Aluminium electrical enclosure,large extruded aluminum enclosure,folded aluminium enclosure

With the rapid development of science and technology, aluminium electrical enclosure is now more widely used in mechanical and electrical products, electronic instruments, mobile power supply and photoelectric lighting. Moreover, the aluminum enclosure not only plays an external protection role, but also makes full use of space to play a role in heat dissipation. And in the production process of aluminum enclosure, it needs to be surface machined. So what are the surface processing methods of large extruded aluminum enclosure?

Surface processing method of aluminum enclosure:

1. Polishing

Use mechanical, chemical or electrochemical methods to reduce the roughness of the folded aluminium enclosure surface to obtain a bright and smooth surface. Polishing technology is mainly divided into mechanical polishing, chemical polishing and electrolytic polishing. After mechanical polishing and electrolytic polishing, the aluminum parts of the car can approach the stainless steel mirror effect, giving people a feeling of advanced simplicity and fashion in the future.

1. Sandblasting

The process of cleaning and roughening metal surfaces by the impact of high-speed sand flow. The surface treatment of the aluminum enclosure by this method can obtain a certain degree of cleanliness and different roughness on the surface of the aluminium electrical enclosure, improve the mechanical properties of the workpiece surface, so as to improve the fatigue resistance of the workpiece, increase the adhesion between the workpiece and the coating, prolong the durability of the coating film, and also facilitate the flatness and decoration of the coating. We often see this process in the solar frame, and it is increasingly used by the existing TV shell or middle frame.

1. Wire drawing

Metal wire drawing is a process of repeatedly scraping aluminum plates out of lines with sandpaper. Wire drawing can be divided into straight wire drawing, random wire drawing, spiral wire drawing and thread wire drawing. Wechat for metal processing is rich in content and deserves attention. The metal drawing process can clearly show every tiny line mark, so that the metal is matte and shiny, with fine hair luster. The product integrates fashion and technology.

1. Strong light cutting

The diamond knife is reinforced by the finishing machine to cut the parts on the spindle of the finishing machine which rotates at a high speed (usually 20000 RPM), so as to form a local highlight area on the product surface. The brightness of cutting bright spot is affected by the speed of milling cutter the faster the drill speed is, the brighter the cutting highlight is. On the contrary, the darker the cutting highlight is, the easier it is to produce the cutting pattern. Highlight cutting is often used in mobile phones. In recent years, some high-end TV metal frames have adopted high light milling technology, coupled with anodizing and wire drawing technology, making the TV full of fashion and technology on the whole.

1. Anodic oxidation

Anodic oxidation refers to the electrochemical oxidation of metals or alloys Aluminum and its alloys form oxide films on aluminum products (anodes) under the action of applied current under corresponding electrolyte and specific process conditions. 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 beauty of aluminum It has become an indispensable part of aluminum surface treatment. It is a widely used and successful process at present.

1. Two Color Anodizing

Two Color Anodizing refers to anodizing the product and giving different colors to specific areas. The two - color anodizing process is complicated and the cost is high However, through the comparison of the two colors, it can better reflect the high-end and unique appearance of the product.

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