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Aluminum as a winding wire core was once popular in China in the 1960s, and all enameled aluminum wire plants in the country produced enameled aluminum wire. However, aluminum conductors have inherently high resistivity, low tensile strength, and difficulty in processing since they are difficult to overcome. Due to defects in welding and welding, the gap between copper price and aluminum price was very small at the time. Therefore, aluminum as an enameled conductor gradually withdrew from the historical stage and was almost no manufacturer in China.

The aluminum wire as the conductor of the enameled aluminum wire is different from the copper wire in processing, and has its special difficulties. In the wire drawing process, due to its low tensile strength, it is easy to break the wire in the drawing process, and the hardness and wear resistance are not as good as Copper, so the surface is easy to scratch, the surface of the coated enameled aluminum wire often has many bright spots, beads, dew point and so on. At present, the minimum of aluminum wire drawing for enameled aluminum wire is φ0.15mm. In addition to the poor surface finish in the drawing, the surface oil and aluminum powder is heavier, which is another problem. Comprehensive analysis must be carried out on equipment tooling selection, mold ratio, lubricating fluid formulation, etc., transformation, analysis, testing and research. Effectively overcome the disadvantages of frequent breakage, poor surface oiliness and poor finish when using other drawing lubricants at home and abroad. Lubrication should be able to reduce the friction coefficient between steel and aluminum and aluminum and aluminum, and it has a strong cleaning function for aluminum powder and oil.

Although the above-mentioned measures were taken during the drawing process, a relatively clean surface of the aluminum wire was drawn, but the surface was still left with oil stains and aluminum powder, which could not meet the requirements for coating paint. During the coating process, the use of traditional felt scrubbing, paper scrubbing, water cleaning can not achieve the desired cleaning effect. Therefore, it is necessary to add a highly efficient cleaning device and a special cleaning solution prior to coating to meet the cleaning requirements of aluminum conductors before painting. In order to solve long-term plagued aluminum enameled aluminum wire due to aluminum conductor surface oil, aluminum powder cleaning is not completely caused by the enameled wire surface beads, exposed aluminum, bright spots and other quality problems.

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