| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ring body gripping jig capable of improving machining precision when machining an outer peripheral surface and/or an inner peripheral surface of a ring body. <P>SOLUTION: This ring body gripping jig 80 for gripping the ring body 38A when machining the outer peripheral surface and/or the inner peripheral surface of the ring body 38A includes: a gripping jig body 81 having a fixed surface 81A fixed to a chuck of a working machine; a gripping mechanism having claw members 83, which, when machining the inner peripheral surface of the ring body, protrude from a gripping surface of the gripping jig body and hold the end surface of the ring body 38A by the tips; and a fastened section 81D in which a fastener for stopping a pressing plate that presses the end surface of the ring body 38A toward a gripping surface 81B of the gripping jig body 81 when machining the outer peripheral surface of the ring body 38A, is fastened. <P>COPYRIGHT: (C)2013,JPO&INPIT |
