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摘要：
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通过对国内、外厂家生产的硬质合金模进行系统的解剖分析,研究了其材料组成,探讨了冷镦螺钉用硬质合金模具的差异,提出了提高国内某厂生产模具使用寿命的具体措施。
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A systematic dissection research is conducted for the hard alloy dies produced by two domestic factories and a Japanese factory in order to investigate the difference of hard alloy die for cold heading small screw produced at home and abroad in order to find a way for increasing the service 1ife of domestic hard alloy dies.Finally,ways and specific measures are presented for increasing service 1ife of domestic dies.
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基金项目：
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作者简介：
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参考文献：
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[1]冯晓曾,等.提高模具寿命指南[M],北京,机械工业出版社,1994.
[2]陈万林,等.实用模具技术[M],北京,机械工业出版社,2001.
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