Summary
Up to now, empirical design of tubes multi-pass drawing schemes remains frequent. So, to improve the design, a new three steps strategy is developed: step one testing and grading the involved schemes set with kinematic and static element approaches; step two testing the selected scheme with analogical experiments; step three testing again the selected scheme by finite element approach.
In the static and kinematic element methods, plastic isotropic constitutive equations are considered for bulk properties and isotropic friction sublayer equation for interface properties. Velocities, strains and strain rates are easily calculated from kinematic element ETIRC software with regard to bulk and interface properties, tools geometry and plug position. Stresses and contact pressures are also quickly obtained from static element ETISLAB software.
For the finite element approach, viscoplastic isotropic constitutive equations and general isotropic interface equations are implemented in ASTRID software and an other prediction of strain and stress is achieved.
Examples of numerical simulation with the above methods and related softwares are given to illustrate the interest of the proposed strategy.
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References
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© 1988 Kluwer Academic Publishers
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Rigaut, J.M., Lochegnies, D., Oudin, J., Gelin, J.C., Ravalard, Y. (1988). Numerical Analysis of Cold Drawing of Tubes. In: Chenot, J.L., Oñate, E. (eds) Modelling of Metal Forming Processes. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1411-7_29
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DOI: https://doi.org/10.1007/978-94-009-1411-7_29
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-7131-4
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