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The Die Does Not Make the Extrusion

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The Die Does Not Make the Extrusion

Paul Robbins, CASTOOL Tooling Systems, Uxbridge, ON, Canada

Track: EXTRUSION/DIE, PRACTICAL - Tooling Performance

ABSTRACT --- In light metal extrusion most of the value added is generated in
the instant that the alloy passes through the die. Until quite recently, the die was
designed, manufactured, and usually modified, to satisfy the requirements of the
press on which it was installed. Little attention was paid to the fact that the
extrusion production process is an interconnected system, and to the extent to
which the efficiency of the die function is influenced by other components.
Today’s focus is no longer on the die itself, but on the function it performs. Until
the alloy enters the die, the prime purpose of every component in the production
process is really to facilitate and enhance the function of the die. The extent by
which any part of the extrusion system aids the die function invariably depends
on effective temperature control. This paper will discuss the influence of several
components on the die function, the importance of their thermal control, and
actual results from a number of presses.

© Extrusion Technology for Aluminum Profiles Foundation (ET Foundation). All rights reserved. No part of The Proceedings may be reproduced in any form without the express written permission of the ET Foundation.

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