吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (5): 1552-1557.doi: 10.13229/j.cnki.jdxbgxb201605025

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Effect of unit form on flexible stretch forming of multi-point die

CHENG Yan-yan1,2, LI Ming-zhe1, XING Jian1,3   

  1. 1.Dieless Forming Technology Center, Jilin University, Changchun 130022, China;
    2.Department of Chemical Machinery, Jilin Vocational College of Industry and Technology, Jilin 132013, China;
    3.Engineering Training Center, Northeast Dianli University, Jilin 132012, China
  • Received:2015-12-07 Online:2016-09-20 Published:2016-09-20

Abstract: In order to improve the forming quality, the flexible stretch forming processes of multi-point die with different unit forms were studied. The flexible stretch forming processes of multi-point die with fixed unit and with swinging unit were simulated. The numerical results show that the flexible stretch forming part of multi-point die with swinging unit is smoother, the strain distribution is more uniform, the forming accuracy is higher, and forming effect is better than that with fixed unit. Flexible stretch forming experiments of multi-point die with fixed unit and swinging unit were conducted for spherical part. It is proved that flexible stretch forming of multi-point die with swinging unit is feasible and the numerical simulation results are reliable.

Key words: materials synthesis and processing technology, multi-point forming, fixed unit, swinging unit, stretch forming, numerical simulation

CLC Number: 

  • TG386
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