"220V Cooling Fan" is a lot of components that make up the functionality of the device. Fan blades are one of the most important components of the fan, which play a crucial role in the work of the fan, the ability to change the flow of air rely on a fan, this small series to tell you about the main fan The daily protection for the fan to enhance efficiency in the use of great help. "220V Cooling Fan" operating environment of the efficiency of the fan is also a great influence in relatively harsh environment, the fan blades in a long time after the work is very easy to stick to pay a lot of dust, this will cause the fan blades rotational imbalance in the work, can easily lead to fan vibration occurs, increase noise. When serious situation, "220V Cooling Fan" fan since the high-speed rotation in the case, can not bear the weight of the blades, so the fan blades break, causing damage to the fan.