The forming process of tungsten wire does require lubricants. Tungsten wire is a high-temperature alloy, and its manufacturing process usually involves drawing under high temperature and high pressure. In this process, due to the special properties of tungsten wire material, drawing will cause wear and deformation on the surface of tungsten wire, which may seriously affect the quality and life of tungsten wire. In order to solve this problem, lubricants need to be added when manufacturing tungsten wire.
Lubricants have two main functions in tungsten wire manufacturing:
Reduce friction: Lubricants can reduce the friction between the surface of tungsten wire and the mold, thereby reducing the wear and deformation of the surface of tungsten wire. This is essential for maintaining the shape and dimensional accuracy of tungsten wire.
Reduce surface temperature: Due to the large amount of heat generated during the drawing process of tungsten wire, the surface temperature of tungsten wire increases. Lubricants can effectively reduce the surface temperature of tungsten wire, reduce deformation and melting caused by high temperature, and improve the drawing efficiency of tungsten wire.
Common types of lubricants include graphite lubricants, molybdenum lubricants, and polymer lubricants. The main component of graphite lubricant is graphite particles, which has good lubrication and high temperature resistance; molybdenum lubricant is a high temperature lubricant, the main components of which are sodium molybdate and ammonium molybdate; polymer lubricant is a new type of lubricant with excellent heat resistance and stability.
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