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Abstract：
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According to the complex structure and precision of high quality characteristic of the hard disk shell,the forming process was analyzed and the manufacturing technique scheme of one punching step with two types of progressive die through changing the punch was proposed,which could ensure the stability and reliability of the molding production by using the precise guide device,bracing structure and floating pilot pin and the 17-station bilateral carrier blank layout method.Above all,the scheme is useful to the progressive die design of this kind of parts.
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AuthorIntro：
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Reference：
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[1]冲模设计手册编写组.冲模设计手册[M].北京:机械工业出版社,1999.
[2]薛啟翔.冲压模具设计制造难点与窍门[M].北京:机械工业出版社,2003.
[3]王俊彪.多工位级进模设计[M].西安:西北工业大学出版社,1999.
[4]田嘉生.冲模设计基础[M].北京:航空工业出版社,1994.
[5]欧阳波仪.多工位级进模设计标准教程[M].北京:化学工业出版社,2009.
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