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Design points of steel wire rope

Design points of steel wire rope

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2018-10-23
  • Views:47

(Summary description)The design of steel wire rope includes structural design, mechanical performance design, friction performance design and anti-corrosion design.

Design points of steel wire rope

(Summary description)The design of steel wire rope includes structural design, mechanical performance design, friction performance design and anti-corrosion design.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2018-10-23
  • Views:47
Information

The design of steel wire rope includes structural design, mechanical performance design, friction performance design and anti-corrosion design. The structural design is mainly the calculation of the wire rope distribution and the determination of the twisting parameters; the mechanical performance design is to ensure that the breaking force of the whole rope meets the requirements, and the friction performance and anti-corrosion design are to ensure the wear resistance and corrosion resistance of the wire rope. Resist the damage caused by the use environment to the wire rope and ensure that the service life of the wire rope meets user requirements. The following editor of Xianji.com introduces the key points of steel wire rope design.

The primary purpose of steel wire rope design is to ensure its performance and extend its service life as much as possible. Technical measures are adopted to suppress and delay the occurrence of fretting fatigue or corrosion fatigue.

The design of the steel wire rope is based on the basic principles of full circular cross-section, low wire surface wear rate, slow microcrack initiation and growth rate, low corrosion rate, moderate flexibility, concentric layer retaining a certain gap, and high production efficiency. When designing the steel wire rope structure, the basic principle is that the circular cross-section steel wire is full, and the density coefficient of the steel wire rope is increased as much as possible to ensure that the steel wire rope can withstand the greatest possible pulling force, so that the mechanical properties of the steel wire rope can be brought into full play.

In order to achieve the low wear rate of the steel wire surface, specific measures that can be taken include the selection of grease suitable for the use environment, the coating material that can protect the surface of the steel wire, and the hardness matching between the steel wires in contact with each other. Among them, the coating technology It is an important technical means to prevent fretting of the steel wire. The coating material should be firmly combined with the steel wire substrate, wear-resistant and corrosion-resistant. The coating only needs a relatively thin thickness to achieve the ideal protective effect. It cannot be because of the use of the coating. Material and reduce the breaking force of the whole wire rope. The coating material must be able to undergo a certain degree of bending deformation along with the steel wire, and cannot fall off the steel wire matrix during repeated bending and deformation.

Coating is the development direction of steel wire rope manufacturing technology, and coated steel wire rope is an upgraded product of smooth steel wire rope. As far as the actual situation of the steel wire rope manufacturing industry is concerned, the manganese phosphate coated steel wire rope has good fatigue resistance among the steel wire ropes of the same structure, and its fatigue life far exceeds the smooth steel wire rope. The coated steel wire rope is an upgrade of the smooth steel wire rope. product. The point-line composite structure is not only suitable for stranded rope structure, but also for steel wire rope structure. The wire rope twisting equipment will be developed in the direction of large-scale and composite according to needs.

 

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