Wire rope structure is the impact of the actual use of performance and life of the primary factors. Careful analysis of the actual operating conditions, scientific and rational use of wire rope structure is to improve the use of wire rope performance and life base.

In the oil operations or mine to upgrade, the underground part of the free rotation, the wire rope has been subject to tensile and alternating load of the role, so the wire rope is also tightening and unscrewing, the wellhead part of the resistance, underground friction and deformation of the rope itself, Will make the twisting distance of the wire rope has been elongated, which is actually a kind of wire rope in the process of being untwisted.

Uneven cord exposures occurring on the reel occur after untwisting of the wire rope, and this is unavoidable.

The above problems can not explain the existence of wire rope manufacturing problems, but the wire rope structure is not suitable for such conditions, coupled with the special operating environment, the combined effect of the two results.

Ordinary structure of the 6-strand wire rope because of the rotation, hanging freely in the long distance, you have to consider the choice of wire rope's own weight, and the rope must have "resistance to rotation" capacity.

Unreasonable choice of wire rope structure and the special mode of operation is the cause of this form of damage, has been confirmed.