108) Geweven afwerking Roll Wrapped Koolstofvezelbuis

Veel mensen geven de voorkeur aan de natuurlijke afwerking van deze koolstofproducten, maar als je ze wilt verven voor je specifieke toepassing, dan kan dat. Een lichte toets met een fijn schuurpapier zoals korrel 1200 nat en droog papier en een grondige ontvetting en reiniging met een mild reinigingsmiddel of een alcoholdoekje is alles wat nodig is om het oppervlak voor te bereiden op verf.

Yes, there would be plenty of applications where these tubes could be used in conjunction with linear bearings. Having said that, there would also be some applications where carbon fibre tubes - in general - would be less well suited. On the other hand, if the action of the linear bearing is reasonably slow and controlled and is occasional then I would have no hesitation. If the action is fast and frequent, or even constant, then carbon fibre tubes probably aren't the best option.

The reason for this is that carbon fibre (even when coated like these woven finish tubes are) is relatively susceptible to wear and abrasion, especially compared to homogeneous plastics or metals. Although a linear bearing minimises the abrasion action (by not sliding over the tubes surface) there is still a wear factor and that's why I would say occasional action would be fine but constant action would not.

The Woven Finish tubes can be used in this way no problem. The high number of fibres down the tubes length will aid general stiffness of the tube which will help for this kind of application.

The maximum service temperature of the tubes is limited by the lacquer they have been painted to, which is no higher than about 50°C. The pre-preg itself will be fine up to 100°C. If cosmetics are not an issue, then you can sand the clear lacquer off the tubes.

+/- 0.3mm on the OD and ID means that the OD could be the stated OD plus a up to 0.3mm or minus up to 0.3mm and the ID could be the stated ID plus up to 0.3mm or minus up to 0.3mm. In practice, these are both on the 'high side' and, in particular, the tolerance on the ID for a roll wrapped tube is likely to be significantly tighter due to the tubes being made around an accurate mandrel.

Helaas is het niet mogelijk om een bruikbare draad in koolstofvezelcomposieten te snijden. De aard van het materiaal is zodanig dat de tanden op een schroefdraad geen enkele belasting aankunnen en zouden breken tijdens het draaien van de schroefdraad of tijdens de eerste poging om de schroefdraad te gebruiken.

Als het wenselijk is om de buis of stang met schroefdraad te bevestigen, is het gebruikelijk om een aluminium inzetstuk in de buis of op het uiteinde van de stang te maken en te verlijmen.

We don't have figures for the torsional strength of our roll wrapped carbon fibre tubes because they're not really designed for torsional load applications. These figures would be calculable (from the layup schedule and the fibre properties) but it's very involved work. Tubes designed for torsional load, like a prop-shaft or steering column, would normally make extensive use of +/-45° (or similar) fibre orientation because 0 or 90° fibre orientation means that the torsional load would try to shear the tube. If you wanted to 'adapt' a roll wrapped tube like this to improve its torsional load capabilities then laminating some layers of our Carbon Fibre Braided Sleeve would add significant +/-45° fibre orientation and so torsional strength. Our EL2 Epoxy Laminating Resin would make a good resin to wet the braid out with and our Composites Shrink Tape could be used to consolidate the resin/braid whilst it cures.

Unfortunately not. Our roll wrapped tubes are only available in the listed wall thickness and diameters.

No, the maximum length available for our standard roll wrapped tubes is 2.5m. Our woven finish roll wrapped tubes are available in lengths up to 2m. Unfortunately we can't supply tubes in lengths longer than those listed on the website.

The maximum service temperature of the Roll Wrapped Carbon Fibre tubes is 80°C.

There is no manufacturers tolerance for the straightness of these tubes due to the method of manufacture. As such they are not available to any specific set tolerance in terms of straightness. However if you have a specialist requirement or use for these tubes, please get in contact and we can measure the current stock to see if they meet with your requirements.