Paper Title:
New Concepts for Cooling of Extrusion Dies Manufactured by Rapid Tooling
  Abstract

To prevent local overheating of the workpiece material in hot aluminum extrusion the influence of die cooling was investigated. Numerical simulations of extrusion revealed an advantage of the die bearing cooling, which can be accomplished by locating the cooling channels close to the die/bearing surface. Since the fabrication of especially geometric complex cooling channels located near the die surface is not possible by conventional manufacturing technologies, the technology of rapid tooling was introduced into hot aluminum extrusion and experimentally tested. Cooling channels near to the bearings show promising results allowing extensions of extrusion limits, especially the extrusion speed and therefore productivity.

  Info
Periodical
Edited by
Luca Tomesani and Lorenzo Donati
Pages
223-232
DOI
10.4028/www.scientific.net/KEM.491.223
Citation
R. Hölker, A. Jäger, N. Ben Khalifa, A. E. Tekkaya, "New Concepts for Cooling of Extrusion Dies Manufactured by Rapid Tooling", Key Engineering Materials, Vol. 491, pp. 223-232, 2012
Online since
September 2011
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$32.00
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