Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuji Yasuda0
Tetsuya Kohno0
Date of Patent
November 9, 2010
0Patent Application Number
113531740
Date Filed
February 14, 2006
0Patent Primary Examiner
Patent abstract
A method of manufacturing a powertrain member capable of suppressing an effect of heat distortion is provided. A method of manufacturing a powertrain member including a disk portion provided to extend from a boss portion in a direction perpendicular to a rotation axis and having a through hole formed in the disk portion includes the first through hole formation step of forming a tip hole which is at least a portion of the through hole, the chamfering step of chamfering at least a portion of the tip hole, the heat treatment step of performing heat treatment after chamfering, and the second through hole formation step of forming a desired shape of the through hole by laser processing after heat treatment.
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