Patent ID: 7247081
Filing Date: 2007-07-24
Classification: B24B

Abstract:
1. A precision machining apparatus comprising: a first rotary device for rotating an object to be ground; a first pedestal supporting the first rotary device; a second rotary device for rotating a grinding wheel; a second pedestal supporting the second rotary device for rotating the grinding wheel; movement adjustment means provided at the first pedestal and/or the second pedestal, the movement adjustment means being capable of moving one of the pedestals toward the other, wherein the movement adjustment means includes a first movement adjusting portion which moves the first or second pedestal and a second movement adjusting portion which applies a pressure to the first or second pedestal to cause the first or second pedestal to move in the direction of the movement, and wherein the amount of movement of the first or second pedestal and the first or second rotary device can be controlled by selectively using the first movement adjusting portion and the second movement adjusting portion; and an attitude control device interposed between the first rotary device and the first pedestal or between the second rotary device and the second pedestal, wherein the attitude control device controls the attitude of the first or second rotary device.