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Aluminum led heatsink structure analysis
Figure 1 is a cross-sectional view of an aluminium profiles for aluminum led heatsink lamp radiator. It can be seen from the figure that the aluminum led heatsink lamp radiator uses an aluminum alloy extruded hollow profile, which is characterized by a large circumscribed circle, a complex cross-sectional shape, a large cross-section, and an overall length It is 340mm and the height is 100mm; the aluminum led heatsink teeth are thin, the cantilever is long, the tongue ratio at the cantilever is large, and the tongue ratio can be as large as 8. However, the distance between the teeth of the heat sink is small, and there are dangerous sections between the teeth. After the force is applied, eccentric teeth and broken teeth are prone to cause the mold to be scrapped; secondly, the wall thickness of the aluminum led heatsink profile section is very different, especially the thickness of the bottom plate at the root of the section is thicker (thickness up to 28mm), and the thickness of the aluminum led heatsink teeth is thinner It is only 2mm, and the wall thickness ratio is as high as 14, resulting in extremely uneven flow rates of aluminum extrusion, and increasing the fracture coefficient of dangerous sections. Therefore, it brings great difficulty to the mold design, manufacture and production of the aluminum radiator profile. If the design of the extrusion die is unreasonable, it is easy to cause defects such as eccentric teeth, broken teeth, twisting, waves, bending and cracks of the die during extrusion, so the reasonable design of the extrusion die is the profile of the aluminum LED lamp heat sink. The decisive factor to achieve normal extrusion.
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Main Product:
aluminum profiles,
aluminium profiles,
aluminum extrusion,
aluminium extrusion,
aluminum tube,
aluminium extrusion profiles
