Steel wire rope for automobile clutch

Abstract

The invention provides a steel wire rope for an automobile clutch. The ingredients of the steel wire rope comprises, by weight, 0.25% to 0.8% of carbon, 0.20% to 0.3% of manganese, 0.016% to 0.018% ofsilicon, 0.01% to 0.02% of nickel, 13% to 16.5% of chromium, 0.001% to 0.003% of boron, 1.0% to 3.0% of molybdenum, 0.01% to 0.1% of rare earth elements, and the balance of iron, the steel wire ropeis a (1+6+7) structure, a middle layer strand is a (1+5) structure, and an outer layer strand is a (1+3+3) structure, the diameter of the outer layer steel wire of the outer layer strand is larger than the diameter of a middle layer steel wire and is smaller than the diameter of the center layer steel wire, the middle layer strand and the outer layer strand are provided with plastic coating layers, and the thickness of the plastic coating layer of the outer layer strand is larger than that of the middle layer strand. According to the invention, the composition elements and content are optimized, the Mn content is reduced, the appropriate amounts of boron, molybdenum and rare earth elements are added, the corrosion resistance and mechanical performance of a cable are improved, the steel wire rope structure is specially designed, the diameters of the strand steel wires are strictly defined, the middle layer strand and the outer layer strand are provided with the plastic coating layers, and the steel wire rope has strong wear resistance, breaking strength, fatigue resistance and long service life.

Description

technical field [0001] The invention relates to the technical field of steel wire rope design and manufacture, in particular to a steel wire rope for an automobile clutch. Background technique [0002] Wire ropes have many uses in automobiles, such as window lift wire ropes, gear shift wire ropes, clutch wire ropes, brake wire ropes, and so on. For the steel wire rope for clutch, its quality will directly affect the personal safety of the driver. Therefore, the steel wire rope for clutch needs to have excellent friction resistance, breaking resistance, ultimate stress and elastic modulus, etc., and also needs to have a long service life. , the general steel wire rope is far from meeting this requirement, so it is necessary to develop a steel wire rope for automobile clutches with excellent comprehensive performance. Contents of the invention [0003] The object of the present invention is to provide a steel wire rope for automobile clutches with strong wear resistance, br...