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2. Profile production processes
2.1 Pultrusion
It's a process resulting from the English verb "to pull", and the end of the term "extrusion", a process used in the thermoplastics industry.
Both pultrusion and extrusion are designed to produce profiles, and use in-line equipment whose main components are the dies and the drawing bench.
Extrusion is the pushing of a material through a die, while pultrusion is the pulling of a resin-preimpregnated fibrous support through a die using a powerful traction bench (500 to 1,000 daN).
TDA pultrusion began in the 1960s and now accounts for 4% of the total European TDA market.
The various studies begun in the 1980s on thermoplastic pultrusion (TP) by impregnating fibrous reinforcements...
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Profile production processes
Hollow body production processes
Economic data
Table 1 shows the comparative values and costs of the various TP composite product families.
Bibliography
SGVI and SGVR conferences
Trainee reports St-Gobain Vetrotex International
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Technical documentaries and exhibitions (Europlastique Paris, Plast Milan, Kunstoff Dusseldorf)
Coperion Wernet http://www.coperion.com/
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Standardization
Association Française de Normalisation AFNOR http://www.afnor.org
- Plastiques - Détermination des propriétés en flexion. - NF EN ISO 178 - 05-03
- Plastiques - Détermination des propriétés en flexion - Amendement 1 : déclaration de fidélité. - NF EN ISO 178/A1 - 07-05
- Plastiques - Détermination de la résistance au choc Charpy...
DLFT machine suppliers
(Non-exhaustive list)
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Extrusion-compression
CPI Composite Products Inc. http://www.compositeproducts.com
Dieffenbacher http://www.dieffenbacher.de
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