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Vol. 38 No. 1 (2013): Journal for Technology of Plasticity
Original articles

A numerical analysis of extrusion of square section from round billet through mathematically contoured die with design of die profile

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  • K. Maity,
  • S. Chaubey,
  • S. Rath
K. Maity Department of Mechanical Engineering National Institute of Technology, Rourkela, Odissa, India-769008
S. Chaubey Department of Mechanical Engineering National Institute of Technology, Rourkela, Odissa, India-769008;
S. Rath R&D Division, Sail, Ranchi, India

Published 2013-06-28

Keywords

  • Cosine Die,
  • Square Section,
  • DEFORM-3D,
  • Extrusion,
  • Die-Design
Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

The die profile plays a significant role in smooth flow of material and evolution of uniform microstructure. It is observed that the quality of extruded product is better in converging die in comparison to flat-faced square die in general. The non-linear converging dies have some advantages over linear converging dies in terms of reduction in extrusion load, improvement in flow characteristics and evolution of uniform microstructure. The cosine die profile is observed to be the most ideal die profile with zero velocity discontinuity at the exit and entry plane. In the present investigation a die profile is designed for extrusion of square section from round billet with a cosine die profile. It is proposed to carry out FEM modeling using DEFORM-3D software for lead and aluminum.

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