US Patent No. 9,457,445

MACHINE TOOL WITH COVER ADAPTED FOR DISCHARGE OF CHIPS


Patent No. 9,457,445
Issue Date October 04, 2016
Title Machine Tool With Cover Adapted For Discharge Of Chips
Inventorship Yuuzou Inaguchi, Yamanashi (JP)
Assignee FANUC CORPORATION, Yamanashi (JP)

Claim of US Patent No. 9,457,445

1. A machine tool, comprising:
a bed;
a table on which a workpiece is to be placed;
a column comprising a spindle to be fitted with a tool for machining the workpiece, the table and the spindle being disposed
on the bed;

a cover comprising:
a front cover provided on a side opposite the column with the table therebetween, side covers provided on left and right sides
of the front cover, respectively, and

a bottom part connected to the bed through respective lower ends of the front cover and the side covers;
a first slope part provided between the front cover and the table, and comprising first left and right slopes declining from
a center of the front cover toward the left and right side covers, respectively;

a second slope part comprising second left and right slopes connected to lower ends of the first left and right slopes, respectively,
the second left and right slopes declining rearward relative to the machine tool away from the front cover;

a first left nozzle and a first right nozzle provided individually at a top of the first left slope and at a top of the first
right slope, respectively, the first left and right nozzles configured to discharge a cutting fluid onto the first left and
right slopes, respectively; and

a second left nozzle and a second right nozzle provided individually at a top of the second left slope and at a top of the
second right slope, respectively, the second left and right nozzles configured to discharge the cutting fluid onto the second
left and right slopes, respectively,

wherein
the first slope part and the second slope part are arranged below the table,
the second slope part comprises
left and right screw-conveyor-receiving spaces configured to receive screw conveyors, respectively, and
left and right space covers attachable to and detachable from the cover, and
when no screw conveyors are received in the left and right screw-conveyor-receiving spaces, the left and right space covers
are attached to the cover to cover the left and right screw-conveyor-receiving spaces and define the second left and right
slopes, respectively.