Cristex supplies a large range of Fabrics and Resin Systems within the UK market.
To order any of the products please get in touch with your requirements.
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Preforms made by the Overbraiding technique:
Overbraiding is the technique used to produce net shape cost-effective structural preforms, during the overbraiding, the braid is placed directly onto a core, which have the inner geometry of the desired preform. By reciprocating the core through the braiding point, a pre-selected number of layers can be braided to obtain the desired wall thickness / aerial weight. The lightweight core can remain in the product or a lost core technique can be used for the production of a hollow product.
Benefits of Overbraiding:
Cost effective method and low waste rates (5-10%)
Reproducible due to computer control and automated processes
Time saving compared to building your own preforms manually
Braiding angles are programmable from 150 to 800
0° (UD) yarns can be integrated to form a tri-axial braid
The ratio between bias and UD can vary from 100/0 up to 15/85
Hybrids are possible in the bias and in the UD direction
Excellent energy absorption in crash structures. Braided structures act as crackstoppers
Braided structures have a good resin permeability
Eccentric products are possible, even banana shaped preforms
Preforms injected with the RTM process can have a fibre volume fraction of 55%
What we offer:
For each product an overbraiding machine and yarn configuration can be selected to produce your optimum preform. We have 11 years of experience in overbraiding and we are able,with our R & D team, do the total preform development at Eurocarbon. When a special braiding machine or extra equipment is needed, we can build it and we can offer a turn-key solution and transfer of know-how, so you can produce your own preforms. Preform developments and preform production can be done entirely in house
For information regarding the products and services that we offer, please don't hesitate to contact us