Inhibitory effects of a flexible steel pad on wrinkling in multi-point die forming

Inhibitory effects of a flexible steel pad on wrinkling in multi-point die forming A flexible steel pad was applied in multi-point die forming to inhibit wrinkling from occurring in sheet metal, which is based on the idea of sheet metal flexible forming method. In numerical simulations, three multi-point die forming processes, namely without a polyurethane cushion, with a cushion, and with a flexible steel pad, were carried out for a complex three-dimensional part. Comparison of simulation results indicates that adding the flexible steel pad could effectively improve the stress and strain distribution, forming precision, and surface quality as well as effectively suppressed the occurrence of wrinkles and dimples. Experimental results of the three forming processes are consistent with the simulations, which proves the inhibitory effect of the flexible steel pad on wrinkling and the accuracy of the numerical simulations. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The International Journal of Advanced Manufacturing Technology Springer Journals

Inhibitory effects of a flexible steel pad on wrinkling in multi-point die forming

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Publisher
Springer London
Copyright
Copyright © 2017 by Springer-Verlag London Ltd., part of Springer Nature
Subject
Engineering; Industrial and Production Engineering; Media Management; Mechanical Engineering; Computer-Aided Engineering (CAD, CAE) and Design
ISSN
0268-3768
eISSN
1433-3015
D.O.I.
10.1007/s00170-017-1372-0
Publisher site
See Article on Publisher Site

Abstract

A flexible steel pad was applied in multi-point die forming to inhibit wrinkling from occurring in sheet metal, which is based on the idea of sheet metal flexible forming method. In numerical simulations, three multi-point die forming processes, namely without a polyurethane cushion, with a cushion, and with a flexible steel pad, were carried out for a complex three-dimensional part. Comparison of simulation results indicates that adding the flexible steel pad could effectively improve the stress and strain distribution, forming precision, and surface quality as well as effectively suppressed the occurrence of wrinkles and dimples. Experimental results of the three forming processes are consistent with the simulations, which proves the inhibitory effect of the flexible steel pad on wrinkling and the accuracy of the numerical simulations.

Journal

The International Journal of Advanced Manufacturing TechnologySpringer Journals

Published: Nov 23, 2017

References

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