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《Journal of Tianjin Polytechnic University》 2008-02
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FEM numerical simulation of spinning processing for thin TC4 alloy workpiece with curvilinear shape

LI Qi-jun1,LU Hong-jun1,WANG Qi1,SHAN De-bin2(1.Aerospace Research Institute of Material and Processing Technology,Beijing 100076,China;2.Haerbin Institute of Technology,Haerbin 150001,China)  
The spinning process for thin TC4 alloy workpiece with curvilinear shape is simulated by the means of FEM numerical simulation,and the stress-strain status of different areas in raw material during different step and cause of drawback occurring are analyzed,and the parameters are optimized.The results show that stress-strain status is different because of different areas in raw material,and workpiece is easily produced by using feed ratio f=1.0 m/r,position angle а=20°,circular arc,roller working radius R=20 mm and ω1=60 r/min.At the same time high precision products are successfully produced on the basis of FEM numerical simulation.It is proved that FEM numerical simulation offers the instructions to spinning formation.
【CateGory Index】: TG146.23
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