How to judge the quality of stainless steel wire rope good and bad
Inspection of stainless steel wire rope quality is good or bad in the following ways:
1, the appearance of size inspection: stainless steel wire rope diameter (including roundness) surface, structure, twisting method and twisting quality and other items of inspection.
2, stainless steel wire rope strand split test: stainless steel wire rope strand partially or completely disassembled or monofilament for the test to calculate the stainless steel wire rope within the steel wire breaking tensile total and assessment of stainless steel wire rope within the steel wire performance.
3, stainless steel wire rope breaking tensile test: determination of stainless steel wire rope in the unidirectional static tension, the ability to withstand the breaking tension test.
4, relaxation test: stainless steel wire rope under the action of the initial tension, after a certain period of time, to determine the loss of stress test.
5, flattening test: determination of stainless steel wire rope in the deformation degree of the test along the pressure.
6, fatigue test: determination of stainless steel wire rope under the action of specified alternating pressure, the ability to withstand repeated bending test. Stainless steel wire rope: a flexible rope twisted with multiple or multiple strands of fine steel wire, wire rope is twisted into strands from multiple layers of steel wire, and then centered on the core of the rope, twisted by a certain number of strands into a spiral rope. In the material handling machinery, for lifting, traction, tensioning and carrying purposes. Steel wire rope has high strength, light weight, smooth working, not easy to break suddenly, and reliable working.
Key words:
spring steel wire
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