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A Study on the Influence of Process Parameters on Residual Stress and Reducing Residual Stress for Drawn Wire Using FE-Analysis (유한요소 해석에 의한 공정변수가 인발 선재의 잔류응력에 미치는 영향평가 및 완화에 관한 연구)

  • Lee S.G.;Hwang W.H.;Kim B.M.;Bae C.M.;Lee C.Y.
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2005.10a
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    • pp.834-837
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    • 2005
  • This study presents a study on the influence of process parameters(semi-die angle, die reduction, friction condition, and bearing length) in drawn wire on residual stresses were investigated using FE-analysis. In this study, semi-die angle and die reduction have a significant effect on the residual stresses at the surface of drawn wire. In the previous study, in order to reduce the residual stresses, several methods were suggested: addition of axial tension, application of skin pass, straightening in multi-roll straightener etc. In this study, it can be known that the concurrent application of skin pass with low die reduction and low semi-die angle at the final stage of drawing operation reduces dramatically the both axial and hoop residual stresses after drawing.

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