It is known that copper wire plays an important role in national production, although the electrical conductivity of gold and silver are as good, but copper is low compared to gold and silver, so it is used in the manufacture of electricity, integrated circuit lead frames, rectifiers, circuit boards, various switches, telecommunications transmission cables and other components. The existing silver plated copper wire is pure copper wire inside, silver plated on the outer surface of the copper wire, although there are certain advantages, but there are disadvantages, silver plated copper wire anti-aging and chemical corrosion resistance is poor, long-term use will affect the conductivity of its own material.

In order to increase the corrosion resistance of silver-plated copper wire, the method is to add a nano-silica layer between the silver plating layer and the copper core. The corrosion resistance layer is provided outside the silver plating layer, which can improve the performance of the product as a whole and ensure that it still has strong electrical conductivity after long-term use. However, the overall wear resistance of the existing product is poor in use, and due to the existence of the silver-plated structure, It is not possible to attach a wear-resistant coating on the surface, so the overall wear resistance can be improved for the external stranded wire to improve the service life.

The main copper wire is covered and protected by multiple stranded steel wires, which is suitable for ultra-fine copper wire protection. At the same time, the wear-resistant layer is coated on the outer surface of stranded copper wire, so that the service life of copper wire is improved and the wear-resistant effect is also improved. The technical solution adopted is for wear-resistant ultra-fine silver-plated copper wire. It comprises a first copper wire, a second copper wire twisted with the first copper wire, a main copper wire formed by the first copper wire and the second copper wire twisted, and a number of strands of stranded steel wire in the outer diameter of the main copper wire.