Paper Title:
The Study on Multi-Factor Coupling Numerical Simulation for Vehicle Cover Panel Stamping Forming
  Abstract

This article uses UG to establish the three-dimensional model for the automobile cover panel parts, and establish a parts technological addendum surface and binder surface. This model has been converted to DYNAFORM, in which the parts finite element model is established. It also uses DYNAFORM software to carry out simulation analysis and orthogonal analysis of the geometric parameters of rib, obtaining the influence rule of the drawbead geometric parameters to drawbead resistance. It has studied the influence of many factors on the parts forming such as blank size, blank holder force(BHF), the material parameter and so on. The result shows that during the process of stamping, the shape and size of blank has played an important role in the sheet flowing; BHF has a great influence upon the wrinkling and cracking of the parts; material parameter, the value of r, mainly affects the drawing deformation while the value of n produces a great impact on the plane strain, bulging deformation. Through optimizing the shape and size of the blank and BHF, it obtains the best material properties parameters to satisfy the parts smooth forming that is: 0.25, 2.15. After the scene stamping production, it confirms the practicality of the optimization solutions.

  Info
Periodical
Advanced Materials Research (Volumes 156-157)
Edited by
Jingtao Han, Zhengyi Jiang and Sihai Jiao
Pages
320-325
DOI
10.4028/www.scientific.net/AMR.156-157.320
Citation
X. G. Qiu, H. A. Yi, "The Study on Multi-Factor Coupling Numerical Simulation for Vehicle Cover Panel Stamping Forming", Advanced Materials Research, Vols. 156-157, pp. 320-325, 2011
Online since
October 2010
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Price
$32.00
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