| 摘要 |
PROBLEM TO BE SOLVED: To provide a rocker arm reduced in the wear of a sliding surface with a cam and reduced in an influence on the cam, and a method for polish-finishing the rocker arm. SOLUTION: The method for polish-finishing the rocker arm 6 for actuating an intake or exhaust valve 8 driven by the sliding with the cam 4 linked with a rotating shaft of an engine includes: a plating process 20 for chrome plating at least the sliding surface 12 with the cam 4 on the rocker arm 6; a rough polishing process 22 for rough polishing the sliding surface 12 by means of rough buffing or lapping; and a finishing buff polishing process 24 for buff polishing the sliding surface 12 using a buffing material of a cloth material applied with abrasive grains. COPYRIGHT: (C)2010,JPO&INPIT |
