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A Cad/Cam Package for Dies for Cold Extrusion of Cans

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Proceedings of the Twenty-Sixth International Machine Tool Design and Research Conference

Summary

This paper describes a microcomputer program for aiding the design and manufacture of dies for cold extrusion of cans. Important design parameters are examined and discussed. The program as yet, deals with only cylindrical products. On accessing the program, the user is presented with a generalised sectional view of a can. Dimensions of the particular can to be manufactured are keyed in. Details of billet material and billet diameter are also input, in the form of answers to questions displayed on a screen. The program then caluclates extrusion pressure, punch pressure and container pressure. An appropriate die design is then displayed, based on recommendations published by the International Cold forging Group (ICPG). If a preforming operaton is required, a die is designed for this and displayed also. The user may modify any aspect of the designs if it is considered advantageous, by keying in new dimensions. When Acceptable designs have been achieved, tapes for machining the dies on an NC lathe can be obtained.

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References

  1. An upper-bound approach to plane-strain forging and extrusion. H. KUDO. Int.J. Mech. Sci. Vol.1 pp57–83 1960.

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Author information

Authors and Affiliations

  1. Beijing Institute of Aeronautics and Astronautics, People’s Republic of China

    H. Y. Shi

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

    T. A. Dean

Authors
  1. H. Y. Shi
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  2. T. A. Dean
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Editor information

Editors and Affiliations

  1. Division of Manufacturing and Machine Tools Department of Mechanical Engineering, UMIST, UK

    B. J. Davies (Professor of Manufacturing Technology) (Professor of Manufacturing Technology)

Copyright information

© 1986 Department of Mechanical Engineering University of Manchester Institute of Science and Technology

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Cite this chapter

Shi, H.Y., Dean, T.A. (1986). A Cad/Cam Package for Dies for Cold Extrusion of Cans. In: Davies, B.J. (eds) Proceedings of the Twenty-Sixth International Machine Tool Design and Research Conference. Palgrave, London. https://doi.org/10.1007/978-1-349-08114-1_6

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  • DOI: https://doi.org/10.1007/978-1-349-08114-1_6

  • Publisher Name: Palgrave, London

  • Print ISBN: 978-1-349-08116-5

  • Online ISBN: 978-1-349-08114-1

  • eBook Packages: EngineeringEngineering (R0)

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