| 摘要 |
PROBLEM TO BE SOLVED: To provide a shaft part finishing device capable of reducing a surface roughness in a shaft part, by simple constitution. SOLUTION: The first clamp claw 12 and the second clamp claw 14 sandwich a pin part 4 of a crankshaft 1. The first clamp claw 12 and the second clamp claw 14 are provided respectively to oppose each other the first shoe 58 and the second shoe 60 for pressing the pin part 4, and polishing cloth paper 56 is pressed onto a surface of the pin part 4 by the first shoe 58 and the second shoe 60. The first shoe 58 and the second shoe 60 include respectively the first pressing piece 62 and the second pressing piece 64 provided in an end face of a side faced to the pin part 4, the first pressing piece 62 comprises a highly elastic material such as urethane rubber, and the second pressing piece 64 comprises a highly rigid material such as steel electro-deposited with a diamond abrasive grain on its surface. COPYRIGHT: (C)2009,JPO&INPIT |
