There are five ways to process aluminum alloy

 

1. Sand blasting is also called shot blasting

 

The process of cleaning and roughening metal surfaces by the impact of high-speed sand flow. This method of surface treatment of aluminum parts can make the surface of the workpiece get a certain degree of cleanliness and different roughness, improve the mechanical properties of the surface of the workpiece, so improve the fatigue resistance of the workpiece, increase the adhesion between it and the coating, extend the durability of the coating, and is also conducive to the leveling and decoration of the coating. We often see this aluminum alloy process in various products of Apple company, and it is more and more adopted by the existing TV face shell or middle frame. cnc turning part

 

2. Polishing

 

By mechanical, chemical or electrochemical methods, the surface roughness of automotive aluminum parts is reduced to obtain a bright and flat surface. Polishing process is mainly divided into: mechanical polishing, chemical polishing, electropolishing. After mechanical polishing + electropolishing, the aluminum parts of automobile can be close to the mirror effect of stainless steel, giving people the feeling of high-grade, simple and fashionable in the future (of course, it is easy to leave fingerprints and need more care). cnc machining part

 

3. Wire drawing

 

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 line drawing, random line drawing, spiral line drawing and thread drawing. Wechat for metal processing, good content, worthy of attention. The metal drawing process can clearly show every trace of fine filaments, so as to make the hair luster in the metal matte. The product has both fashion and technology sense.

 

4. High gloss cutting

 

The diamond cutter is reinforced on the spindle of the high-speed rotary (generally 20000 RPM) engraving machine to cut parts, and local highlight areas are generated on the product surface. The brightness of the cutting highlight is affected by the speed of the milling bit. The faster the bit speed is, the brighter the cutting highlight will be. On the contrary, the darker the bit speed is, and it is easy to generate tool marks. Wechat for metal processing, good content, worthy of attention.

 

5. Anodizing

 

Anodizing refers to the electrochemical oxidation of metals or alloys. Aluminum and its alloys form a layer of oxide film on aluminum products (anodes) under the action of external current under the corresponding electrolyte and specific process conditions. Anodizing can not only solve the defects of aluminum surface hardness and wear resistance, but also extend the service life of aluminum and enhance the beauty. It has become an indispensable part of aluminum surface treatment, and is the most widely used and very successful technology at present.

 

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