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《Journal of Shanghai Jiaotong University》 2008-01
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Numerical Simulation and Experimental Validation of Flanging-drawing Workpiece Forming Procedure

CAI Lan-rong~1,SHAO Hai-ning~2,HU De-jin~1(1.School of Mechanical Engineering,Shanghai Jiaotong University,Shanghai 200240,China;2.The Boiler Corporation of Ji'nan,Shandong Province,Ji'nan 250023,China)  
The elastic-plastic finite element method and key technologies based on static implicit scheme for the simulation of the forming process of sheet metal were introduced.The forming conditions of flanging-drawing workpiece are more difficult to predict than single drawing one.This paper simulated the forming procedure of a typical flanging-drawing workpiece via the FE software MSC.Marc and analyzed the stress,strain,thickness distribution and forming limitation of four key regions.The thickness distribution of the simulation and experiment show fairly good agreement.The results indicate that the numerical simulation can forecast the shortcomings of flanging-drawing workpiece,such as wrinkle,split and spring-back,and optimize the die and forming process.The trial can be decreased or even be canceled,and the forming quality can be improved greatly.
【CateGory Index】: TG386.32
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