An Automotive Die Face Compensation Method Considering Blank Thinning and Die Deformation

Abstract:

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In this paper, the thinning rate and die elastic deformation under large forming force are investigated by finite element simulation with experimental validation focused on the problem of coloring rate between die and panel in automotive die manufacturing. The study suggests that when the panel is formed, the thinning rate of panel has little influence on the coloring rate and the die elastic deformation under large forming force is the main influence factor. The contact pressure of die face and punch surface displacement distribution under forming force are got with simulation. With these results the method that die face is compensated reasonably is also proposed. The industrial application shows that the method can reduce the die polishing workloads obviously compared to the traditional method of die face equivalent offset. This paper has a guide for comprehensive understanding the influence factors of coloring rate and greatly reducing the die tryout period.

Info:

Periodical:

Advanced Materials Research (Volumes 291-294)

Edited by:

Yungang Li, Pengcheng Wang, Liqun Ai, Xiaoming Sang and Jinglong Bu

Pages:

2315-2319

DOI:

10.4028/www.scientific.net/AMR.291-294.2315

Citation:

C. F. Men et al., "An Automotive Die Face Compensation Method Considering Blank Thinning and Die Deformation", Advanced Materials Research, Vols. 291-294, pp. 2315-2319, 2011

Online since:

July 2011

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Price:

$35.00

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