Processing machine and pressure adjustment method
AssigneeFanuc Corporation
InventorsYuuta ISHII, Hiroshi MINAMI
Life of this patent
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Abstract
A processing machine includes: a static pressure bearing configured to support a drive shaft; a fluid feeder configured to output a fluid to be supplied to the static pressure bearing, in accordance with rotation of a servomotor; a sensor configured to detect a physical quantity of the fluid output from the fluid feeder; and a control unit configured to control the rotation speed of the servomotor according to the physical quantity of the fluid.
Claims8
A processing machine for machining an object to be machined, comprising:
- a static pressure bearing configured to support a drive shaft;
- a fluid feeder configured to output a fluid to be supplied to the static pressure bearing, in accordance with rotation of a servomotor;
- a sensor configured to detect a physical quantity of the fluid output from the fluid feeder;
- and
- a control unit configured to control a rotation speed of the servomotor according to the physical quantity of the fluid.
A pressure adjustment method for a processing machine having a fluid feeder configured to output a fluid to be supplied to a static pressure bearing configured to support a drive shaft, in accordance with rotation of a servomotor, comprising:
- an acquisition step of acquiring a physical quantity of the fluid output from the fluid feeder;
- and
- a control step of controlling a rotation speed of the servomotor according to the physical quantity of the fluid acquired at the acquisition step.
Dependencies are inferred from the claim text.