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Gravimetric Extrusion Control Software

Tue, 04/01/2008 - 6:37am
Booth 1328


This continuous gravimetric extrusion control software package offers the ability to control the extruder speed so that its output has a predictable and repeatable mass flow. By accurately measuring material throughput, gravimetric extrusion control can compensate for material and process variations and provide more consistent end-product quality. It is aimed at single-screw flood-fed extruders in both mono- and co-extrusion applications such as profile extrusion, cast sheet, blown film, cable coating, and laminating. Benefits include savings in material costs, accurate multi-layer co-extrusion of films, longer production runs due to consistent extruder output, and the ability to detect problems before the product goes out of specification. The control is based on the principle that extrusion throughput deviation can be detected independent of extruder speed if the material level above the extruder inlet can be measured with sufficient speed and precision.

K-Tron Process Group, Pitman, NJ; 856-589-0500; www.ktronprocessgroup.com

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