A Scientific Approach to Screw Design

Screw design technology is considered to be empirical and secretive. The production rate of single-screw extruders is often limited by the melting capacity. The melting capacity of a screw depends on the polymer properties, the processing conditions and the particular geometry of the screw. Once the...

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Bibliographic Details
Published in:Journal of reinforced plastics and composites 1998-01, Vol.17 (12), p.1096-1109
Main Author: Chung, Chan I.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Extrusion moulding
Machinery and processing
Moulding
Plastics
Polymer industry, paints, wood
Technology of polymers
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Summary:Screw design technology is considered to be empirical and secretive. The production rate of single-screw extruders is often limited by the melting capacity. The melting capacity of a screw depends on the polymer properties, the processing conditions and the particular geometry of the screw. Once the melting capacity is predicted, the screw can be designed to match the melting capacity. This paper presents a scientific approach to screw design based on an analytical melting model, with an example.
ISSN:0731-6844
1530-7964
DOI:10.1177/073168449801701204