Being the barrel finishing manner which barrel finishing manner null of barrel finishing

摘要

PROBLEM TO BE SOLVED: To provide a barrel polishing method for a follower integrating valve lifter capable of suppressing clogging of barrel chips in the follower integrating valve lifter as a polished workpiece.;SOLUTION: A follower surface of the follower integrating valve lifter 15 having a bottomed cylindrical shape is finished by barrel polishing in a manufacturing process. For this barrel polishing, two kinds of barrel chips such as a regular tetrahedral barrel chips 21 a and a spherical barrel chips 21b are used as barrel chips.;COPYRIGHT: (C)2002,JPO