Single Screw Extrusion


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Overview

Single screw extrusion is one of the core operations in polymer processing and is also a key component in many other processing operations. The foremost goal of a single screw extrusion process is to build pressure in a polymer melt so that it can be extruded through a die or injected into a mold. Most machines are plasticating: they bring in solids in pellet or powder form and melt them as well as building pressure.

Process Schematic

(Click to enlarge)

References

The most complete and up-to-date reference is probably:
Chris Rauwendaal, Polymer Extrusion, Hanser Publishers, New York (1990) ISBN 3-446-16080-9.

Suppliers of Single Screw Extruders

Battenfeld
Cincinnati Milacron
Davis-Standard
Randcastle
Wayne Machine and Die Company

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Polymer processing operations often present numerous safety hazards.
You should obtain advice from an experienced professional or consultant.

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