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Model based strategies for an optimised ribbing design of large forming tools

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Abstract

A proposal is made for the ribbing of large forming tools. In the software developed for this purpose the ribbing structure is pre-optimised by means of an algorithm based on the power-law approach and then post-optimised with a newly developed algorithm for the reduction of the v. Mises stress. The model, intention and functioning of the software are explained. The optimised ribbing structures are analysed on parameterised test geometries and compared with conventional ribbing strategies in respect of manufacturing suitability, casting defects, mechanical properties and residual stress.

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Notes

  1. Also SIMP model. For details cf. [1].

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Acknowledgments

The presented investigations have been carried out within the project “Mathematisch-gießtechnische Optimierung der Verrippung großer Umformwerkzeuge” funded by the German Research Foundation (DFG) under the contracts Ho 2165/28-1 and Sche 233/7-1.

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Authors and Affiliations

  1. Technische Universität München, Zentrum Mathematik, Lehrstuhl für Höhere Mathematik und Analytische Mechanik, Garching, Germany

    Nicholas Drude & Jürgen Scheurle

  2. Technische Universität München, Lehrstuhl für Umformtechnik und Gießereiwesen, Garching, Germany

    Leopold Meier & Hartmut Hoffmann

Authors
  1. Nicholas Drude
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  2. Leopold Meier
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  3. Hartmut Hoffmann
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  4. Jürgen Scheurle
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Correspondence to Leopold Meier.

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Drude, N., Meier, L., Hoffmann, H. et al. Model based strategies for an optimised ribbing design of large forming tools. Prod. Eng. Res. Devel. 3, 435 (2009). https://doi.org/10.1007/s11740-009-0181-1

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