Method for manufacturing outer joint member for constant velocity universal joint and ultrasonic flaw detection method for welded section
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United States of America Patent
Stats
-
Jul 30, 2019
Grant Date -
Jul 12, 2018
app pub date -
Jun 10, 2016
filing date -
Jul 9, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A manufacturing method is used for an outer joint member of a constant velocity universal joint. The outer joint member includes a cup section having track grooves formed in an inner periphery of the cup section, which are engageable with torque transmitting elements, and a shaft section formed at a bottom portion of the cup section. The outer joint member is constructed by forming the cup section and the shaft section as separate members, and by welding a cup member forming the cup section and a shaft member forming the shaft section to each other. The manufacturing method at least includes welding the cup member and the shaft member by irradiating a beam to joining end portions of the cup member and the shaft member, and inspecting a welded portion formed in the welding by a plurality of ultrasonic flaw detection methods with one probe.
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