Research on Stress and Strain Distribution during Multi-Pass Conventional Spinning under Different Roller Motion Modes


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Establishing a reasonable mechanical model for multi-pass conventional spinning and typical drawing spinning is the object of the present study. Research on stress and strain distribution during multi-pass conventional spinning processing under three modes of roller motion, i.e., one-way moving without profiling, one-way moving with profiling, and two-way moving with profiling, is carried out using elasto-plastic FEM method. Though the equivalent stress distribution under these three modes of roller motion is similar, there exists significant difference in magnitude, with the equivalent stress in the close-mandrel area being the highest in the case of profiled one-way moving. As far as the strain is concerned, it has a similar distribution as the equivalent stress, with the strain in the close-mandrel area under one-way moving with profiling having the highest value. In the case of roller two-way moving with profiling, the strain distribution is the most homogeneous, while the work-hardening of the blank is the most serious. In all cases, both stress and strain in the deforming zone increase with increasing spinning passes.



Materials Science Forum (Volumes 532-533)

Edited by:

Chengyu Jiang, Geng Liu, Dinghua Zhang and Xipeng Xu




J. H. Liu and H. Yang, "Research on Stress and Strain Distribution during Multi-Pass Conventional Spinning under Different Roller Motion Modes ", Materials Science Forum, Vols. 532-533, pp. 205-208, 2006

Online since:

December 2006





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