Controlling Springback With Compensation Strategies

Jochen Weiher; Bert Rietman; Kim Kose; Stephan Ohnimus; Martin Petzoldt

doi:10.1063/1.1766660

Controlling Springback With Compensation Strategies

Jochen Weiher, Bert Rietman, Kim Kose, Stephan Ohnimus, Martin Petzoldt

University of Twente

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Abstract

Several measures are applied in order to reduce springback but it is not always possible to reduce springback sufficiently. Therefore techniques have been developed to counter springback by modification of the tool shape (overbending). In this paper the smooth displacement adjustment method (SDA) for springback compensation is presented. The discrete springback displacement field is approximated by an L2-projection of suitable continuous smooth functions. Multiplied by a compensation factor the approximating continuous displacement field is applied to the tool surface including the addendum. An application of the new method on an industrial part is demonstrated. The main advantage is the easy handling of the method

Original language	Undefined
Pages (from-to)	1011-1015
Journal	AIP conference proceedings
Volume	712
DOIs	https://doi.org/10.1063/1.1766660
Publication status	Published - 2004

Keywords

IR-76532

Access to Document

10.1063/1.1766660

numiform2004

Cite this

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AU - Weiher, Jochen

AU - Rietman, Bert

AU - Kose, Kim

AU - Ohnimus, Stephan

AU - Petzoldt, Martin

N1 - MATERIALS PROCESSING AND DESIGN: Modeling, Simulation and Applications - NUMIFORM 2004 - Proceedings of the 8th International Conference on Numerical Methods in Industrial Forming Processes

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AB - Several measures are applied in order to reduce springback but it is not always possible to reduce springback sufficiently. Therefore techniques have been developed to counter springback by modification of the tool shape (overbending). In this paper the smooth displacement adjustment method (SDA) for springback compensation is presented. The discrete springback displacement field is approximated by an L2-projection of suitable continuous smooth functions. Multiplied by a compensation factor the approximating continuous displacement field is applied to the tool surface including the addendum. An application of the new method on an industrial part is demonstrated. The main advantage is the easy handling of the method

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