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Abstract：
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Square taper cups is usually formed by deep drawing and correcting process. Great correcting pressure causes great deformation of forming die, and so workpiece precision is difficult to guarantee. In accordance with structure characteristic and stress state of the die in correcting process, FEM is applied to analyze deformation of the die and its effect on workpiece precision. Reasonable suggestions concerning with die design and working accuracy are made.
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Funds：
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广东工业大学重点学科项目资助 (编号 :982 0 31 )
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AuthorIntro：
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Reference：
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1 李硕本冲压工艺学北京:机械工业出版社,1982
2 中国机械工程学会锻压学会锻压手册(第2卷,冲压)北京:机械工业出版社,1996
3 王孝培冲压手册北京:机械工业出版社,1990
4 徐之纶弹性力学北京:人民教育出版社,1982
5 赵经文,王宏钰结构有限元分析哈尔滨:哈尔滨工业大学出版社,1988
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