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A New Extrusion Press Concept

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A New Extrusion Press Concept

Paolo Fraternale, Danieli & C., Officine Meccaniche S.p.A., Breda Division, Cinisello
Balsamo, Italy

Track: EXTRUSION EQUIPMENT - Safety and Automation

ABSTRACT—Downsizing and energy savings are key words in the automotive industry. Danieli
Breda & C.’s R&D department studied a way to quench the cylinders’ thirst for oil between the
empty dead cycle time and the extrusion phase, and has patented a 23MN extrusion press
prototype that completely discards the old dead cycle time. The project is based on twin
containers laterally shifting. During extrusion, the billet that waits to be processed can be loaded
outside the extrusion axis; at the end of the extrusion, the twin containers shift laterally and the
new extrusion can start immediately. In this way, the cylinders’ oil demand is balanced during
dead cycle time and extrusion phase, so that the number of installed pumps depends just on the
extrusion speed. Last but not least, the dead cycle time is drastically reduced.

© 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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