Paper Title:
FEM Simulation of Anisotropic Parameters Influencing the Earing in Sheet Metal Deep Drawing Process
  Abstract

Earing is often undesirable in the production of deep drawn containers because it results in a nonuniform cup height. A finite element model for earring analysis is developed considering only the flange area of the sheet. It was found that the draw-in depth of the flange increases with the increase of the r value, and it remains invariable when r value is larger than 2. With the increase of the r value, the max thickness decreases and the min thickness increases. If △r>0, four earings are formed. If △r =0, the material characteristics in all the planar directions are same. The flange uniformly flows into the die cavity, no earing is formed. If △r<0, four earings are formed. The earing distribution is dominated by r0, r45 and r90. Both r and △r have much effect on the earing distribution.

  Info
Periodical
Chapter
Chapter 10: Vibration, Dynamics and Acoustic Control
Edited by
Xingui He, Ertian Hua, Yun Lin and Xiaozhu Liu
Pages
638-641
DOI
10.4028/www.scientific.net/AMM.88-89.638
Citation
L. Chen, "FEM Simulation of Anisotropic Parameters Influencing the Earing in Sheet Metal Deep Drawing Process", Applied Mechanics and Materials, Vols. 88-89, pp. 638-641, 2011
Online since
August 2011
Authors
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Price
$32.00
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