Chainflex® continuous-flex cables for cable carriers are designed for linear applications and have been tested over millions of cycles.
However, modern-day automation involves increasingly-complex movements, for example torsional motion on a robot. Whether a cable can cope with torsional demands is very much dependent on the application and type of installation.
Unshielded cables, particularly bundle-stranded Chainflex® types, can be successfully used for torsion applications. On the other hand, shielded cables struggle with these applications, as their shields are generally braided in opposite directions. Torsional movement means some of the shield wires are drawn in one direction, while others are turned in the opposite direction. The woven arrangement and resultant constricted movement in each direction leads to rapid shield breakage.