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Influence of the Curvature of the Multipoint Die for Flexible Multipoint Stretch Bending on the Quality of Aluminum Profile

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  • Yi Li
  • Rui Li
  • Ce Liang
  • Jicai Liang
  • Fei Teng

Abstract

The finite element numerical simulation method was used to study the stretch-bending process of asymmetric L-section aluminum alloy profiles. The geometrical parameters of the multipoint dies (MPDs) are studied to influence the shape accuracy and springback of the L-section profile after bending. The results show that the profile curvature of the MPD after the profile is bent has a great influence on the stress-strain distribution, springback value, and shape accuracy. In order to obtain uniform stress-strain of the profile and reduce the springback and shape error, the MPD is optimized by numerical simulation analysis, which has a certain reference value of providing a theoretical basis for the rational design of the flexible stretch-bending.

Suggested Citation

  • Yi Li & Rui Li & Ce Liang & Jicai Liang & Fei Teng, 2020. "Influence of the Curvature of the Multipoint Die for Flexible Multipoint Stretch Bending on the Quality of Aluminum Profile," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-9, January.
    • Handle: RePEc:hin:jnlmpe:5960973
    DOI: 10.1155/2020/5960973
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