| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a machining apparatus capable of surely and stably performing a feeding operation of machining means by enabling a load detection of the machining means without depending on a load current value or a load sensor. <P>SOLUTION: The gap amount in the thrust direction or the radial direction of an air-bearing spindle which varies according to the feeding action of a working unit 30 is recognized by the variation of an air pressure generated in the gap, and the feeding action of the working unit 30 is safely controlled. <P>COPYRIGHT: (C)2008,JPO&INPIT |
