Production plants and technologies
Exel Composites has nine manufacturing units in seven countries.
Manufacturing technologies used by Exel Composites
| Pultrusion |
Pullwinding |
Co-winding |
Continuous lamination |
Other methods |
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Pultrusion refers to pulling plastic raw material through a preformer. This production method is particularly suitable for tubes, profiles etc. reinforced with continuous fibres, involving pulling of impregnated fibers via preformers providing the form as, simultaneously, the plastic is hardened with heat (thermoset) or cooled until solid (thermoplast).
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Pullwinding is a combination of pultrusion and filament winding allowing for the manufacture of thin-walled tubes and profiles.
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In co-winding multi-layer winding of fibers allows for an optimal strength of the product. Conical products, such as cross-country ski poles, can be produced with this method.
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Continuous lamination is used to manufacture very thin composite sheets for example for the ski industry.
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Pre-preg
Filament winding
Extrusion
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Most of the pultrusion technologies have been developed by Exel Composites and their benefits are continuous production, infinite possibility to vary the product structure and the controllability of fibre structure during the different stages of the process. These features guarantee unvarying top quality of the product range.