecting at least one specific section used for printing a 3D object from the sections according to the accumulated printing point number of each of the sections; and
printing the 3D object by using the at least one specific section based on the selecting step,
wherein the step of selecting the at least one specific section used for printing the 3D object from the sections according to the accumulated printing point number of each of the sections comprises:
sorting the sections in an ascending order according to the accumulated printing point number of each of the sections, and selecting a predetermined number of front sections of the sorted sections to serve as the at least one specific section, or sorting the sections in a descending order according to the accumulated printing point number of each of the sections, and selecting the predetermined number of back sections of the sorted sections to serve as the at least one specific section, or selecting a predetermined number of sections which the accumulated printing point numbers thereof are smaller than a predetermined threshold to serve as the at least one specific section.

US Pat. No. 10,035,307

METHOD AND APPARATUS OF THREE-DIMENSIONAL PRINTING AND ELECTRONIC APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional printing method, adapted for printing a three-dimensional object, the three-dimensional printing method comprising:obtaining a plurality of layer objects of a three-dimensional model by performing a slicing process on the three-dimensional model and generating a plurality of two-dimensional images, corresponding to a slice plane, of each of the layer objects, wherein the layer objects comprise a first layer object and a second layer object adjacent to each other;
stacking the first layer object and the second layer object to generate thickness stack information of a stack object when a comparison relationship between the two-dimensional image of the first layer object and the two-dimensional image of the second layer object matches a stack condition; and
initiating a printing mechanism according to the thickness stack information to print the three-dimensional object associated with the three-dimensional model,
wherein the step of stacking the first layer object and the second layer object to generate the thickness stack information of the stack object when the comparison relationship between the two-dimensional image of the first layer object and the two-dimensional image of the second layer object matches the stack condition comprises:
after obtaining the first layer object and the second layer object by performing the slicing process, determining whether a coverage of the two-dimensional image of the second layer object is larger than or equal to a coverage of the two-dimensional image of the first layer object; and
after obtaining the first layer object and the second layer object by performing the slicing process, stacking the first layer object and the second layer object to generate at least one combined thickness and at least one combined control code file of the stack object only when the coverage of the two-dimensional image of the second layer object is larger than or equal to the coverage of the two-dimensional image of the first layer object,
wherein the step of initiating the printing mechanism according to the thickness stack information to print the three-dimensional object associated with the three-dimensional model comprises:
adjusting irradiation intensity of a light source into a first value according to the at least one combined thickness; and
adjusting the irradiation intensity of the light source into a second value according to the at least one combined thickness and generating the stack object to have multiple thicknesses on a movable platform while moving the movable platform only once.

US Pat. No. 9,993,926

JOINT STRUCTURE

XYZPRINTING, INC., New T...

1. A joint structure, comprising:a joint hollow body, having a first plate and a second plate arranged opposite to each other, and the second plate having a penetrating hole and defining an axial direction with respect to the penetrating hole, wherein an external side plate is extended in the axial direction from an external periphery of the first plate and connected to an external periphery of the second plate, the joint hollow body further comprising a first and second casing engaged with each other, the first casing including the first plate and a first external side plate extending from the external periphery of the first plate, and the second casing includes the second plate and a second external side plate extended from the external periphery of the second plate, wherein a plurality of fixing columns jointly extend from the first plate and the first external side plate, each of the fixing columns having a first fixing hole; and
a rotating member fixed within the joint hollow body, the rotating member having a plurality of second fixing holes configured to be aligned with the first fixing holes.

US Pat. No. 10,150,315

THREE-DIMENSIONAL PRINTER HAVING MANUAL FLAT SCANNER

XYZPRINTING, INC., New T...

1. A 3D printer having manual flat scanner, comprising:a device body (100) on which a printing plane (101) is defined; and
a scanning module (200) arranged on the device body (100), wherein the scanning module (200) is electrically connected with a control module (300) which is electrically connected with a nozzle assembly (310) and a pen assembly (320),
wherein a 3D data is loaded in the control module (300) and a predetermined painting position is defined in the 3D data, wherein the control module (300) receives a scan image from the scanning module (200) and controls the nozzle assembly (310) to print a model (20) according to the 3D data and meanwhile the control module (300) controls the pen assembly (320) to paint on the model (20) according to the predetermined painting position and the scan image during the printing of the model (20);
wherein the scanning module (200) comprises a module body (210), a closure mechanism (220), and a flat scanner (230), wherein the module body (210) has a feeding channel (201) disposed corresponding to a side edge of the printing plane (101), wherein the closure mechanism (220) closes the feeding channel (201) selectively, wherein the flat scanner (230) is disposed in the feeding channel (201) correspondingly;
wherein the module body (210) comprises a base (211) and a movable cover (212) stacked above the base (211), wherein the closure mechanism (220) is connected between the base (211) and the movable cover (212);
wherein the closure mechanism (220) is a rebound device.

US Pat. No. 10,105,896

NOZZLE HEAD CLEANING MODULE

XYZPRINTING, INC., New T...

1. A nozzle head cleaning module, comprising:a base housing including a main slope, a set of one or more horizontal planes being formed on a portion of the main slope;
a main carrier received in the base housing, a scraper protruding upwardly from the main carrier, a set of one or more main slide pins in contact with the main slope protruding from the main carrier, the main carrier including a sub-slope, the main carrier being lifted or lowered obliquely along the main slope with respect to the base housing so as to lift or lower the scraper, wherein when disposed on the main slope, the set of one or more main slide pins is in contact with the main slope along a longitudinal direction of the main slope by multiple contact points; and when disposed on the set of one or more horizontal planes, the set of one or more main slide pins is in contact with the set of one or more horizontal planes by multiple contact points;
a sub-carrier, the sub-carrier being accommodated in the main carrier, the movement of the main carrier moving the sub-carrier at the same time, a cover protruding upwardly being arranged on the sub-carrier, at least a portion of the sub-carrier being in contact with the sub-slope; and
an interference structure arranged corresponding to the sub-carrier, wherein when the interference structure is in contact with the sub-carrier while the sub-carrier is moving, the interference structure pushes the sub-carrier to move along the sub-slope with respect to the main carrier, and the cover thereby ascends; and when the set of one or more main slide pins is moved onto the set of one or more horizontal planes, the set of one or more horizontal planes support the set of one or more main slide pins to maintain the cover in a raised position.

US Pat. No. 10,124,599

PRINT HEAD WITH QUICK RELEASE MECHANISM

XYZPRINTING, INC., New T...

1. A print head with quick release mechanism, including:a heating block;
a nozzle tube inserted in the heating block; one end of the nozzle tube having a nozzle and the other end extending to form an extension tube exposed to the heating block;
a connecting tube connected with the extension tube, wherein an inner peripheral surface of the heating block has first internal threads, and an outer peripheral surface of the nozzle tube has first external threads; the first internal threads and the first external threads are screwed together; and
a heat sink set, wherein the heat sink set sleeves on the connecting tube; an outer periphery of the connecting tube has second outer threads, and an inner periphery of the heat sink set has second internal threads; the second outer threads and the second internal threads are screwed together, and a helical direction of the first external threads is opposite to a helical direction of the second external threads.

US Pat. No. 10,112,346

PRINTING METHOD FOR LOW MELTING-POINT MATERIAL OF 3D PRINTER

XYZPRINTING, INC., New T...

1. A printing method for low melting-point material, used by a 3D printer having a nozzle and a printing platform, the printing method comprising:a) controlling the nozzle to move to a first printing position upon the printing platform corresponding to an internal-contour of a printing-layer;
b) after the step a, controlling the nozzle to start printing the internal-contour;
c) controlling the nozzle to stop printing after the internal-contour is printed completely, and controlling the stopped nozzle to move to a second printing position upon the printing platform corresponding to an exterior-contour of the printing-layer; and
d) controlling the stopped nozzle to start printing the exterior-contour after the step c;
e) controlling the nozzle to stop printing after the exterior-contour is printed completely;
f) controlling the stopped nozzle to move inwardly from the exterior-contour toward a space not upon the printing-layer and away from the exterior-contour by a threshold range after the step e; and
g) changing a related position between the nozzle and the printing platform upon a Z-axis.

US Pat. No. 10,252,467

CONTROL METHOD OF PRINTING TEMPERATURE AND DEVICE THEREOF

XYZprinting, Inc., New T...

1. A control method of printing temperature, to control a printing temperature of a discharge nozzle of a 3D printer to print a 3D object, and comprising:providing a temperature rule table in a non-transitory storage medium, wherein the temperature rule table comprises a plurality of combinations among a plurality of printing speed ranges and a plurality of discharge speed ranges as the plurality of combinations are all possible combinations between each of the plurality of discharge speed ranges and each of the plurality of printing speed ranges, and each of the possible combinations corresponds to a temperature information;
receiving, by processor, a command inputted by the 3D printer comprising a printing speed information and a discharge speed information, wherein the printing speed information and the discharge speed information fall within one of the plurality of printing speed ranges and one of the plurality of discharge speed ranges, respectively;
obtaining the temperature information from the temperature rule table, by the processor, according to the printing speed ranges corresponding to the printing speed information and the discharge speed ranges corresponding to the discharge speed information;
calculating the printing temperature of the discharge nozzle, by the processor, using the printing speed information, the discharge speed information and the temperature information;
dynamically adjusting the printing temperature of the discharge nozzle, by the processor, using the calculated printing temperature; and
printing the 3D object by discharging a printing material from the discharge nozzle of the 3D printer using the dynamically adjusted printing temperature of the discharge nozzle.

US Pat. No. 10,251,204

METHOD FOR QUICK CONFIGURATION OF WI-FI CONNECTION OF OUTPUT DEVICE

XYZPRINTING, INC., New T...

1. A method for quick configuration of Wi-Fi connection of output device, comprising:a) retrieving a plurality of access point data respectively corresponding to a plurality of Wi-Fi access points based on a Wi-Fi protocol at a computer device;
b) selecting one of the pluralities of the access point data;
c) executing a transcoding process to the selected access point data for transforming the access point data from a first coding format into a second coding format supported by the output device;
d) generating configuration data according to the transcoded access point data;
e) establishing a heterogeneous connection with the output device based on a heterogeneous protocol, wherein the heterogeneous protocol is different from the Wi-Fi protocol;
f) transmitting the configuration data to the output device via the heterogeneous connection; and
g) establishing a first Wi-Fi connection with the corresponding Wi-Fi access point based on the Wi-Fi protocol according to the transmitted configuration data at the output device;
wherein each access point data comprises an SSID corresponding to the Wi-Fi access point.

US Pat. No. 10,207,488

THREE-DIMENSIONAL OBJECT GENERATING APPARATUS

XYZPRINTING, INC., New T...

1. A three-dimensional (3D) object generating apparatus comprising:an optical-transparent component comprising a working region;
a laser light generating module comprising:
a light emitter for outputting a spot beam;
a polygon mirror rotatable around an axis for directing the spot beam into a linear beam;
a flat-field convergent lens positioned between the laser light generating module and the optical-transparent component, wherein a flat-field scanning route is formed after the linear beam passed through the flat-field convergence lens, and the working region is within a coverage of the flat-field scanning route,
a flat-field optical sensor positioned on the flat-field scanning route, wherein the flat-field optical sensor senses an optical power of the linear beam and generates a sensed signal based on the optical power of the linear beam; and
a controller electrically connected to the laser light generating module and the flat-field optical sensor,
wherein the controller receives the sensed signal and calibrates the optical power of the spot beam based on the sensed signal.

US Pat. No. 10,144,208

METHOD FOR DETECTING CHARACTERISTIC OF FORMING MATERIAL AND THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A detecting method for detecting a characteristic of a forming material, the detecting method being adapted for a three-dimensional printing apparatus that comprises a control unit, a detection unit and a tank filled with a liquid forming material and a light source disposed at one side of the tank to irradiate the liquid forming material, and the detecting method comprising:controlling, by the control unit, the tank of the three-dimensional printing apparatus to swing to generate a wave motion on a liquid surface of the liquid forming material;
detecting, by the detection unit, the wave motion of the liquid forming material to obtain detection waveform information;
comparing, by the control unit, the detection waveform information with sample waveform information to obtain a characteristic comparison result in association with the liquid forming material; and
executing a predefined operation according to the characteristic comparison result, wherein the predetermined operation comprises adjusting at least one control parameter, and the three-dimensional printing apparatus prints a three-dimensional object according to the at least one control parameter.

US Pat. No. 10,252,464

SLICING PRINTING METHOD FOR COLOR 3D MODEL

XYZPRINTING, INC., New T...

1. A slicing printing method for color 3D model, the method comprising the following steps embodied by a processor:a) building a coloring model according to a color 3D object;
b) dividing the coloring model into a plurality of color cells, wherein a shell of each of the color cells forming an accommodating space configured to accommodate a color material;
c) setting respectively the colors of the color materials accommodated in each of the color cells according to the color of the color 3D object, and generating a printing color data corresponding to the color 3D model;
d) generating a printing object data associated with the printing color data according to the printing color data and the color cells;
e) controlling a first nozzle of a color 3D printer to print the color cells layer by layer according to the printing object data; and
f) during the period of printing the color cells, controlling a second nozzle of the color 3D printer to fill the coloring materials respectively in the accommodating space of the color cells according to the printing color data.

US Pat. No. 10,173,411

THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A three-dimensional (3D) printing apparatus for forming a 3D object by curing a liquid-forming material layer by layer, the 3D printing apparatus comprising:a frame;
a tank, disposed in the frame and containing the liquid-forming material;
an automatic-filling module, comprising:
a sensing unit, comprising a linking bar, a detector and a buoy, wherein the linking bar is connected between the buoy and the detector and pivotally connected to the tank, the buoy floats on the liquid-forming material, and the detector detects a liquid level of the tank according to the position of the buoy;
a reservoir, disposed in the frame for storing the liquid-forming material;
a filling pipe, connecting the reservoir and comprising an outlet located above the tank, and a gap exists between the outlet and a top edge of the tank;
a pressuring unit, configured to provide a positive pressure to the reservoir, so that the liquid-forming material in the reservoir is injected to the tank;
a control unit, coupled to the automatic-filling module to determine whether the pressuring unit provides the positive pressure to the reservoir for the liquid-forming material in the reservoir to be injected to the tank according to the liquid level detected by the sensing unit; and
a decompression unit, comprising an air escape valve for discharging excessive gas from the reservoir so as to balance the pressure in the reservoir, the control unit turns off the decompression unit when the control unit turns on the pressuring unit to provide the positive pressure to the reservoir, and the control unit turns on the decompression unit when the control unit turns off the pressuring unit to release the positive pressure in the reservoir.

US Pat. No. 10,259,162

LASER MODULE WITH DETACHABLE STRUCTURES OF THREE-DIMENSIONAL PRINTER

XYZPRINTING, INC., New T...

1. A laser module with detachable structures of three-dimensional printer, including:a platform having a working side; the platform being provided with a movement mechanism, and the movement mechanism at least having a displacement rod;
a carrying seat disposed on the displacement rod; the movement mechanism driving the carrying seat to move on the working side along the displacement rod, and the carrying seat having an assembly portion; and
a laser module disposed on the assembly portion of the carrying seat and detachably integrated with the assembly portion as a whole.

US Pat. No. 10,258,438

ORAL AUTOMATIC SCANNER

XYZPRINTING, INC., New T...

1. An automotive intraoral scanner applied in a mouth, the mouth having an upper and a lower row of teeth, the automotive intraoral scanner including:a bite piece disposed and sandwiched between the two rows of teeth, wherein the bite piece is a transparent waterproof shell, and the transparent waterproof shell has a cavity therein, a U-shaped outer side wall and an I-shaped outer side wall disposed opposite to each other;
a track piece installed in the bite piece and disposed corresponding to the rows of teeth; a shape of the track piece being the same as a shape of the rows of teeth, and the track piece is a U-shaped path disposed neighboring the U-shaped outer side wall;
at least one mobile image processing set installed on the track piece and moved along the track piece, wherein the mobile image processing set is disposed corresponding to the rows of teeth; and
a control circuit module, wherein the control circuit module is installed in the cavity, the control circuit module comprises a circuit board and a battery electrically connected with each other, and the mobile image processing set is electrically connected with the circuit board; the control circuit module further includes a charge induction coil, and the charge induction coil is electrically connected with the circuit board; the circuit board, the battery and the charge induction coil are disposed adjacent to the I-shaped outer side wall together.

US Pat. No. 10,245,782

METHOD FOR PRINTING A MODEL FOR 3D PRINTER

XYZPRINTING, INC., New T...

1. A method for printing a model used for a 3D printer including a printing platform, a 3D nozzle and a 2D nozzle, comprising:a) performing a slicing process on an outer-frame object for generating multiple slicing-route files of multiple printing layers;
b) performing the slicing process on a modeling object for generating multiple inkjet graphic files of the multiple printing layers, wherein the modeling object is different from the outer-frame object and the dimension of the outer-frame object is larger than the dimension of the modeling object in more than one direction;
c) controlling the 3D nozzle to eject a molding material on the printing platform according to the slicing-route file of one of the multiple printing layers in order to print a slicing object corresponding to the printing layer;
d) controlling the 2D nozzle to eject inks on the corresponding location of the slicing object according to the inkjet graphic file of the same printing layer in order to perform a coloring process on the inside of the printed slicing object;
e) determining if the printing layer is a last printing layer of the multiple printing layers; and
f) if the printing layer is not the last printing layer of the multiple printing layers, adjusting relative heights among the 3D nozzle, the 2D nozzle and the printing platform and re-executing from the step c to the step e in order to print the next printing layer.

US Pat. No. 10,214,002

THREE DIMENSIONAL PRINTING APPARATUS AND THREE DIMENSIONAL PRINTING METHOD THEREOF

XYZprinting, Inc., New T...

1. A three dimensional printing method, applicable to the three dimensional printing apparatus to print a three dimensional object on the platform, the three dimensional object comprising a plurality of first solidified layers and a plurality of second solidified layers, the three dimensional printing apparatus comprising a tank, a platform, a curing device, and a controlling device, the tank containing a liquid forming material, an inner bottom of the tank having a first portion and a second portion in step manner, the first portion being higher than the second portion, the platform movably disposed in the tank to be immersed in or moved out of the liquid forming material, wherein the tank and the platform are rotated relative to each other, and an region of the platform is corresponding to the first portion or the second portion, the curing device disposed next to the tank or the platform, the liquid forming material between the platform and the first portion being cured by the curing device to form a solidified layer, and the solidified layer being peeled off the first portion by relative rotation of the platform and the tank, the controlling device electrically connected to the curing device and at least one of the tank and the platform, wherein the curing device cures the liquid forming material between the platform and the first portion to form the solidified layer when the region is corresponding to the first portion, and then the controlling device drives the tank and the platform to rotate relatively so as to peel off the solidified layer from the first portion and to move the solidified layer to a position corresponding to the second portion, the three dimensional printing method comprising:step S1 : curing the liquid forming material between the platform and the first portion to form a first solidified layer (A1), and then rotating the tank relative to the platform to peel off the first solidified layer (A1) from the first portion and to move the first solidified layer (A1) to a position corresponding to the second portion;
step S2: moving the platform and the tank relatively further away from each other;
step S3: curing the liquid forming material between the platform and the first portion to form a second solidified layer (B1), and then rotating the tank relative to the platform to peel off the second solidified layer (B1) from the first portion and to move the second solidified layer (B1) to the position corresponding to the second portion;
step S4: moving the tank and the platform relatively further away from each other;
step S5: curing the liquid forming material between the platform and the first portion to form another first solidified layer (A2) stacked on the first solidified layer (A1), and rotating the tank relative to the platform to peel off the first solidified layer (A2) from the first portion and to move the first solidified layer (A2) to the position corresponding to the second portion;
repeating step S2 to step S5, so as to stack a plurality second solidified layers (B2, . . . , Bn?1) on the second solidified layer (B1) and to stack a plurality first solidified layers (A2, . . . , An) on the first solidified layer (A1), wherein n is a positive integer; and
step S6: curing the liquid forming material between the platform and the first portion to form another second solidified layer (Bn) being stacked on the second solidified layer (Bn?1), and rotating the tank relative to the platform to peel off the second solidified layer (Bn) from the first portion, wherein a first solidified layer set A={A1, . . . An?1, An } and a second solidified layer set B={B1, . . . Bn?1, Bn } form the three dimensional object.

US Pat. No. 10,214,003

3D PRINTING METHOD IMPLEMENTED BY MOVABLE PLATFORM

XYZPRINTING, INC., New T...

1. A 3D printing method implemented by movable platform, adopted by a 3D printer having a nozzle and a printing platform, the method comprising:a) calculating respectively a starting point and an ending point of each of a plurality of swaths of a printing layer;
b) calculating movement information of the printing platform upon an X axis and a Y axis of the 3D printer according to the starting points and the ending points, wherein the nozzle is immovable upon the X axis and the Y axis;
c1)controlling the printing platform to move along the X axis in company with the Y axis according to the movement information for locating the printing platform and making the nozzle to be at the starting point of one of the plurality of swaths upon the printing platform;
c2) controlling the printing platform to move only along the X axis and the nozzle to jet ink for printing the swath while the printing platform moves to corresponding positions, and making the nozzle to be at the ending point of the swath upon the printing platform at the end of the printing action of the swath;
c3) if determining that the swath printed in the step c2 is not a final swath of the printing layer, controlling the printing platform to move along the X axis in company with the Y axis according to the movement information for locating the printing platform and making the nozzle to be at the starting point of next one of the plurality of swaths; and
d) re-executing the step c2 to the step c3 to print the next one of the swaths of the printing layer before all printing actions for the plurality of swaths of the printing layer are completed.

US Pat. No. 10,166,719

PRINT PROTECTION METHOD AND THREE-DIMENSIONAL PRINTING APPARATUS

XYZprinting, Inc., New T...

1. A print protection method, adapted to a three-dimensional printing apparatus, and the three-dimensional printing apparatus comprising a trigger circuit, a control device, a peripheral device, a print head and a storage device, the method comprising:when a system voltage of the three-dimensional printing apparatus is reduced from a normal voltage to a first threshold voltage and lower than the first threshold voltage, generating a triggering signal to the control device by the trigger circuit;
recording a position data of a current position of the print head into the storage device by the control device according to the triggering signal after the system voltage is lower than the first threshold voltage; and
completely shutting down operation of the peripheral device and the print head by the control device according to the triggering signal after the system voltage is lower than a second threshold voltage, so that the control device is continuously operated by a remaining power after the system voltage is lower than the second threshold voltage, wherein the second threshold voltage is lower than the first threshold voltage.

US Pat. No. 10,144,174

THREE DIMENSIONAL PRINTING APPARATUS AND PRINTING HEAD MODULE

XYZprinting, Inc., New T...

1. A three dimensional printing apparatus configured to print a three dimensional object, comprising:a base having a carrying surface;
a printing head module disposed above the base, comprising:
a printing head comprising a heating element, a feeding channel and a nozzle, wherein the feeding channel comprises a plurality of heat dissipation fins disposed on an outer surface of the feeding channel, the feeding channel connects the nozzle, and the heating element is configured to heat the nozzle;
a fan comprising an air-inlet side and an air-outlet side opposite to the air-inlet side, wherein the air-inlet side facing the feeding channel; and
a nozzle guiding cover disposed on an air-outlet side of the fan and extended to the nozzle, wherein the nozzle guiding cover comprises a nozzle outlet, the nozzle outlet is located between the nozzle and the carrying surface; and
a controller electrically coupled to the printing head module to control a hot-melt material transmitting from the feeding channel to the nozzle, wherein the heating element is configured to heat the nozzle so the hot-melt material is hot-melted and extruded, and the hot-melt material is dispensed on the carrying surface to form the three dimensional object, the controller controls the fan to provide an airflow, and the airflow is guided from the heat dissipation fins to the nozzle outlet of the nozzle guiding cover, and the airflow flows through the feeding channel, the fan and the nozzle guiding cover along a direction perpendicular to an axial direction of the feeding channel.

US Pat. No. 10,144,182

PRINTING HEAD MODULE

XYZprinting, Inc., New T...

1. A printing head module, capable of dispensing a modeling material layer by layer to form a three-dimensional (3-D) object, the printing head module comprising:a body, comprising a material-supplying channel and a nozzle, the material-supplying channel corresponding to the nozzle and forming a material-supplying path with the nozzle;
a feeding assembly, disposed between the material-supplying channel and the nozzle, the feeding assembly comprising an active roller and a passive feeding member respectively disposed at two opposite sides of the material-supplying path;
a feeding sensor, directly disposed on the passive feeding member to directly detect whether the passive feeding member is operating; and
a control unit, coupled to the feeding assembly and the feeding sensor to drive the active roller to transmit the modeling material from the material-supplying channel to the nozzle along the material-supplying path when the passive feeding member is operating, and the control unit generating a notice according to a detecting result of the feeding sensor.

US Pat. No. 10,300,662

METHOD OF THREE-DIMENSIONAL PRINTING AND SYSTEM THEREOF

XYZprinting, Inc., New T...

1. A method of three-dimensional printing for a three-dimensional printing apparatus, the method comprising:slicing a three-dimensional object model into a plurality of sub-slicing layers based on a printing plane;
merging a default number of adjacent sub-slicing layers of the sub-slicing layers to form a plurality of grey-scale slicing layers; and
performing three-dimensional printing based on the grey-scale slicing layers.

US Pat. No. 10,293,592

3D COLOR PRINTING MECHANISM

XYZPRINTING, INC., New T...

1. A 3D color printing mechanism, comprising:a sliding track (100) extending along a longitudinal direction;
a slider (200) arranged on the sliding track (100) and capable of moving between two ends of the sliding track (100);
a painting nozzle (300) arranged on the slider (200), the painting nozzle (300) comprising at least one ink jet head (310); and
a modeling nozzle (400) connected to the slider (200), the modeling nozzle (400) comprising a material squeezer head (410), the modeling nozzle (400) arranged non-collinearly with the painting nozzle (300) along a transversal direction;
wherein the painting nozzle (300) is arranged at a first side of the slider (200) and the modeling nozzle (400) is arranged at a second side of the slider (200) opposite to the painting nozzle (300);
wherein the ink jet head (310) and the slider (200) are at the same side of the sliding track (100), and the material squeezer head (410) and the slider (200) are located at opposite sides of the sliding track (100);
wherein a portion of the modeling nozzle (400) is located directly underneath the sliding track (100), and the material squeezer head (410) is located directly underneath the sliding track (100);
wherein the modeling nozzle (400) comprises a material inlet (420) connected to the material squeezer head (410), and the material squeezer head (410) and the material inlet (420) are located on opposite sides of the modeling nozzle (400) along a vertical direction substantially perpendicular with the longitudinal direction and the transversal direction;
wherein the material squeezer head (410) is arranged lower than the ink jet head (310) along the vertical direction.

US Pat. No. 10,286,644

THREE-DIMENSIONAL PRINTER WITH CLEANING FUNCTION

XYZPRINTING, INC., New T...

1. A three-dimensional printer with a cleaning function, for printing a three-dimensional object in a layer-by-layer manner, comprising:a machine table, the machine table including a work area, and the work area including a formation portion and an arrangement portion;
a printing unit, the printing unit being disposed on the machine table and movable with respect to the machine table to form a reciprocating path, the arrangement portion being disposed on the reciprocating path, the printing unit including at least one nozzle;
a cleaning mechanism, the cleaning mechanism being disposed on the arrangement portion and including a scraper, the scraper including a contact portion; and
a control unit electrically coupled to the printing unit and the cleaning mechanism, wherein the control unit selectively controls the contact portion of the scraper to protrude out of the machine table, so that the at least one nozzle of the printing unit is cleaned by rubbing against the contact portion when moving in the reciprocating path;
wherein the cleaning mechanism further includes a dust-proof cover, a receiving container is disposed in the arrangement portion, the cleaning mechanism is disposed in the receiving container, and the dust-proof cover covers and closes the receiving container in an openable manner; and
wherein the cleaning mechanism further includes a connection element, the connection element is disposed between the dust-proof cover and the scraper, and the scraper drives the dust-proof cover to open or close by the connection element.

US Pat. No. 10,286,645

THREE-DIMENSIONAL PRINTING APPARATUS AND METHOD FOR COMPENSATING COORDINATE OFFSET BETWEEN NOZZLES THEREOF

XYZprinting, Inc., New T...

1. A coordinate offset compensating method for compensating a coordinate offset between nozzles, the coordinate offset compensating method being adapted for controlling a first nozzle and a second nozzle to perform coordinate offset compensation on a platform, wherein the first nozzle is configured to feed a first forming material and the second nozzle is configured to feed a second forming material, and the coordinate offset compensating method comprising:receiving a calibration model associated with a plurality of compensation parameters, wherein each of the compensation parameters is corresponding to an offset value between the first nozzle and the second nozzle under a reference printing coordinate and comprises a first vector compensation parameter corresponding to a first direction and a second vector compensation parameter corresponding to a second direction, and the first direction and the second direction are perpendicular to a normal direction of the platform respectively;
controlling the first nozzle and the second nozzle to print a testing three-dimensional object on the platform according to the calibration model, wherein the testing three-dimensional object comprises a plurality of correlation structures respectively corresponding to the compensation parameters, wherein each of the correlation structures comprises a first sub-structure and a second sub-structure, and the first sub-structure is formed of the first forming material and the second sub-structure is formed of the second forming material, and each of the first sub-structure and the second sub-structure comprises a portion extending in the first direction and a portion extending in the second direction;
selecting one of the compensation parameters, which corresponds to one of the correlation structures, according to a joint level between the first sub-structure and the second sub-structure of each of the correlation structures; and
compensating the reference printing coordinate of the first nozzle or the second nozzle according to the one of the compensation parameters selected according to the testing three-dimensional object.

US Pat. No. 10,274,934

DATA GENERATING METHOD FOR 3D PRINTING, METHOD FOR PRINTING A 3D OBJECT, AND SYSTEM FOR PROCESSING 3D PRINTING DATA

XYZPRINTING, INC., New T...

1. A data generating method for three-dimensional (3D) printing, said data generating method to be implemented by a computing system, and comprising the steps of:(A) receiving, by the computing system, a 3D graphic file and a plurality of printing profiles for printing a 3D object, wherein each of the printing profiles is associated with 3D printing for the 3D graphic file and is respectively corresponds to configured for a different printing quality in printing the 3D object, and wherein each of the plurality of printing profiles is received from a service device of a service end, each of the printing profiles comprising a plurality of printing parameters associated with printing operation of a 3D printing device and associated with slicing of the 3D graphic file;
(B) recording, by the computing system, a correspondence between the 3D graphic file and each of the printing profiles that are received in step (A);
(C) combining, by the computing system, the 3D graphic file and one of the printing profiles according to:
(i) the correspondence therebetween recorded in step (B) and
(ii) a user command that is received from a user device of a user end to select, from among the plurality of printing profiles, the one printing profile to generate a printing data file, the user end being different from the service end, wherein the printing data file is optimized and eliminates mismatch between the 3D graphic file and one of the printing profiles;
(D) in response to receiving the printing data file at the user device, performing slicing operation to simulate printing condition based on the printing data file;
(E) determining whether the slicing operation is successful;
(F) in response to the slicing operation being successful, transmitting, by the user device, a command for enabling the 3D printing device to form the 3D object based on the printing data file, otherwise; and
(G) requesting an operator to re-select the 3D graphic file and one of the printing profiles.

US Pat. No. 10,308,006

METHOD FOR CALIBRATING A LIGHT OF A THREE-DIMENSIONAL OBJECT GENERATING APPARATUS

XYZPRINTING, INC., New T...

1. A method for calibrating a light of a three-dimensional (3D) object generating apparatus adapted to a 3D object generating apparatus comprising a housing, an optical-transparent component, and a laser light generator, the housing comprising an accommodating space and an opening communicating with the accommodating space, the optical-transparent component arranged on the opening, the laser light generator is arranged on one side of the optical-transparent component and located within the accommodating space, and is used for curing a fluid medium arranged on the other side of the optical-transparent component and in a working region, the method comprising:providing a first photodetector and a controller, wherein the controller is electrically connected to the first photodetector and the laser light generator;
using the controller to drive the laser light generator to generate the light and perform a scanning procedure; and
stopping the scanning procedure when the first photodetector detects the light generated by the laser light generator, wherein the first photodetector is arranged corresponding to a first light calibration region adjacent to the working region, and then performing a 3D object generating procedure in the working region by moving the laser light generator toward the working region with a preset distance;
wherein the first photodetector and the laser light generator are arranged at the same side of the optical-transparent component;
wherein the preset distance is equal to or larger than a distance between a central axis of the first photodetector and an interface between the first light calibration region and the working region.

US Pat. No. 10,303,158

THREE DIMENSION PRINTING COLORING METHOD AND THREE DIMENSION PRINTING SYSTEM

XYZprinting, Inc., New T...

1. A three dimension (3D) printing coloring method, applied to a 3D printing system comprising a storage device and a 3D printing device, wherein the storage device is configured to store model information of a 3D object, and the 3D printing coloring method comprises:generating printing object information according to the model information of the 3D object, wherein the printing object information comprises first contour coloring information corresponding to a first printing layer of the 3D object and second contour coloring information corresponding to a second printing layer of the 3D object, and the first printing layer is adjacent to the second printing layer;
determining whether an included angle degree between a horizontal direction and a vertical direction of a common surface formed by a surface of a first contour of the first printing layer and a surface of a second contour of the second printing layer is larger than a default angle value;
if the included angle degree between the horizontal direction and the vertical direction of the common surface is larger than the default angle value, controlling the 3D printing device to synchronously color the surface of the first contour and the surface of the second contour according to the first contour coloring information and the second contour coloring information; and
if the included angle degree between the horizontal direction and the vertical direction of the common surface is not larger than the default angle value, controlling the 3D printing device to only color the surface of the first contour according to the first contour coloring information, and then controlling the 3D printing device to color the surface of the second contour according to the second contour coloring information after the surface of the first contour is colored.

US Pat. No. 10,315,359

THREE-DIMENSIONAL PRINTING METHOD

XYZprinting, Inc., New T...

1. A three-dimensional printing method adapted for a three-dimensional printer, which comprises a model printing head, a color printing head, and a platform, wherein the model printing head is configured to print at least one forming layer on an X-Y plane of the platform with a forming material, the model printing head and the color printing head are arranged along an X-axis and co-constructed, and the color printing head is configured to color a coloring zone of the forming layer along a Y-axis, the three-dimensional printing method comprising:providing information of the coloring zone of the forming layer;
determining the number of colorings of the color printing head according to the information of the coloring zone by a processor; and
when the color printing head executes at least one of the colorings, driving the model printing head to print the forming material in a region outside a contour of the forming layer on the platform by the processor,
wherein the region is located on a moving path of the model printing head and at a related position of a coloring path of the color printing head, a residual of the forming material remains in the model printing head after the model printing head prints the forming layer, and every time the color printing head performs the coloring, the processor drives the model printing head to print the residual of the forming material in the region along with a movement of the color printing head.