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03-12

Difference between oil-bearing, single ball bearing and double ball bearing of cooling fan

Now there are different kinds of cooling fans in bearings. AC fans are generally oil-bearing, single ball, double ball and DC fans. On the basis of these three kinds of fans, there are hydraulic, magnetic levitation, fluid dynamics, nano ceramic and some hybrid bearings of two kinds. Here is a simple and intuitive introduction of oil, single ball, double ball in the life and performance of the difference. The following instructions can help users make a preliminary judgment according to their own needs and select the suitable bearing type.

Difference between oil-bearing, single ball bearing and double ball bearing of cooling fan

02-26

How to choose cooling fan or blower correctly

Design engineers of all motors and electronic products that need to use cooling fans must determine the air volume required for cooling a specific system. The required air volume depends on understanding the power consumption of the system and whether enough heat can be taken away to prevent overheating of the system. The fact shows that the service life of the system will be reduced due to the shortage of the cooling system, so the design engineer should also understand that the sales volume and price of the system may decline because the service life of the system does not meet the user's expectation.

How to choose cooling fan or blower correctly

02-25

Function detection method of PWM speed regulating cooling fan without external PWM control signal

Generally, the DC fan with PWM speed regulation function is 4-wire, and also has 3-wire speed regulation fan. The general situation is as follows:

Function detection method of PWM speed regulating cooling fan without external PWM control signal

02-25

Material change of 80 * 38 9HV series fan blade resin

Resin material change of 80 * 39 9hv series fan blade:

Material change of 80 * 38 9HV series fan blade resin

02-25

Global shortage of waterproof fans? We don't exist! A large number of 80 * 25 splash proof fans in stock

Recently, due to the recovery of semiconductor, robot and FA industries, the demand has soared,

Global shortage of waterproof fans? We don't exist! A large number of 80 * 25 splash proof fans in stock

02-25

Optimization scheme of stage lamp cooling fan with low noise and high air volume

On the premise of not changing the material, the way to improve the brightness of the stage lamp is to increase the current. With the increase of the current, the calorific value of the stage lamp will increase sharply, and the noise will also increase significantly. Therefore, we should pay attention to the air volume and noise when selecting the cooling fan of the stage lamp.

Optimization scheme of stage lamp cooling fan with low noise and high air volume
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