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The steel wire rope is a spiral steel wire bundle that twists the steel wires that meet the requirements of mechanical properties and geometric dimensions together according to certain rules. The steel wire rope is composed of steel wire, rope core and grease. Steel wire rope is a kind of rope that is twisted into strands by multi-layer steel wires, and then twisted into a spiral shape by a certain number of strands with the rope core as the center. In material handling machinery, it is used for lifting, traction, tension and bearing. The steel wire rope has high strength, light weight, stable operation, not easy to break suddenly, and reliable operation. The steel wire rope needs to bear the alternating load during its use, and its service performance is mainly determined by the mechanical properties of the steel wire, the surface state of the steel wire and the structure of the steel wire rope. The steel wire material includes carbon steel or alloy steel, which is made by cold drawing or cold rolling. The cross section of the steel wire is round or shaped (T-shaped, S-shaped, Z-shaped). The steel wire with shaped cross section is mainly used for the production of sealed steel wire rope, which has high tensile strength and toughness. The steel wire is properly surface treated to meet the needs of different service environment conditions. characteristic：1. the steel wire rope can transmit long-distance load.2. large bearing safety factor, safe and reliable use.3. the self weight is light and easy to carry and transport.4. it can bear various loads and variable loads.5. it has high tensile strength, fatigue strength and impact toughness.6. under high-speed working conditions, it has good wear resistance, earthquake resistance and operation stability.7. it has good corrosion resistance and can work normally in the harsh environment of various harmful media.8. good softness, suitable for traction, pulling, binding and other purposes.
The production of steel wire rope includes three basic processes: wire drawing, twisting and rope closing. The materials are carbon steel and stainless steel, and the surface can be phosphated, galvanized and plastic coated.
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