| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a power transmission member which can prevent an influence of thermal strain. <P>SOLUTION: The method of manufacturing a power transmission member including a disk section 12 extending from a boss portion 11 in a direction orthogonal to a rotary shaft and through holes 120 formed in the disk section 12, comprises: a first through hole forming step of forming a leading hole 121 that is at least a part of each through hole 120; a chamfering step of chamfering at least a part of the leading hole 121; a heat treating step of performing heat treatment after the chamfering; and a second through hole forming step of forming each through hole 120 into a desired shape by laser beam machining after the heat treatment. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
