Outer joint member of constant velocity universal joint
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United States of America Patent
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Sep 29, 2020
Grant Date -
Jul 11, 2019
app pub date -
Mar 12, 2019
filing date -
Mar 28, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a method of manufacturing an outer joint member of a constant velocity universal joint, which is constructed by forming a cup section having track grooves, and a shaft section, and by welding a cup member and a shaft member, the method including: forming the cup member and the shaft member of medium carbon steel; preparing a cup member having a cylindrical portion and a bottom portion integrally formed by forging, and a joining end surface in a machining step; preparing a shaft member having a joining end surface formed in a machining step; bringing the joining end surface of the cup member and the joining end surface of the shaft member into abutment against each other; welding the cup member and the shaft member by radiating a beam; and performing, after the welding, an ultrasonic flaw detection-inspection step.
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