The aluminum profile motor casing is widely used. The aluminum casing has the advantages of high strength, light weight, and good heat dissipation performance, and the surface is also beautiful and generous. It is not only corrosion-resistant, but also does not require any cutting of the inner chamber. Not only is the volume relatively small and the weight very light, the structure is also relatively simple, installation and maintenance are very convenient, the production process is also very environmentally friendly, and the production efficiency is relatively high, transportation and storage are also more convenient, so it has also been favored by a large number of motor manufacturers.