Quality requirements for aluminum heat sinks

by:Zeyi     2021-06-02
Thermal products are often used in industrial production, and sometimes some inconspicuous factors may cause a big gap. The so-called dike of a thousand miles is destroyed in an ant nest, especially for industrial intelligent manufacturing. Today, let’s take a look at the quality requirements of aluminum heat sinks? The quality requirements of aluminum heat sinks 1. The surface of the heat sink should be free of shrinkage, corrosion, cracks and other defects; 2. The metal fasteners of the flat heat sink (press plate, Gland, disc spring), the conductive sheet of the water-cooled heat sink should be protected by plating; 3. The maximum allowable value of the surface roughness Ra of the heat sink table top is 3.2m; 4. The flatness of the heat sink table top is not less than 9; 5. Fasteners and insulating parts dedicated to radiators should comply with GBB446.3 (Radiator insulation and fasteners for power semiconductor devices; 6. The tightening torque or tightening pressure of the radiator and power semiconductor installation should comply with the device The relevant provisions of the product standard; the relevant introduction to the quality requirements of aluminum heat sinks is here first.
What are the advantages of aluminum radiator
Nowadays, many high-power electronic products are using aluminum radiators. Why are so many bosses welcome to search for aluminum radiators? Let’s explain for everyone. First, the appearance of customized aluminum alloy profiles is light in weight and high in strength , It can be extruded into a variety of shapes according to customers' heat dissipation requirements. 2. Corrosion-resistant aluminum radiator also has the characteristics of corrosion resistance, small deformation, strong fire resistance, and the service life can reach 50-100 years. 3. The oxidation-resistant aluminum alloy radiator profile has been processed by various processes, and the surface is resistant to acid and alkali corrosion and free from air pollution, and can maintain its inherent color and luster for a long time. : The above is a brief introduction to 'what are the advantages of aluminum radiators

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