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Shredder gobbles trim from dimpled sheet.

An edge-trim shredder developed by Hellweg Maschinenbau GmbH in Roetgen, Germany, is believed to be the only one designed to feed trim from dimpled sheet. Model LSZ 150/100 pulls in edge trim with four toothed rolls machined out of solid steel that exert up to 1300 Nm of torque. The unit shreds trim up to 150 mm wide and 1.5 mm thick into 5-mm to 10-mm strips for refeeding into the extruder. Sheet edge trim normally is fed with smooth rollers, but those don't work with dimpled material. Hellweg built the first unit early last year and has delivered nearly a dozen since. Tel. +49 (2471) 4254 *

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Title Annotation:KEEPING UP WITH: Extrusion
Publication:Plastics Technology
Date:Mar 1, 2006
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