COMPUTER AIDED ANALYSIS FOR COLD ROLL FORMING THIN CHANNEL SECTION

金属学报(英文版), 2001, 14(2): 122-126.

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1.Key Laboratory of Terrain Machine Bionic Technology, Jilin University, Changchun 130025, China

2.Mechanics Department, Jilin University, Changchun 130025, China

3.Key Laboratory of Terrain Machine Bionic Technology, Jilin University, Changchun 130025, China

4.Institute of Rolling Mill, Yanshan University, Qinhuangdao 066004, China

基金项目: 国家自然科学基金(59875057) the University Foundation of Jilin University of Technology

COMPUTER AIDED ANALYSIS FOR COLD ROLL FORMING THIN CHANNEL SECTION

Keywords： computer aided analysis

Cold roll forming is a complicated metal processing, and it is very difficult to simulate the forming process. Based on the Updated-Lagrange method in the deformation mechanics, an elastic-plastic large deformation spline finite strip method is developed to analyze cold roll forming of a thin channel section. The longitudinal membrane strain values on the edge of the deformed strip for four one-pass sequences in different fold angles are got. Simulated results are compared with the results from previously conducted experiments. The deviation of the simulated peak strain values is within 30%compared with the experimental results.

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COMPUTER AIDED ANALYSIS FOR COLD ROLL FORMING THIN CHANNEL SECTION

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