The noise of the cooling fan is a very vague concept. Here, professionals from Wenling Yirongchuan manufacturer will explain to you the classification of the noise of the cooling fan. There are two types of noise: 1. Mechanical noise: solve the mechanical noise of the miniature cooling fan , It is necessary to start with the material and assembly of the cooling fan. The following reasons will cause the cooling fan to make loud noises: 1. The induction IC touches the fan blade magnetic strip of the miniature cooling fan and produces frictional sound. 2. The motor composition of the miniature cooling fan Part---the coil is ground to the fan blade 3. The assembly structure size is wrong, the bearing grinding ring 4. The bearing and the shaft core material problem, it will produce noise. 2. The wind noise of the cooling fan solves the wind noise of the cooling fan of the miniature cooling fan Design section: Mainly in the angle, shape, and resistance of the wind product. There are some fine work, dynamics, mechanics, electronics and other fields. There are no experts in this field in mainland China. Most of the supporting equipment is anti-illuminated Japan, or Taiwan’s cooling fan is molded into the same product. Another thing that needs to be added is that the assembly problem of the miniature cooling fan to the miniature projector can also cause noise. Above The content is provided by Wenling Tongchi Automobile Air Conditioner. Wenling Tongchi Automobile Air Conditioner is a company with many years of experience in Taiwanese companies. It specializes in Ru0026D, production and sales of cooling fans, cooling fans, DC cooling fans, DC blowers and industrial cooling fans of various specifications Manufacturers can provide customers with the highest quality cooling fans. For more exquisite information, please pay attention to the cooling fan products on the Yirongchuan website.