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An Automatic Speed Programme Generation for SRM

  • G. Pellegrini
  • C. Giardini
  • A. Bugini
Chapter

Summary

One of the most important topics in Stretch Reducing Mill use is the choice of cage speed which produces the desired final thickness of the tube by using as few cages as possible.

In previous papers, the Authors Irm’e presented a FORTRAN code able to link tire set of axial actio IJS along the mill with both the speed programme alld the final till the thickness; IroW attention is focused on predicting tire effects of a known speed programme.

The aim of the present work is to solve the problem in terms of cage speeds, so detemlillillg the stresses and the filial tlrickness of the tube; in this way it is possible to balance the “workload” of the cages, computillg tire speed programme best able to optimize the ratio between tire maximum stress variation, due to each cage, and the corresponding actual variations.

The output of the simulation programme is compared with some experimental data, given by the literature.

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Bibliography

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    Giardini C., Maccarini G., Bugini A., “A stretch-reducing mill (S.R.M.) computer simulation”, Proc. 27th MTDR, Manchester, April 1988.Google Scholar
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    Giardini C., Maccarini G., Pellegrini G., Bugini A., “Geometrical parameters and creep influence in an SRM design”, Proc. 1st Int. Conf. on Metal Forming Machine, Beijing. May 1989.Google Scholar
  3. [3]
    Giardini C., Bugini A., Pellegrini G., “Creep influence in stretch reducing mill computer simulation”, Proc. 28th MTDR, Manchester, April 1990.Google Scholar
  4. [4]
    Raimondi R., “Programming of a stretch-reducing mill at Tamsa, Mexico”, Iron and Steel Eng., May 1964.Google Scholar
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    Raimondi R., “Di una limitazione di lavoro dei laminatoi riduttori-stiratori per tubi”, La Metallurgia Italiana, no. 10, 1964.Google Scholar
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    Johnson L.W., Riess R.D., “Numerical Analysis”, Addison Wesley, 1982.zbMATHGoogle Scholar

Copyright information

© Department of Mechanical Engineering University of Manchester Institute of Science and Technology 1993

Authors and Affiliations

  • G. Pellegrini
    • 1
  • C. Giardini
    • 1
  • A. Bugini
    • 1
  1. 1.Universita’ di BresciaItaly

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