The development of a finite elements based springback compensation tool for sheet metal products.

R.A. Lingbeek, Han Huetink, S. Ohnimus, M. Petzoldt, J. Weiher

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Springback is a major problem in the deep drawing process. When the tools are released after the forming stage, the product springs back due to the action of internal stresses. In many cases the shape deviation is too large and springback compensation is needed: the tools of the deep drawing process are changed so, that the product becomes geometrically accurate after springback. In this paper, two different ways of geometric optimization are presented, the smooth displacement adjustment (SDA) method and the surface controlled overbending (SCO) method. Both methods use results from a finite elements deep drawing simulation for the optimization of the tool shape. The methods are demonstrated on an industrial product. The results are satisfactory, but it is shown that both methods still need to be improved and that the FE simulation needs to become more reliable to allow industrial application.
Original languageUndefined
Pages (from-to)115-125
Number of pages11
JournalJournal of materials processing technology
Issue number169
Publication statusPublished - 2005


  • IR-59545
  • METIS-229401

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