Polishing is generally carried out on the basis of polishing, to further remove the surface of the processed metal workpiece, so that it has a mirror-like luster, it can be used for the preparation of the workpiece before plating, also can be used for finishing after plating.
The polishing process differs from polishing in that there is no significant metal loss.The general view of polishing process mechanism is that high temperature is generated when the high-speed rotating cloth wheel and metal friction, which causes plastic deformation on the metal surface to smooth the convex and concave of the metal surface, and at the same time causes the metal surface to be polished repeatedly under the oxidation of the surrounding atmosphere, resulting in extremely thin oxide film.So polishing process, both mechanical cutting, and physical and chemical effects.
The biggest problem of polishing is that it takes up a large number of labor force, labor intensity, and the consumption of power and materials are also many, so in the production as far as possible to use bright electroplating technology, directly from the electrolyser surface bright coating, in order to reduce or even avoid the heavy workload of polishing after plating;There is also the use of pre-plating electropolishing process to replace the mechanical polishing of part of the workpiece;In addition, also use polishing automation and small workpiece rolling to reduce manual labor.
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