As a commonly used industrial material, wire rope has high strength, high stiffness and good wear resistance, and is widely used in the fields of safety protection and building decoration. Wire rope mesh, as a form of wire rope application, is also getting more and more attention because of its superior visibility, load-bearing capacity and aesthetic appearance. However, when choosing wire rope mesh, several factors need to be considered, such as the required strength, stiffness, visibility and cost. We will introduce how to choose the right rope mesh wire rope diameter based on the actual use and requirements, as well as the characteristics and applications of commonly used wire rope structures and wire rope diameters.
Wire Rope Structure
Common wire ropes are available in 2 structures: 7 × 7 and 7 × 19. Among them, 7 × 7 structure wire rope consists of 7 steel wire strands and each strand is braided by 7 steel wires; 7 × 19 structure wire rope consists of 7 steel wire strands and each strand is braided by 19 steel wires; The larger the diameter of a wire rope, the bigger its breaking force, the greater the number of strands, the better its flexibility. When choosing wire rope mesh, it is necessary to consider various factors according to the actual use and requirements to determine the most suitable wire rope structure and wire rope diameter.
The structure with wire rope diameter of 1.2 mm, 1.6 mm, 2.0 mm and 2.4 mm is 7 × 7; while the structure with wire rope diameter of 3.2 mm and 4.0 mm is 7 × 19.
Wire Rope Diameter
Wire Rope Elasticity
When a steel wire rope is assembled and subjected to a load, it follows Hooke's Law; the elastic stretch will be proportional to the applied load. In other words, the greater the load, the greater the elastic elongation. The resistance of the steel wire rope to this elastic elongation is determined by its modulus of elasticity. The modulus of elasticity is an inherent property of a material that represents its ability to undergo elastic deformation when subjected to a force. The higher the modulus of elasticity, the greater the resistance of the material to elastic elongation.
The elastic stretch can be calculated by the following formula:
Elastic stretch = (W × L) / (E × A)
If you want to improve the load-bearing capacity and stability of the wire rope, you can choose a wire rope with a larger modulus of elasticity. In this way, when subjected to a load of the same size, the degree of deformation of the wire rope will be smaller, thus improving its load-bearing capacity and stability.
Wire Rope Glossary
BL: It refers to the stress that, when applied to a structural member, is just enough to fracture or rupture it, also known as the ultimate load.
SWL: It refers to the load that a wire rope can withstand without causing any type of damage to it. It is important to note that the safe working load is much lower than the breaking strength.
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