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Chicco takes you to understand the surface treatment process of electronic radiators

release time:2019-07-24 15:33:00  Views: 370

Electronic products are developing rapidly and are moving towards a thinner body and better performance. To achieve this goal, electronic manufacturers must first solve the heat dissipation problem of electronic products, that is, make electronic products faster and more efficient in a shrinking space. Ground heat dissipation ensures that the operation is not affected by high temperature. The configuration of electronic radiator shells for electronic products is a basic and effective method for solving heat dissipation. Do you know the surface treatment process of electronic radiators? Next, Chicco editor will take you to explore.

The surface treatment process of electronic radiator, in fact, the common processes are: CNC machine tools, wire drawing and some other processes.

First of all, CNC machine tools, CNC machine tools applied to the bottom surface of the heat sink, the main process used is milling. First of all, it is somewhat different from traditional disc milling. The cutter of the CNC milling machine can precisely control the relative distance to the heat sink through the single-chip microcomputer. After the props touch the bottom of the heat sink, the two move relative to each other in the horizontal direction to cut the unprocessed part left by the tool gap in the traditional disc milling, and reach a complete plane. You can get a mirror-like surface without any subsequent processing. effect.

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Then there is the wire drawing process, which is a kind of bottom surface treatment process that is used more. Wire drawing is a metal processing technology. In metal pressure processing, the metal is forced through the mold under the action of external force, the cross-sectional area of the metal is compressed, and the required cross-sectional area shape and size are obtained. The technical processing method is called the metal drawing process, which changes the shape and size. The tool is called drawing die. Common tools used for drawing electronic radiators are sandpaper, files, etc., which perform one-way, rotating and repeated friction on the surface of the object, and remove the unevenness of the surface through the rough surface of the tool. Because it is friction, scratches will appear on the surface of the smoothed object. So we can make the process from coarse to fine step by step, and slowly reduce the roughness of the processed surface.
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In addition to the two mentioned above, there are actually many other processes, such as polishing, sandblasting, and electroplating. Although there are many processing techniques, it is impossible to make a completely standard flat surface with these mechanical processes. There will be some gaps between the radiator and the CPU, and the air in these gaps will also have a certain impact on the conduction capacity of the radiator. This is because the thermal resistance of air is relatively high. Well, that's probably what I know. Do you want to know more?
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Dongguan Zhigao Industrial Co., Ltd. specializes in producing automotive power amplifier radiators, aluminum profile LED radiators, electronic profile radiators, CNC processing and other products.