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The Quantitative Effect of Tool Geometry and Strain-Hardening on the Critical Punch Force in Cup Drawing

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Proceedings of the Twelfth International Machine Tool Design and Research Conference

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Summary

A relation between tensile curves and critical punch force in the deep drawing of cylindrical products is developed. Both the work hardening effect and the geometry of the drawing punch are taken into account. A reasonable correspondence between the analytical results and the experimental data can be established. Finally, the practical significance of the mathematical model is shown by giving a criterion for the minimum corner radius of the punch. Moreover, the usefulness of the model is confirmed on the basis of some observations on deep drawability and geometric similarity in formability tests.

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References

  1. OEHLER, G. W., and KAISER, K., ‘Schnitt-, Stanz- und Ziehwerkzeuge’, Springer-Verlag (1957), p. 292.

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  2. KALS, J. A. G., ‘Dieptrekken’, Eindhoven University Press (1969), p. 4. 15.

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  3. ARBEL, C., ‘The Relation between Tensile Tests and the Deep Drawing Properties of Metals’, Sheet Metal Industries, 27 (1950), pp. 921–926.

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  4. SCHRODER, G., and WINTER, K., ‘Super-plastische Werkstoffe—ein Ueberblick’, Industrie-Anzeiger, 92, nr. 20 (1970), pp. 425–430.

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  5. SHAWKI, G. S. A., ‘Assessing Deep Drawing Qualities of Sheet’; Part 1: ‘Stretch-Forming and Wedge-Drawing Tests’, Sheet Metal Ind., 42 (1965) pp. 363–368; Part 2: ‘Deep Drawing Tests’, Sheet Metal Ind., 42 (1965), pp. 41–424; Part 3: ‘Combined Simulative Tests’, Sheet Metal Ind., 42 (1965) pp. 525–532.

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Author information

Authors and Affiliations

  1. Eindhoven University of Technology, Holland

    J. A. G. Kals

Authors
  1. J. A. G. Kals
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Editor information

Editors and Affiliations

  1. University of Manchester Institute of Science and Technology, UK

    F. Koenigsberger (Professor of Machine Tool Engineering) (Professor of Machine Tool Engineering)

  2. Department of Mechanical Engineering, University of Birmingham, UK

    S. A. Tobias (Chance Professor and Head of Department) (Chance Professor and Head of Department)

Copyright information

© 1972 Macmillan Publishers Limited

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Kals, J.A.G. (1972). The Quantitative Effect of Tool Geometry and Strain-Hardening on the Critical Punch Force in Cup Drawing. In: Koenigsberger, F., Tobias, S.A. (eds) Proceedings of the Twelfth International Machine Tool Design and Research Conference. Palgrave, London. https://doi.org/10.1007/978-1-349-01397-5_47

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  • DOI: https://doi.org/10.1007/978-1-349-01397-5_47

  • Publisher Name: Palgrave, London

  • Print ISBN: 978-1-349-01399-9

  • Online ISBN: 978-1-349-01397-5

  • eBook Packages: EngineeringEngineering (R0)

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