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4cr5movisi re mo ju gang de ying yong
Author(s): 
Pages: 58-60
Year: Issue:  2
Journal: Heat Treatment of Metals

Keyword:  热模具钢模具材料热处理工艺使用寿命不预热硬度平均寿命早期断裂剪刀成型模;
Abstract: <正> 我厂是生产剪刀的专业厂,剪刀品种多,批量大,成型模是制剪生产中的关键模具。使用材料为3Cr2W8V钢。几年来,经多次改进热处理工艺,但仍存在热处理后模具硬度偏低(HRC46~48),使用寿命短(平均寿命6000件)的问题,常因粘模严重,型腔塌陷而过早失效。且在使用前不预热或操作不当,易造成早期断裂,模具回用率低,生产
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