The patent technology of phosphating coated wire rope is the most advanced technology in the field of wire rope in the world at present. The fatigue life of manganese phosphating coated steel wire rope is 3-4 times that of smooth steel wire rope with the same structure, which can be verified and compared through fatigue test. At present, there is no wire rope with the same structure whose fatigue life can exceed that of phosphating coated wire rope, so the patented technology of phosphating coated wire rope is the most advanced technology, at least in the field of wire rope in the world at present. Manganese phosphating film can improve the wear resistance and corrosion resistance of automobile gearbox steel gear surface, and the gear can be used for more than ten years. The service life of steel wire rope is also extended by using this principle, that is, phosphating coating improves the corrosion resistance and wear resistance of steel wire.
Smooth wire rope:
Smooth steel wire → twisting → winding.
Phosphating coated wire rope:
Smooth steel wire → manganese series or zinc-manganese series phosphating → twisting → winding.
The above is the production process of phosphating coated steel wire rope and smooth steel wire rope. It can be seen that phosphating coated steel wire rope has one more phosphating treatment process of manganese or zinc-manganese system than smooth steel wire rope, and phosphating film is the reason for greatly prolonging fatigue life. for reference only