Ntn Corporation

Kuniaki Harada

Tatsuro Sugiyama

Masazumi Kobayashi

Yoshiya Mano

Renji Natsume

Kiyohiro Suzuki

Shunichirou Tsuboi

Akira Nagatake

A method of manufacturing an outer joint member of a constant velocity universal includes forming cup and shaft members of medium carbon steel, preparing, as the cup member, a cup member having cylindrical and bottom portions integrally formed by forging, and a joining end surface formed on an outer surface of the bottom portion after the forging, preparing, as the shaft member, a shaft member having a joining end surface to be joined to the bottom portion of the cup member, and bringing the joining end surfaces of the cup and shaft members into abutment against each other. The method also includes welding the cup and shaft members from an outer side of the cup member to an abutment portion between the cup and shaft members in a radial direction of the cup member.

Method for manufacturing outer joint member for constant velocity universal joint, shaft member and outer joint member

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Shizuoka, Japan

Kuniaki Harada