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What is PVD coating? PVD (Physical distribution ),Refers to the use of physical processes to achieve material transfer,The process of transferring atoms or molecules from the source to the surface of the substrate.Its role is to enable certain particles with special properties (high strength, wear resistance, heat dissipation, corrosion resistance, etc.) to be sprayed on the parent with low performance,Makes the parent have better performance.PVD basic methods: vacuum evaporation, sputtering, ion plating (hollow cathode ion plating, thermal cathode ion plating, arc ion plating, active reaction ion plating, RF ion plating, DC discharge ion plating ).Enhanced Magnetic-controlled cathode arc: cathode arc technology is under vacuum conditions,The target is separated into an ion state by low voltage and high current,Thus the deposition of film materials is completed.Enhanced Magnetic-controlled cathode arc utilizes the joint action of the magnetic field,Effectively control the arc on the surface of the target
What is the role of pipe well filter? What technical requirements should the filter meet? Brief introduction: The filter is an indispensable device on the conveying media pipeline,It is usually installed in the inlet end of the pressure reducing valve, pressure relief valve, fixed water level valve, and other equipment of the square filter.Function: filter products are widely used in metallurgy, chemical industry, petroleum, paper making, medicine, food, mining, electric power, urban water supply.Industrial waste water,Filtration of circulating water,Regeneration of emulsion,Waste oil filtration treatment,Continuous casting water system and blast furnace water system in metallurgical industry,High-pressure water scale removal system for hot rolling.It is an advanced, efficient and easy-to-operate fully automatic filter device.
