| 摘要 |
PROBLEM TO BE SOLVED: To surely braze a bush to a shaft member while correctly maintaining an axial direction relative position to the shaft member, in a structure of brazing the bush to the shaft member, for fixing a cylindrical bush press-fitted into an attaching hole opened at a shaft end to the shaft member having the attaching hole by brazing.SOLUTION: A flange part 6a to be abutted on the shaft end of a shaft member 5 is provided integrally with a bush 6, the shaft member 5 is provided with an annular recessed part 9 disposed on the opening end inner periphery of an attaching hole 7, holding a brazing filler metal 11, and a gas discharge hole 10 whose inner end is opened to the inner periphery of the attaching hole 7 at a position facing the outer circumference of the bush 6 inside the attaching hole 7 is provided so as to open an outer end to the outer circumference of the shaft member 5. |
