Rotation resistant wire rope is designed to minimize load rotation during a lift. When lifting with other types of wire rope, elongation and rotation is normal. This can cause a load to spin, possibly out of control, which is a serious safety issue. Thus, rotation resistant wire rope is essential for any application where a load is lifted by a single line.
Rotation resistant wire rope is created by twisting the outer layer of the rope in the opposite direction to the inner layers of the rope. When under tension the opposing rotational forces cancel each other out.
Hercules SLR offers a wide selection of rotation resistant wire rope products and can custom fabricate rotation resistant wire rope products for specific requirements.
– Single layer-consisting of a single layer of three or four strands. Typically, the strands support one another without a core member.
– Multilayer strand (Multistrand): two or more strand layers that are closed in opposite directions. Each layer of the rope generates torsional pressures that balance each other out, reducing rotation.
– It is used on loads when there is a need for reduced spinning of rotating under the load.
– It’s important to remember that the amount of strand layers has an impact on rotational resistance. The resistance of a two-layer rope is lower than that of a three-layer rope. As a result, the more layers a rope has, the greater its rotation resistance.
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