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Introduction of industrial aluminum surface treatment process
- 2019-10-08-

Sandblasting

The process of cleaning and roughening the metal surface by the impact of high velocity sand flow. The industrial aluminum surface treatment of this method can achieve a certain degree of cleanliness and different roughness on the surface of the workpiece, so that the mechanical properties of the surface of the workpiece are improved, thereby improving the fatigue resistance of the workpiece, increasing it and the coating. The adhesion between the film extends the durability of the film and also facilitates the leveling and decoration of the coating (the term "paint" is provided by the industry's encyclopedia). This process is often seen in Apple's various products, and is increasingly used by existing TV sets or middle frames.

2. Polishing

Mechanical, chemical or electrochemical methods are used to reduce the surface roughness of the workpiece to obtain a bright, flat surface. The polishing process is mainly divided into: mechanical polishing, chemical polishing, and electrolytic polishing. The aluminum parts can be close to the stainless steel mirror effect after mechanical polishing + electrolytic polishing, giving people the feeling of high-grade simplicity and fashionable future (of course, it is easy to leave fingerprints and more care).

3. Drawing

Metal wire drawing is a manufacturing process in which the aluminum plate (the term "aluminum plate" is provided by the industry encyclopedia) is repeatedly scraped out with sandpaper . Drawing can be divided into straight drawing, chaotic drawing, spinning drawing, thread drawing. Metal processing WeChat, the content is good, it is worthy of attention. The metal wire drawing process can clearly show each of the fine silk marks, so that the matte light in the metal matt light, the product has both fashion and technology.

4. High-light cutting

The diamond knives are reinforced with a fine carving machine to cut the parts on the spindle of the high-speed rotation (typically 20,000 rpm) to produce a local highlight on the surface of the product. The brightness of the cut highlights is affected by the bit speed of the milling (the term "milling" is provided by the industry's encyclopedia). The faster the bit speed, the brighter the cut light, and the darker the surface, the easier it is. Metal processing WeChat, the content is good, it is worthy of attention. High-light high-light cutting is especially used in mobile phones, such as iphone5. In recent years, some high-end TV sets have adopted high-gloss milling technology, and the anodizing and wire drawing process makes the TV set full of fashion sense and technology sharpness.

5. Anodizing

Anodizing refers to the electrochemical oxidation of metals or alloys, and the formation of an oxide film on aluminum products (anodes) by aluminum and its alloys under the corresponding electrolyte and specific process conditions due to the application of current. Anodizing can not only solve the defects of aluminum surface hardness and wear resistance (the term "wearing" is provided by the industry), but also prolong the service life of aluminum and enhance the appearance. It has become an indispensable aluminum surface treatment. One of the most widely used and highly successful processes.

6. Two-color anodizing

Two-color anodization refers to anodization on a product and imparting a different color to a particular area. The two-color anodizing process is complicated and costly ; however, the contrast between the two colors can better reflect the high-end and unique appearance of the product.