A study of the stress and strain distributions of first-pass conventional spinning under different roller-traces

  • Liu J
  • Yang H
  • Li Y
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Abstract

In this paper, based on the establishment of a reasonable mechanics model for a typical draw-spinning, research on the first pass of the spinning process is carried out with an elasto-plastic FEM method. The distributions of the stress and strain are obtained under three types of roller-trace curves: straight lines, involute curves and quadratic curves. The distribution laws of the radial and tangential stress that are obtained can serve as a significant guide to determining the forming limits in multi-pass conventional spinning under different roller-traces. Comparison of the distributions of strain and stress of three roller-traces could provide a theoretical basis for selecting a reasonable roller-trace in multi-pass conventional spinning. © 2002 Published Elsevier Science B.V.

Author-supplied keywords

  • Multi-pass conventional spinning
  • Numerical simulation
  • Roller-traces
  • Stress and strain distributions

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