Numerical product design: Springback prediction, compensation and optimization


Meinders, T. and Burchitz, I.A. and Bonte, M.H.A. and Lingbeek, R.A. (2007) Numerical product design: Springback prediction, compensation and optimization. International Journal of Machine Tools and Manufacture, 48 (5). pp. 499-514. ISSN 0890-6955

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Abstract:Numerical simulations are being deployed widely for product design. However, the accuracy of the numerical tools is not yet always sufficiently accurate and reliable. This article focuses on the current state and recent developments in different stages of product design: springback prediction, springback compensation and optimization by finite element (FE) analysis. To improve the springback prediction by FE analysis, guidelines regarding the mesh discretization are provided and a new through-thickness integration scheme for shell elements is launched. In the next stage of virtual product design the product is compensated for springback. Currently, deformations due to springback are manually compensated in the industry. Here, a procedure to automatically compensate the tool geometry, including the CAD description, is presented and it is successfully applied to an industrial automotive part. The last stage in virtual product design comprises optimization. This article presents an optimization scheme which is capable of designing optimal and robust metal forming processes efficiently.
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Copyright:© 2007 Elsevier
Engineering Technology (CTW)
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