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A new approach to determine the wear coefficient for wear prediction of sheet metal forming tools

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Abstract

Accounting for the increase of wear in metal forming tools, it is eminent to have detailed information about the tool lifetime already during the tool design. With the wear simulation tool REDSY—developed at the Institute of Metal Forming and Casting—tool wear can be simulated qualitatively and quantitatively for sheet metal forming processes. The calculations are based on Archard’s wear model, a model using contact mechanics to describe the wear behavior. In this project, a new approach to determine the wear coefficient has been developed using a simple cylindrical cup deep drawing experiment for the wear measurements. Several tool and sheet material combinations were analyzed using a five-stage progressive die tool in a precision automatic punching press in order to achieve a high wear volume in a short period of time. The wear coefficient for the respective material combination could be determined combining the experimental results with simulation. This method is verified by comparing the wear simulation results with actual measurements.

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Authors and Affiliations

  1. Institute of Metal Forming and Casting, Technische Universität München, Walther-Meissner-Str. 1, 85747, Garching, Germany

    H. Hoffmann, G. Nürnberg, K. Ersoy-Nürnberg & G. Herrmann

Authors
  1. H. Hoffmann
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  2. G. Nürnberg
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  3. K. Ersoy-Nürnberg
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  4. G. Herrmann
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Corresponding author

Correspondence to G. Nürnberg.

Additional information

This project was funded by Germany’s Bundesministerium für Wirtschaft und Arbeit (BMWA) over Arbeitsgemeinschaft industrieller Forschungsvereinigungen “Otto von Guericke” e.V. (AiF). Project code: AiF14291N.

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Hoffmann, H., Nürnberg, G., Ersoy-Nürnberg, K. et al. A new approach to determine the wear coefficient for wear prediction of sheet metal forming tools. Prod. Eng. Res. Devel. 1, 357–363 (2007). https://doi.org/10.1007/s11740-007-0065-1

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  • DOI: https://doi.org/10.1007/s11740-007-0065-1

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