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Three-Dimensional UBET Simulation Tool for Seamless Ring Rolling of Complex Profiles

Authors
Journal
Journal of Manufacturing Processes
1526-6125
Publisher
Elsevier
Publication Date
Volume
6
Issue
2
Identifiers
DOI: 10.1016/s1526-6125(04)70072-9
Keywords
  • Upper Bound Elemental Technique
  • Profile Ring Rolling
  • Metal Forming
  • Seamless Ring Rolling

Abstract

Abstract Simulation of complex ring profiles using an improved Upper Bound Elemental Technique (UBET) is presented in this paper. The profile of the ring is approximated with a collection of triangular-prismatic and rectangular-brick elements. A generalized solution procedure is proposed to find the optimized kinematically admissible velocity field for the unique three-dimensional material flow experienced in shape rolling. Close agreement between numerical results obtained from simulations and available data for profile ring rolling has been observed for high-temperature aerospace materials. It has been demonstrated that the complex ring profiles used in aerospace industry can effectively be simulated using the current software tool.

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