OEM Aluminium Die Casting LED Heat Sink

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Copper heat sink processing technology
1、 Material selection
The main material of copper heat sink is copper, usually using pure copper or alloy copper of T2, T3, T4 and other models. According to different needs, different materials such as copper alloy or stainless steel can also be selected. When selecting materials, it is necessary to consider factors such as thermal conductivity, mechanical properties, and corrosion resistance.
2、 Cutting
The cutting of copper heat dissipation fins usually adopts methods such as wire cutting, laser cutting, or water cutting. Among them, laser cutting and water cutting have advantages such as high cutting accuracy and fast speed, but require the use of corresponding equipment and consumables. Wire cutting has the advantages of low cost and simple operation, but it requires manual operation and relatively low accuracy. When cutting, it is necessary to pay attention to the flatness and accuracy of the cutting surface to ensure the quality of subsequent processing.
3、 Welding
The welding of copper heat dissipation fins usually adopts methods such as argon arc welding or laser welding. Among them, argon arc welding has the advantages of high welding strength and good weld quality, but requires the use of corresponding equipment and consumables. Laser welding has the advantages of fast speed and small heat affected zone, but requires the use of corresponding equipment and consumables. When welding, it is necessary to pay attention to the quality and position of the welding points to ensure the stability and thermal conductivity of the copper heat sink.
4、 Bending
The bending of copper heat dissipation fins is usually done using hydraulic bending or CNC bending machines. Among them, hydraulic bending has the advantages of flexible bending angles and high accuracy, but requires the use of corresponding equipment and consumables. CNC bending machines have the advantages of fast processing speed and high accuracy, but require the use of corresponding equipment and consumables. When bending, it is necessary to pay attention to the accuracy of the bending angle and bending size to ensure that the shape and size of the copper heat sink meet the requirements.
5、 Embossing
The embossing of copper heat dissipation fins is usually done using methods such as embossing machines or stamping machines. Among them, the embossing machine has the advantages of good embossing effect and simple operation, but requires the use of corresponding equipment and consumables. Stamping machines have the advantages of fast processing speed and high efficiency, but require the use of corresponding equipment and consumables. When embossing, it is necessary to pay attention to the depth of the embossing and the clarity of the lines to ensure the appearance quality and thermal conductivity of the copper heat sink.
6、 Installation
The installation of copper heat dissipation fins usually adopts methods such as screw fixation or welding. Among them, screw fixation has the advantages of convenient installation and easy disassembly, but requires drilling or tapping on the copper heat sink. Welding has the advantages of strong connection and no need for additional accessories, but requires the use of corresponding equipment and consumables. During installation, it is necessary to pay attention to the accuracy of the installation position and fixing method to ensure the stability and safety of the copper heat sink.

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