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New igus servo cables with the world’s smallest bend radius


World’s first: The igus servo cables of the CF29 series offer guaranteed safety for the smallest bend radii and extreme temperatures. (Source: igus GmbH)

igus recently presented its new CF29 servo cable series – one of several new high-end cable families for continuous motion in e-chains with an outer jacket made of halogen-free TPE. This product range extension offers completely new possibilities for energy supply to drives, for users with very tough requirements such as ambient temperatures or small installation space as per the company claims.

A core structure optimised for motion combined with a gusset-filling extruded TPE inner jacket that provides even more stability as well as a highly flexible TPE outer jacket are the features of the new CF29 chainflex servo cable series. The high-end series is suitable for the smallest bending factors for servo cables down to 6.8xd and is therefore unique on the market. The new series offers a guaranteed solution in a temperature range of -35° so that it can be even used for moving applications in deep-freeze warehouses. This is made possible by the igus halogen-free TPE outer jacket material, which offers an almost unlimited resistance to oil. This has been used for other chainflex cable series for years.

Even more choices – guaranteed to last
The company claims that all cables were successfully tested in a climatic test chamber with real-world mechanical loads and temperatures, within the 2,750-square-metre-large test laboratory at igus. This allows the cable manufacturer to guarantee a service life of 36 months for all cables. The chainflex service life calculator ( helps users to make the ideal selection, and gives them the expected service life of each cable in double strokes after entering the respective application parameters, claims the company. This allows customers to choose the cable that works reliably in their applications – without having to spend too much.

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