1. A rotary table device comprising:both or one of a clamping mechanism and purge mechanism which operate by way of working fluid, the clamping mechanism including a brake disk configured to stop rotation of a rotating shaft, and the purge mechanism being arranged on an interior portion of the rotary table device;
a detection unit that detects a pressure or flow rate of the working fluid;
a transition information storage unit that acquires and stores transition information related to transition of a pressure value or flow rate value of the working fluid detected by the detection unit;
a judgment value storage unit that is programmed to store in advance a plurality of sets of judgment value information related to judgment values for judging a pressure value or flow rate value of the working fluid; and
a notification unit that notifies of notification information according to the pressure value or flow rate value of the working fluid, based on the transition information stored in the transition information storage unit and the plurality of sets of judgment value information stored in the judgment value storage unit.