| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce processing time and manufacturing costs in a method for manufacturing an impeller. <P>SOLUTION: The method for manufacturing an impeller includes: a shape change prediction step of predicting a change in shape of a raw material part by generation of compressive stress; a pre-processing step of processing the raw material part based on the prediction in the shape change prediction step; and a compressive stress generation step of generating compressive stress to the raw material part processed in the above step. <P>COPYRIGHT: (C)2012,JPO&INPIT |
