Wire rope is a flexible rope twisted by multiple or multiple strands of thin steel wire, twisted by multiple layers of steel wire into strands, and then twisted by a certain number of strands into a spiral rope with the core as the center. In material handling machinery, for lifting, pulling, tensioning, and carrying purposes. Combined with various changes in recent years, the development trend of wire rope in the future:

1. Multi-process cross-twisted wire rope is eliminated

Multi-process cross-twisted wire rope seems simple, but due to the number of layers of steel wire, when the number of adjacent layers of steel wire differs by 6, and when the process design of the same diameter of the remaining layers outside the central steel wire is adopted, the phenomenon of wire skipping occurs frequently in production and use, which has become one of the key problems affecting the quality of the structure wire rope.

Especially in the 4-layer steel wire group, the problem of wire jumping is difficult to solve. The biggest disadvantage of multi-process cross-twisted wire rope is that the point contact between the steel wire layers is very easy to produce early fatigue broken wires that are difficult to find. At the same time, its structural characteristics also determine that the metal filling coefficient is not high, which directly affects the breaking force of the wire rope. It is an inevitable trend that multi-process cross-twisted wire rope is eliminated.

2, parallel twist strand wire rope has been developed.

The appearance of parallel twisted strand wire rope is of great significance in the history of wire rope technology progress. The fundamental reason is that it improves the contact form between the layer and the layer of the group of strands, thereby prolonging the service life of the wire rope, and of course also increases the breaking force of the wire rope. Parallel twisted strand wire rope is widely used in foreign wire rope power countries.

Domestic enterprises should not only speed up the elimination of multi-process cross-twisted strand wire rope, but also have a breakthrough in thinking on the thick rope structure, solve the problem of poor flexibility of parallel twisted strand wire rope, so that the production difficulty is reduced, through the multi-wire rack twisting machine to achieve.

3. The compacted strand wire rope has been developed

The appearance of compacted strand wire rope is based on the parallel twisted strand wire rope. It can further improve the breaking force of the wire rope. The compacted steel wire rope is a key product developed by the world's strong steel wire rope companies such as Germany's Dipa, Britain's Button, South Korea Elephant and Italy's Enduri.

Domestic enterprises: First, the study of compacted non-anti-rotation thick rope, so that the thick rope standard as soon as possible to cover the compacted structure, the development of non-anti-rotation thick rope products. The second is to study the compaction of multi-layer strand thick rope, so that the thick rope standard covers the multi-layer strand structure as soon as possible, forming a professional multi-layer strand thick rope industry chain.