Manufacturing method of the race for the thrust needle bearing

摘要

PROBLEM TO BE SOLVED: To provide a method for manufacturing a race for a thrust needle bearing capable of securing a long service life.;SOLUTION: A resize punch RP is made close to a material C having a flange part C2, and it is abutted and pressed to the tip of a bent part C1 to generate plastic deformation. Protruding quantity Δ and an angle θ of the bent part C1 can be precisely adjusted within a narrow tolerable range thereby.;COPYRIGHT: (C)2006,JPO&NCIPI