| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a forged part with which the strength at the stress concentrated portion can be improved without bringing about the lowering of dimensional precision and the forged part. SOLUTION: To an intermediate part 100A, prepared holes 10 are formed in the range at both end parts corresponding to the stress concentrated portions of long hole parts for gear finish-formed, and after applying heat treatment, the long hole parts are completed. COPYRIGHT: (C)2006,JPO&NCIPI
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