| 摘要 |
A machining apparatus comprises a rotating spindle mounted rotatably, a rotating drive source for rotationally driving the rotating spindle, a rotary tool detachably mounted on the rotating spindle, and a screwed member rotated and screwed to the rotating spindle for mounting the rotary tool on the rotating spindle. The machining apparatus is further provided with selective rotation inhibiting means for selectively inhibiting the rotation of the rotating spindle.
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