1. General presentation
1.1 Definition and presentation
First of all, extrusion is a continuous process in which the heart of the device is an extruder (cf. articles , and ). This comprises one or more screws rotating inside a temperature-regulated barrel with heating and cooling systems. The polymer is fed in, often in solid form of pellets or powder.
The main functions of the extruder are to feed, convey, melt, homogenize and pressurize the polymer, so that it can finally pass through the die placed at its end.
Extrusion lines are mainly used for:
the manufacture of finished or semi-finished products such as pipes, plates and various profiles;
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General presentation
Examples of industrial applications
References
Also in our database
Tools
Akro-co Twin Screw Temarex (USA) http://www.temarex.com/extrus.htm
Extrud7 –2000 Scientific Process & Research (USA) http://www.spar.com
Ludovic SCC (France) http://www.scconsultants.com
...Events
ANTEC (SPE Annual Technical Conference) http://www.4spe.org
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Single-screw extruders
AKMA (Germany) http://www.akma-kg.de
AMUT (Italy) http://www.amut.it
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