| 摘要 |
PROBLEM TO BE SOLVED: To accurately mount an electrodeposited internal gear type grinding wheel on a driving part of a grinding device in a short period of time without requiring any expert skill in adjusting oscillation. SOLUTION: A metal base 11 of the electrodeposited internal gear type grinding wheel 4 is inserted to an annular adapter 21 provided on the driving part 3 from one side of the driving part 3 in a rotational axis direction so as to fit an outer periphery of the metal base 11 in an inner periphery of the adapter 21, and pressed toward the other side in the rotational axis direction to be mounted. A plurality of projected parts 16 projecting in a radial direction are formed at intervals in a circumferential direction on either one of the outer periphery of the metal base 11 and the inner periphery of the adapter 21, and recessed parts 26 for respectively receiving the projected parts 16 are formed on the other. Respective side surfaces of the projected parts 16 and the recessed parts 26 in one side in the circumferential direction of the adapter 21 are formed in inclined side surfaces 16B, 26B being inclined in a direction to contact each other when pressing the metal base 11 toward the other side in the rotational axis direction, and respective surfaces of the other side are formed in parallel side surfaces 16A, 26A extending in parallel with the rotational axis. COPYRIGHT: (C)2010,JPO&INPIT
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