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The surface treatment of the aluminum shell is as follows

May 23,2022

1. Surface grinding and polishing

Using mechanical, chemical or electrochemical methods to reduce the surface roughness of the aluminum shell workpiece to obtain a bright and flat surface. The polishing process is mainly divided into: mechanical polishing, chemical polishing, electrolytic polishing. The aluminum parts are mechanically polished + electrolytically polished, which can be close to the mirror effect of stainless steel, giving people a sense of high-end simplicity and fashionable future.

2. Surface blasting and shot blasting

The process of cleaning and roughening metal surfaces by the impact of high-speed sand flow. The surface treatment of the aluminum shell of this method can make the surface of the workpiece obtain a certain degree of cleanliness and different roughness, so that the mechanical properties of the workpiece surface are improved, thus improving the fatigue resistance of the workpiece and increasing the gap between it and the coating. The adhesion of the coating prolongs the durability of the coating film, and is also conducive to the leveling and decoration of the coating.

3. Surface drawing treatment

Metal wire drawing is the manufacturing process of repeatedly scraping the aluminum plate out of the line with sandpaper. Drawing can be divided into straight drawing, random drawing, spiral drawing, thread drawing. The metal wire drawing process can clearly show every tiny silk mark, so that the fine hair luster appears in the metal matte, and the product has a sense of fashion and technology.

4. Anodizing treatment (divided into natural color oxidation and dyeing oxidation)

Aluminum shells are generally processed through this process. Anodizing refers to the electrochemical oxidation of metals or alloys. Under the corresponding electrolyte and specific process conditions, aluminum and its alloys are exposed to aluminum under the action of applied current. The process of forming an oxide film on the product (anode). Anodizing can not only solve the defects of aluminum surface hardness and wear resistance, but also prolong the service life of aluminum and enhance the aesthetics. It has become an indispensable part of aluminum surface treatment and is currently widely used and very successful. craft.

5. Electroplating electrophoresis treatment

Electroplating electrophoresis is a process of plating a thin layer of other metals or alloys on the surface of certain metals using the principle of electrolysis. Oxidation (such as rust), improving wear resistance, electrical conductivity, light reflection, corrosion resistance (copper sulfate, etc.) and enhancing aesthetics.