Jiangsu Net Power Equipment Technology Co., Ltd.
Jiangsu Net Power Equipment Technology Co., Ltd.
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Antitwisting nylon rope
Antitwisting nylon rope, also known as braided antitwisting nylon rope or torsion - resistant nylon rope, is a special type of rope with unique properties and wide applications.
I. Structure and Principle of Antitorsion
The antitwisting nylon rope is typically woven with a left - hand twist and a right - hand twist nylon yarn in a regular (cross - helical trajectory) pattern. The number of left - hand twist yarns and right - hand twist yarns is equal, and they are symmetrically woven. The two sets of helical torques balance each other out due to opposite directions, endowing the rope with the characteristic of not rotating when subjected to force.
II. Technical Specifications
Diameter and Mass
The diameter of the nylon yarn used for weaving the antitwisting nylon rope is measured in millimeters. For example, the strand diameter is an important parameter. And the unit mass of the antitwisting nylon rope is calculated as the net mass of the rope in the unraveled state divided by the actual measured length of the rope, with the unit being kg/m. According to relevant calculations, the unit mass=(the total cross - sectional area of the steel wires in the rope×10 - 6×7850×1.06), and the actual mass (excluding the coating oil mass) should not exceed its unit mass by±5%.
Classification and Marking
In terms of classification, it can be divided according to the cross - sectional shape into square and hexagonal shapes. And it can also be classified by the number of strands, such as 8 - strand, 12 - strand, 18 - strand, etc. There are specific marking codes. For example, the first digit is "y" indicating that it is an antitwisting rope. The second digit represents the appearance shape, with square shape represented by "s" and hexagonal shape represented by "l". Subsequent digits represent different parameters such as nominal square diameter, number of strands, number of wires in a strand and its structure type, minimum breaking force of the rope, etc.
III. Applications
In Lifting and Hoisting Operations
In construction sites, ports, and other places where heavy objects need to be lifted, antitwisting nylon rope is used as lifting slings or guy ropes. Its anti - torsion characteristic ensures that when lifting large and heavy - duty objects, the rope will not twist due to the unbalanced force during the lifting process, thus ensuring the safety and stability of the lifting operation.
Marine Applications
On ships, it is used for mooring moorings, towing ropes, etc. In the complex marine environment, the ship is often affected by wind, waves and currents. The antitwisting nylon rope can effectively resist the torsional force generated by these external forces, maintaining the stable mooring of the ship and ensuring the safety of the towing operation.
Mining and Industrial Fields
In underground mining, it is used for hoisting ore, transporting materials in inclined shafts, etc. In industrial plants, it can be used for conveying heavy equipment or materials in some production lines. Its anti - torsion performance helps to ensure the accurate operation of the conveying device and the safety of the transported objects.
Sports and Recreation
In some adventure sports such as rock climbing, sailing, etc., antitwisting nylon rope is also used. In rock climbing, it can be used as a safety rope to ensure that climbers will not be affected by torsional forces during the climbing process. In sailing, it can be used as a guy rope for the sailboat to maintain the stability of the sailboat during sailing.
