| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for supplying a working fluid to a hydrostatic bearing which enables reduction of pulsation and thereby enables high accuracy processing in a machine tool.SOLUTION: Hydro-pneumatic cylinders 41, 42, which feed an oil toward a hydrostatic bearing 13 by linear motion, are provided. A control device 63 for alternately operating the hydro-pneumatic cylinders 41, 42 is provided.SELECTED DRAWING: Figure 5 |
