A Three-Dimensional FE Study of Sheet Metal Flow Over the Drawbead

Paper #:
  • 960591

Published:
  • 1996-02-01
Citation:
Xu, S. and Weinmann, K., "A Three-Dimensional FE Study of Sheet Metal Flow Over the Drawbead," SAE Technical Paper 960591, 1996, https://doi.org/10.4271/960591.
Pages:
11
Abstract:
The deformation characteristics of sheet metal in the vicinity of the drawbead end are different from those in the continuous main part of the drawbead. The full three-dimensional elastic-plastic finite element method is used to analyze the influence of the drawbead end geometry and the clearance between the drawbead and Its groove on the drawbead restraining effect, deformation patterns and strain paths. It is found that wrinkles and tearing are the main defects resulting from improper design of the drawbead geometry. The present analysis is intended to provide some basic information for generating the design guidelines.
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