Shenzhen cooling fan manufacturers trying to solve the problem of fan noise. By inserting a plastic or rubber gasket between the fan and the fixing plate, the vibration of the fan in operation can be buffered. Is the Fan operating in an environment where the temperature exceeds the height? The original purchase of oil bearing fans, but the long-term increase in the ambient temperature of the fan, less than 3 months, the fan bearing oil will burn off evaporation, loss of lubrication, friction coefficient, fan noise, fan rotation stopped. Especially in the bedroom operation, built-in rotor motor fan pressure increase, you can adjust the suction frequency. Moreover, the device operates quietly so as not to disturb sleep. Therefore, in the industry when choosing fans, must pay attention to the stability of fans, wind pressure, air volume, noise. Oily bearings are quieter, but they are not suitable for all products because of the environment in which they are used. You can choose according to the condition of your own machine. Voltage from DC TO AC are common, no additional inverter conversion. All parts of the motor are using power DC power supply, BUILT-IN DC AC, rotor position feedback, three-phase AC, permanent magnet, synchronous motor. In the choice of cooling fan, should pay attention to the following fan performance and the general power of the target fan, the higher the power of cooling fan, the stronger the natural wind, the better the cooling effect. However, we choose cooling fan power is not the greater the better, the need to combine the material and working principle of the fan for comprehensive comparison. And, double ball bearing, oil bearing, rotating with N, only the fan has dozens of specifications. When we buy cooling fans, almost all of our customers want to cooperate with DC fan manufacturers, in the factory cooperation. Usually, if there is no friend's introduction, usually through the network to find DC fan suppliers. Since DC fans come in many sizes, each customer uses different conditions and parameters, almost all manufacturers do not produce inventory, only a few brands have a small amount of inventory, so the regular seller is likely to be a dealer. However, many non-quality-related cooling fan after a period of use, due to bearing wear and other reasons will produce greater noise, not only affect the life of the fan, but also annoying, so when consumers buy cooling fans, the proposal chooses the factory which has the actual strength to purchase, guarantees the quality.

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