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Machining process description


The process of aluminum die-casting is a proper solution to get complicated heatsinks in shape. Compared to aluminum extrusion, for special shaped heatsinks, aluminum die-casting could save much cost of further machining. Thus, aluminum die-casting is widely applied in notebook chipset cooling and industrial cooling. Normally, the material used for aluminum die-casting is ADC12, whose coefficient of thermal conductivity is 96W/mK and just half of that of aluminum extrusion. Another disadvantage of aluminum die-casting is high tooling cost input.

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