Numerical simulation method for wrinkle defect of automobile panel

Jinwu Wang; Wenjun Lv; Ouyang Yi; Ruifeng Chi; Peng Cang

doi:10.1117/12.2611012

14 October 2021 Numerical simulation method for wrinkle defect of automobile panel

Jinwu Wang, Wenjun Lv, Ouyang Yi, Ruifeng Chi, Peng Cang

Proceedings Volume 11930, International Conference on Mechanical Engineering, Measurement Control, and Instrumentation; 119300W (2021) https://doi.org/10.1117/12.2611012
Event: International Conference on Mechanical Engineering, Measurement Control, and Instrumentation (MEMCI 2021), 2021, Guangzhou, China

Abstract

In recent years, with the extensive use of high strength steel sheet metals in automobile production, the wrinkle resistance of sheet metal, that is, the ability to resist the appearance and development of surface defects, which has been paid increasing attention. The wrinkle in the stamping process may not only cause a large number of waste products, but also easy to scratch the mould. Even if the wrinkle is flattened in the late stamping period, it will leave traces on the surface of the product, affecting the appearance of coating and stamping parts. Although the application of stamping simulation can also predict the wrinkle in the stamping process more accurately, there are few research results on the mechanism of wrinkle occurrence, material property parameters, the influence of stamping die and its process on wrinkle, and the effective control method of wrinkle, which can’t meet the needs of engineering practice. For the last few years, the authors have studied the non-uniform wrinkling process by using the combination of finite element and experiment, in order to master the wrinkling of sheet metals under the non-uniform stretching, determine the critical wrinkling index, and evaluate the anti-wrinkling performance of sheet metals.

Citation Download Citation

Jinwu Wang, Wenjun Lv, Ouyang Yi, Ruifeng Chi, and Peng Cang "Numerical simulation method for wrinkle defect of automobile panel", Proc. SPIE 11930, International Conference on Mechanical Engineering, Measurement Control, and Instrumentation, 119300W (14 October 2021); https://doi.org/10.1117/12.2611012

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