Abstract
From test studying, it indicates that the lower strain magnitude and non-homogeneous strain distribution are the causes of oil canning in large flat/sweep areas of stamping product. In order to eliminate oil canning defect, the minimum equivalent strain in deformation zone should be greater than 2 % and the strain gradient be as small as possible. The prediction approach was proposed for oil canning problem based on strain gradient and equivalent strain magnitude, and the approach was integrated into KMAS-UFT software aiming at predicting oil caning problem by CAE analysis. The paper takes hood outer panel as an example and carries out CAE analysis. It is confirmed that the prediction approach is both accurate and effective.
F2012-H08-003
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© 2013 Springer-Verlag Berlin Heidelberg
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Yan, K., Wang, X., Wang, Z., Zhang, Y., Hu, P. (2013). A Prediction Approach for Oil Canning of Sheet Metal Forming Based on Strain Gradient. In: Proceedings of the FISITA 2012 World Automotive Congress. Lecture Notes in Electrical Engineering, vol 199. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33747-5_18
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DOI: https://doi.org/10.1007/978-3-642-33747-5_18
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