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3. Hollow body production processes
Since the 1940s, hollow revolution bodies have been made from filament-wound thermoset composites.
Our mastery of mechanics, computer-controlled automation and filament winding technology has been a constant process, and in the space of 60 years we have developed fully-programmable, digitally-controlled machines capable of producing hollow bodies up to 5 m in diameter, and processing 500 kg of composite per hour.
Other less advanced technologies are used to manufacture hollow bodies, such as centrifugal and bladder molding.
Hollow bodies of any shape or revolution are manufactured using the same processes as for TDA, such as filament winding or bladder molding.
3.1 Filament winding
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Hollow body production processes
Moulding of small and medium production runs
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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