| 摘要 |
PURPOSE:To efficiently perform drawing the title material with high quality without generating a seizure, by using a specified material and a specified shaped drawing die. CONSTITUTION:In case of drawing the title material such as stainless steel, etc., the material containing >=20wt% TiC and a proper quantity of a binder is used for the die. Furthermore, as for the shape of the die, a shape possessed of a approach angle alpha is regulated to 5-35 deg.. In this way, the generation of the seizure is prevented and the processing amount for working is increased.
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