| Issue |
MATEC Web Conf.
Volume 232, 2018
2018 2nd International Conference on Electronic Information Technology and Computer Engineering (EITCE 2018)
|
|
|---|---|---|
| Article Number | 02039 | |
| Number of page(s) | 4 | |
| Section | 3D Images Reconstruction and Virtual System | |
| DOI | https://doi.org/10.1051/matecconf/201823202039 | |
| Published online | 19 November 2018 | |
Study on forming process and spring back control of high strength sheet based on Dynaform
Yibin Vocational and Technical College, Department of Modern manufacturing, 644003 Sichuan Province, China
a Corresponding author: liucunping@126.com
The drawing process of a high strength steel part without blank holder force was numerically simulated based on Dynaform. In present investigation, the drawing velocity and velocity profile motion of punch was studied by simulating the drawing operation of high strength steel part. The results show that restricting drawing velocity and controlling velocity profile motion of punch could all reduce the spring back. The measure of restricting drawing velocity could reduce non-pressure forming spring back about 31% and Trapezoidal motion mode of punch is the most beneficial to reduce spring back.
© The Authors, published by EDP Sciences, 2018
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