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《Materials Science and Technology》 2008-01
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Rapid development and forming simulation for deep drawing parts of orthotropic sheet metal

WU Jian-jun(The Key Lab.of Contemporary Design and Integrated Manufacturing Technology,Ministry of Education,Northwestern Polytechnical University,Xian 710072,China)  
For the calculation of initial flat blank shape of sheet metal parts and the fast FE analysis of orthotropic sheet metal forming,based on the UG model of deep drawing part,the triangular element data of part were picked up and the initial bank shape of deep drawing part was obtained for the fast deep drawing simulation using geometric mapping method.Moreover,on the assumption of ideal forming and Hill'48 orthotropic yield criteria,the formula and FE expression of one-step approach for the fast deep drawing simulation were provided,and the post-analysis was established in Unigraphics software.Based on above work,the optimum blank shape and thickness strain distribution for a TC1 sheet metal deep drawing cup are presented with satisfying results.
【Fund】: 航空科学基金资助项目(2006ZE53054)
【CateGory Index】: TG386.32
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