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Carbon fibre linear guides are up to 60% lighter

20 November, 2015

The German plastics engineering specialist igus has developed a linear guide system that is made entirely of carbon fibre reinforced plastic (CFRP), making it up to 60% lighter than traditional steel rail systems, and 40% lighter than aluminium rail. As well as saving weight, the drylin W guides are said to be stiffer than metallic guides, and to be non-magnetic. They need no lubrication, and are therefore maintenance-free.

“The one-piece carriage, combined with iglidur L250 tribo-optimised plastic, running on carbon fibre rails, creates what may be the lightest linear system in the world,” says Rob Dumayne, a director of igus in the UK.

The guide system, available for travel lengths of up to 2 metres, is aimed at aerospace and motorsport applications, where light weight is vital, or at applications where high dynamic movements are important, such as in robots.

igus' carbon fibre linear guide is up to 60% lighter than a steel equivalent

The rail is available in a completely metal-free, belt-drive version, with plastics pulleys and ball bearings, making it suitable for use in X-ray equipment.

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