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- W2981036998 abstract "The springback is one of the main defects in the flexible 3D stretch-bending process. In this paper, according to the orthogonal design of experiments, the numerical simulation analysis of the springback for the 3D stretch-bending aluminum profile is carried out by the ABAQUS finite element software. And to investigate the effect of material properties on the springback, the range analysis of the orthogonal experiment is performed. The results show that these material properties of the aluminum profile (elastic modulus E , yield strength σ y , and tangent modulus E 1 ) might have the biggest influence on the springback of the aluminum profile, and the optimized forming parameters are founded as follows: the horizontal bending degree is 14°, the vertical bending degree is 14°, the number of multipoint stretch-bending dies is 10, the friction coefficient is 0.15, and aluminum alloy grade is 6063. Moreover, the model of the BP neural network for the prediction of the springback is established and trained based on the orthogonal experiment, and the results with the BP neural network model are in good agreement with experimental results. So it is obvious that the BP neural network could predict effectively the springback of 3D multipoint stretch-bending parts." @default.
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- W2981036998 date "2019-10-15" @default.
- W2981036998 modified "2023-09-27" @default.
- W2981036998 title "Springback Study on Profile Flexible 3D Stretch-Bending Process Using the Neural Network" @default.
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- W2981036998 doi "https://doi.org/10.1155/2019/6465196" @default.
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