Water Quality and Temperature are Important for Enameled Wire Annealing

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Water Quality and Temperature are Important for Enameled Wire Annealing

Posted By enameledwire xinyu     July 16, 2018    


Xinyu-enameledwire is an integrated industrial and trade enterprise specialized in Products suppliers, offers thousands of Products sizes and types to meet your application and production requirements. xinyu is a professional and reliable Enameled Aluminum Wire manufacturers and Enameled Copper Wire suppliers,Xinyu has relied upon their continuing years of experience to assist and solve complex electronic problems with their resource of experienced personnel and xinyu is willing to cooperate with friends all around the world for a win-win future. Copper is easily oxidized at high temperatures. Copper oxide is very crisp, and the paint film cannot be firmly attached to the copper wire. The copper oxide catalyzes the aging of the paint film and adversely affects the flexibility, thermal shock, and thermal aging of the wire. The water quality in the annealing tank is very important. Impurities in the water can make the wire unclean, affect the paint, and cannot form a smooth paint film. The chlorine content in the water used should be less than 5mg/l and the electrical conductivity should be less than 50μΩ/cm. The attachment of chloride ions to the surface of the copper wire will cause corrosion of the copper wire and the paint film after a certain period of time, causing black spots on the surface of the wire inside the enameled wire paint film. To ensure quality, the sink must be cleaned regularly. The water temperature in the sink is also required. The high water temperature is conducive to the occurrence of water vapor to protect the copper wire during annealing. The wire leaving the tank is not easy to carry water, but it is unfavorable to the cooling of the wire. Although the water temperature is low, it has a cooling effect, but the wire has a lot of water, which is not good for painting. Usually, the water temperature of the thick line is lower, and the temperature of the thin line is higher. When the copper wire has the sound of water vaporization and splashing when leaving the water surface, the water temperature is too high. The general thick line is controlled at 50~60°C, the midline is controlled at 60~70°C, and the thin line is controlled at 70~80°C. Because of the high speed of the thin line, serious problems with water, hot air drying is recommended. As a professional Enameled Wire manufacturer - xinyu-enameledwire.com offer high-quality copper wire for you, you can contact us for more details. Click here to learn more about the enameled wire: https://www.xinyu-enameledwire.com/.


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