Fast 3D inverse simulation of hot forging processes via Medial Axis Transformation: An approach for preform estimation in hot die forging

Research output: Contribution to journalArticleResearchpeer review

Authors

  • A. Santangelo
  • P. Blanke
  • T. Hadifi
  • F. E. Wolter
  • B. A. Behrens
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Details

Original languageEnglish
Pages (from-to)409-416
Number of pages8
JournalProduction Engineering
Volume7
Issue number4
Publication statusPublished - 5 Apr 2013

Abstract

In hot die forging processes, the selection of an ideal preform is of great importance with respect to cavity filling and mechanical load. The common procedure in order to define an adequate preform is the usage of Finite-Element-Analysis (FEA), usually as an iterative process in which various preforms are tested with regard to their suitability. An approach that aims at reducing the number of trials by proposing a first estimation of a suitable preform is presented in this paper. It is conjectured that the material flow paths and resistance can be described by the cavity shape using the Medial Axis Transformation. Based on this, a local inverse material flow for time discrete steps is calculated. The result is a first estimation of an adequate preform shape within a few minutes as an input for further FEA. FE-based parametric design optimization procedure is then presented and compared to the inverse approach, which is identified as a useful complement for the forward simulation technique.

Keywords

    Hot die forging, Medial Axis Transformation, Preform estimation

ASJC Scopus subject areas

Cite this

Fast 3D inverse simulation of hot forging processes via Medial Axis Transformation: An approach for preform estimation in hot die forging. / Santangelo, A.; Blanke, P.; Hadifi, T. et al.
In: Production Engineering, Vol. 7, No. 4, 05.04.2013, p. 409-416.

Research output: Contribution to journalArticleResearchpeer review

Santangelo, A, Blanke, P, Hadifi, T, Wolter, FE & Behrens, BA 2013, 'Fast 3D inverse simulation of hot forging processes via Medial Axis Transformation: An approach for preform estimation in hot die forging', Production Engineering, vol. 7, no. 4, pp. 409-416. https://doi.org/10.1007/s11740-013-0461-7
Santangelo, A., Blanke, P., Hadifi, T., Wolter, F. E., & Behrens, B. A. (2013). Fast 3D inverse simulation of hot forging processes via Medial Axis Transformation: An approach for preform estimation in hot die forging. Production Engineering, 7(4), 409-416. https://doi.org/10.1007/s11740-013-0461-7
Santangelo A, Blanke P, Hadifi T, Wolter FE, Behrens BA. Fast 3D inverse simulation of hot forging processes via Medial Axis Transformation: An approach for preform estimation in hot die forging. Production Engineering. 2013 Apr 5;7(4):409-416. doi: 10.1007/s11740-013-0461-7
Santangelo, A. ; Blanke, P. ; Hadifi, T. et al. / Fast 3D inverse simulation of hot forging processes via Medial Axis Transformation : An approach for preform estimation in hot die forging. In: Production Engineering. 2013 ; Vol. 7, No. 4. pp. 409-416.
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abstract = "In hot die forging processes, the selection of an ideal preform is of great importance with respect to cavity filling and mechanical load. The common procedure in order to define an adequate preform is the usage of Finite-Element-Analysis (FEA), usually as an iterative process in which various preforms are tested with regard to their suitability. An approach that aims at reducing the number of trials by proposing a first estimation of a suitable preform is presented in this paper. It is conjectured that the material flow paths and resistance can be described by the cavity shape using the Medial Axis Transformation. Based on this, a local inverse material flow for time discrete steps is calculated. The result is a first estimation of an adequate preform shape within a few minutes as an input for further FEA. FE-based parametric design optimization procedure is then presented and compared to the inverse approach, which is identified as a useful complement for the forward simulation technique.",
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