| 摘要 |
PROBLEM TO BE SOLVED: To provide a grinding wheel that can easily grind the entire grinding-target surface even if some protrusions exist on the grinding-target surface. SOLUTION: By externally engaging axis portions of 5 bolts 10, which are individually inserted and fixed onto nearly concentric circles drawn on a flange 5 for attaching a brake disc, individually with 5 long grooves 20, formed on nearly concentric circles on the grinding-target surface 19 of a grinding wheel 15, the brake disc attachment face 11 and the grinding-target face 19 are brought into a mutual contact, and the brake disc attachment face 11 is made unable to be turned circumferentially. In this state, the grinding wheel 15 is oscillated circumferentially, and the grinding of the brake disc attachment surface 11 is resultantly attained. COPYRIGHT: (C)2006,JPO&NCIPI
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