Print Page   |   Sign In   |   Join
Online Store: ET '08 Individual Papers
Main Storefront
        

Die Design and Manufacturability Formalization Using the Medial Axis Transform

Item Options
Sign in for your pricing!
Price: $20.00
Quantity: *
 
Description

Die Design and Manufacturability Formalization Using the Medial Axis Transform

Gijs van Ouwerkerk, University of Twente, Enschede, The Netherlands
Tom Vaneker, University of Twente, Enschede, The Netherlands
Fred van Houten, University of Twente, Enschede, The Netherlands
Kjell Nilsen, BOAL Aluminium, De Lier, The Netherlands
Peter Koenis, BOAL Aluminium, De Lier, The Netherlands

Track: EXTRUSION/DIE, THEORETICAL - Dies and Modeling

ABSTRACT --- In combination with the focus on the production of more
specialized products in smaller batches, aluminum extruders in Western Europe
currently face increasing energy prices. This means that the financial and
operational penalty of scrap production is becoming more important. The die is
the key to reducing scrap. Its design and production should be optimized to
increase the quality and stability of the extrusion process. A uniform exit velocity
of the aluminum extrudate is the most important factor for achieving scrap
reduction. In this paper, the development and implementation of a new design
approach for the bearing areas of extrusion dies are discussed. The presented
method links the important design parameters to the exit velocity of the
aluminum extrudate. The exit velocity is calculated on the medial axis, a skeletal
representation of the die cavity. Based on this calculation, all design decisions
and modifications can be quantified. This includes the use of a sink-in with a
variable offset, variable bearing lengths, manufacturability optimizations, and
compensation for the effects of die deflection.

© 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.

Association Management Software Powered by YourMembership.com®  ::  Legal