吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (6): 1961-1966.doi: 10.13229/j.cnki.jdxbgxb201606027

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Multi-phase iterative compensation method of die shape optimization for multi-point stretch bending profile

LI Yi1, LIANG Ji-cai2, TENG Fei3, LIANG Ce1, YU Jia-qi1   

  1. 1.College of Materials Science and Engineering, Jilin University, Changchun 130022, China;
    2.Roll Forging Institute, Jilin University, Changchun 130022,China;
    3.School of Mechanical and Vehicle Engineering, Changchun University, Changchun 130022, China
  • Received:2015-08-15 Online:2016-11-20 Published:2016-11-20

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Abstract:

The computation criterion of unit displacement of multi-point 3D stretch bending die was built. The fast iterative process of controlling multi-point die shape was achieved by using multi-phase compensation factors. Finite element simulation and experiment results show that the part springback value can be reduced from 6.87 mm to 1.03 mm, which demonstrates that the shape deviation and springback can be effectively controlled by the optimized die shape.

Key words: materials synthesis and processing technology, profile multi point stretch bending, die shape, multi phase compensation, iterative optimization

CLC Number: 

  • TG356
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