STAKING METHOD AND DIE FOR SHAFT AND STAKED MOTOR

摘要

PROBLEM TO BE SOLVED: To provide an inexpensive portable motor by using a staking method with high workability, thus manufacturing a low-cost motor.;SOLUTION: An armature shaft 2a is staked with steps-off 14, 15 having a lower die 12 and an upper die 13 to simultaneously form staking with different protrusion amount.;COPYRIGHT: (C)2004,JPO