| 摘要 |
PROBLEM TO BE SOLVED: To enable press forming of highly precise formed parts with ease. SOLUTION: The female die has a tapered face whose diameter becomes smaller toward the depth from a surface facing to a punch and a forming part arranged at the end of the tapered part. A plate-shaped workpiece produced by hot, warm and cold forging processes or a casting process is press formed to the parking pole for automatic transmission of vehicle by the use of the female die. COPYRIGHT: (C)2005,JPO&NCIPI
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