A new model for simulation of cold roll-forming of tubes by using spline finite strip method |
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| Authors: | Le-le Zhang Nan-lin Tan Cai Liu |
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| Affiliation: | ZHANG Le-le1,TAN Nan-lin1,LIU Cai2(1.School of Mechanical,Electronic , Control Engineering,Beijing Jiaotong University,Beijing 100044,China,2.Institute of Rolling Mill,Yanshan University,Qinhuangdao 066004,Hebei,China) |
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| Abstract: | A new model,called object model,for the simulation of cold roll-forming of tubes is presented.The model inherits the advantages of old models and is the embodiment of forming process that the strip is rolled step by step from feed rollers to last rolling pass.The elastic-plastic large deformation spline finite strip method based on updated Lagrangian method has been developed by improving the stiffness and transition matrix.Combined theory formulas and new analytical model,the forming process of a tube has ... |
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| Keywords: | cold roll forming of tubes object model elastic-plastic deformation spline finite strip method |
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