Detailed anatomy of the aluminum casing of LED lamps
As we all know, there are two kinds of radiators for LED spotlights, LED bulbs and LED ceiling lamps on the market: one is made by CNC turning of aluminum profiles, and the other is die-casting of zinc-aluminum alloy ingots. Both have their pros and cons, but I personally think that the shape of the shell is much larger than that of the die-cast shell.
Let's analyze it below.
First of all, let's talk about the cast zinc-aluminum alloy shell. At present, the thermal conductivity of the cast zinc-aluminum alloy shell is about 80-90W/MK, plus the auxiliary oxidation residue, as well as the surface injection or electroplating treatment, the actual thermal conductivity is even worse. If the aluminum alloy AA1070 is used to cast the LED lamp cup, the fins of the die casting are thick, which results in a small heat dissipation area and is not conducive to heat dissipation.
The material is aluminum alloy 6063-T5, its excellent thermal conductivity is about 180-190W/MK, the heat sink fin can be made very thin, only 1mm, unique heat dissipation structure design, maximizing heat dissipation area, so that this product is in Long-term work under normal temperature conditions, the cup body temperature can be kept below 50 °C, which effectively reduces the light decay of the LED use process, and can ensure the quality of the lamps. According to the actual measurement, the same size of the LED lamp cup, the solar heat sink heat dissipation effect is more than one-third higher than the die-cast housing.
The appearance of the product is designed in a modern streamlined shape, which conforms to the public aesthetic concept and creates a perfect classic shape. In addition, the LED solar flower radiator is lighter than the die-cast housing by more than one-third, especially for larger LED lamps, such as PAR20, PAR30, PAR38, PAR56, AR111 and other models, the freight can be saved a lot. !
Die-casting parts are not useless. If it is mass-produced, the production of die-casting parts is fast and the production cost is low.
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