The aluminum shell of LED lighting mainly protects the internal components. The main body of the shell adopts high-quality aluminum alloy profile, which has the characteristics of reasonable design, strong structure and beautiful appearance. Aluminum housing is widely used in instruments, meters, electronics, communications, automation, sensors, smart cards, industrial control, precision machinery and other industries. It is an ideal housing for high-end instruments. Surface treatment adopts electrostatic spraying, and the colors are off-white, dark gray, black, army green, etc. Next, Dongguan Chicco will take you to see how the aluminum housing of LED lighting is die-casted.

Die-casting is one of the most important production processes in the production of LED lighting aluminum shells, and it is no exception for LED lighting aluminum shells. Die-casting is a metal casting process that uses a mold cavity to apply high pressure to molten metal. Molds are usually made of higher-strength alloys. This process is somewhat similar to injection molding. So what are the issues that need to be paid attention to in the die-casting of LED lighting aluminum housing?

1. Consider the issue of demoulding. Demolding refers to a series of operations to eject the steel ingot from the ingot mold. The time from the completion of the casting of the steel ingot to the demolding, the time from the completion of the pouring of the last ingot of a barrel of steel (the lower betting tray) to the beginning of the demolding (decap) of the first ingot is called the ingot transit time. If the demoulding is not in place, it is easy to cause defects or even deformation of the aluminum shell of the power battery.

2. In terms of structure, try to avoid the appearance of the structure that leads to the complex structure of the mold, and have to use multiple core pulling or spiral core pulling.

3. The appearance of some LED lighting aluminum shell parts may have special requirements, such as fuel injection. Oil injection is the name of the surface coating processing of industrial products. The steps of oil injection mainly include annealing, degreasing, removing electricity and dust, spraying, and drying. Each step is indispensable, and there should be no problems.

4. Consider the thickness of the die-casting wall of the aluminum housing of LED lighting. If the thickness gap is too large, it will cause filling.

5. When designing the aluminum shell of LED lighting, the mold problem is taken into consideration. If there are multiple core-pulling positions, try to put them on both sides, do not place the core-pulling in the lower position. This will cause problems with the core-pulling under aluminum alloy die casting for a long time.