Optimum die-surface design of gear-spline extrusions using a general surface model

Rong Shean Lee, Jinn Jong Sheu, Yeong Jou Gau

研究成果: Article

6 引文 斯高帕斯(Scopus)

摘要

In this paper, an integrated CAD/CAM/CAE method for the optimum die-surface design of a stream-lined die for straight-sided gear-spline extrusion has been proposed. The die surface is represented by a general surface model. By applying the upper-bound method and the variable metric optimisation scheme, parameters of the die surface, along with those of the velocity field, have been optimised with respect to the minimum extrusion-pressure required. The optimum die-surface was manufactured subsequently, using NC machining to produce the EDM electrode. Extrusion tests for straight-sided gear-splines were then performed, to obtain the extrusion load and the experimental grid-deformation, the theoretical predictions for gear-spline extrusion being found to be in close agreement with the experimental results. Finally, the optimum die-designs for various process conditions are suggested based on the results obtained by the proposed design method.

原文English
頁(從 - 到)365-382
頁數18
期刊Journal of Materials Processing Tech.
28
發行號3
DOIs
出版狀態Published - 1991 十二月

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Computer Science Applications
  • Metals and Alloys
  • Industrial and Manufacturing Engineering

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