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Finite element analysis and optimization on springback reduction
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DOI：10.1016/S0890-6955(98)00031-5.png)
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Abstract
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Several springback reduction techniques used in the U-channel bending processes were analyzed with the finite element method, which included are bottoming, pinching die, spanking and movement techniques. The relationship between the amount of springback and the forming parameters in each technique was first established through finite element simulations, and then the optimization analysis was coupled with the finite element analysis to find the optimum forming parameters for each springback reduction technique. (C) 1998 Elsevier Science Ltd. All rights reserved.
Keywords:
springback
finite element method
optimization
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