Lexicon: R
Rope umbrella
Rope umbrellas are classically stranded onto the stranding system using a stranding machine. As they have no crossing elements, they are characterised by a high degree of flexibility. However, under bending stress, the canopy can open on the outside of the bending point, which leads to a deterioration of the canopy properties at this point. These negative shielding properties can be compensated for by attaching a second cable shield to the stranding in the opposite stranding direction and possibly with a different pitch angle. The shield is applied to wires and cables in the low-frequency range. (All information without guarantee)
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