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Abstract：
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On the fact that the flange formability can be improved by controlling the forces on each individual segments of blankholder, the paper presents a method to divide the flange section and analyze the distribution and variation of stress and strain in the flange area of rectangular deep\|drawing part considering the influences of shear stress,strain laxity,strain hardening as well as the ply anisotropy.
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Reference：
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1 梁炳文,胡世光板料成形塑性理论北京:机械工业出版社,1987
2 汪大年金属塑性成形原理北京:机械工业出版社,1991
3 杨玉英盒形件成形机理的探讨锻压技术,1989,14(6)
4 朱 谨凸缘拉延中的“应变松弛效应”分析锻压技术,1996,21(5)
5 郑晓丹等方盒件拉深摩擦状况的分析与控制锻压技术,2001,26(2)
6 姜奎华等方盒形件拉深变形的力学分析及成形极限第一次中日冲压学术会议论文集,北京,1991:3～5
7 熊志卿等筒盒拉深的应力通解塑性工程学报,1995,2(2)
8 刘 渝等板料成形时的绕角应力的分析航空工艺技术,1995,(4)
9 雷 方盒形件拉深成形过程的压边力计算与控制模型研究西北工业大学硕士论文,2002
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