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Species 220V AC Cooling Fan fin

Time:2014-12-22 Click:408Times

Many "220V AC Cooling Fan" heat sink design due to ignoring the concept of manufacturing, making the reliability and cost of product development has become the last obstacle to the bulk supply. From manufacturing point of view, air-cooled heat sink can be divided into the following categories, shown in Figure 1, Table I was finishing process performance parameters.
1. imprint (Stampings) fin
Copper or aluminum can be used the way into a desired embossed shape. Such low-cost process for bulk supply, can be used for low heat density devices. The imprint of the device at the assembly also has the convenience of automation, thus further reducing costs.
2. extrusion (Extrusion) fin
"220V AC Cooling Fan" extrusion manufacturing methods by the material flows into the mold under high pressure to force 孔中成 shape and makes solid, such as converting a continuous strip section. Extrusion-shaped heat sink manufacturing methods are the most widely used, by the amount of equipment investment medium. May be returned by way of a rectangular cross acicular fins, the fins may be serrated to produce 10 to 20% increase in efficiency, but will reduce the speed of extrusion. The aspect ratio can be as high extrusion restricted to 6, to a high aspect ratio can be 10 when using a special mold design.
3. Casting (Casting) fin
The "220V AC Cooling Fan" pressurized molten metal into the mold in order to produce precisely dimensioned devices. This technique produces high-density acicular fins. The high cost of governance is the biggest investment costs, but the low cost of the device suitable for mass production can make up for this part. Thermal conductivity casting fins will be reduced during

DONGGUAN XINGDONG ELECTRONICS CO., LTD.

Tel: +86-769-83660708

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Email:info@d-fan.com.cn

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