Surface Finishing

The surface finishing is a process for artificially forming a surface layer different from the mechanical, physical and chemical properties of the substrate on the surface. The purpose of surface treatment is to meet the corrosion resistance, wear resistance, decoration or other special functional requirements of the product. For metal castings, our more common surface treatment methods are mechanical grinding, chemical treatment, surface heat treatment, spray surface, and surface treatment is to clean, deburr, degrease, descale the workpiece surface.
Generally speaking, there are two explanations for surface treatment in China, one is generalized surface treatment, that is, it includes various physical and chemical methods such as pretreatment, electroplating, coating, chemical oxidation, thermal spraying, etc.; the other is narrow surface treatment, that is, only including sandblasting, polishing, etc.
During the processing, transportation, storage, etc. of the workpiece, the surface often has molding sand, welding slag, dust, oil and other contaminants left by scale and rust. If the coating can be firmly attached to the surface of the workpiece, the surface of the workpiece must be cleaned before painting.
Otherwise, it will not only affect the adhesion and corrosion resistance of the coating to the metal, but also make the base metal even if it is coated. Corrosion can also continue under the layer protection, causing the coating to peel off, affecting the mechanical properties and service life of the workpiece. Therefore, the surface treatment before the painting of the workpiece is an important guarantee and measure for obtaining a good quality protective layer and prolonging the service life of the product.
As professional China surface finishing manufacturers and suppliers, Runner Machinery provides custom services for people. Various surface finishing can be found in this successful factory. For more details about related products, please contact us at once.
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