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Normal Finished Parts
The part will have some visible machining marks and the surface roughness is around Ra1.6-3.2 μm. Because the parts lack a protective coating, their roughness makes them susceptible to nicks and scratching.
Polishing is done to achieve a smooth and shiny surface. Surface is rubbed or applied with a chemical treatment that yields a clean surface with a significant specular reflection. It can also reduce diffuse reflection of some materials to minimum.
Precision machining is a method of working metals. It uses electropolishing. Ferrous metals, precision machining and aluminum machining can be achieved with this surface roughness.
Coating means applying a thin coating of metal. In this method a metal is deposited on a conductive surface. Electroplating helps to improve the strength, durability and life span of metallic parts. There most often used ones include nickel plating/ chrome plating/ tin plating/ silver plating.
Coating can be used for a range of metal materials, like cnc steel machining, spring steel cnc machining, cnc machining stainless, etc.