A fan is a powered machine used to create airflow. A fan consists of a rotating arrangement of blades or vanes, usually made of wood, plastic, or metal, that act on the air. The rotating assembly of blades and hub is called the impeller, rotor or runner. Usually, it's contained in some form of casin Read More

The wear of the axial flow fan will cause the fan to vibrate, shorten the life of the fan, and in severe cases, the fan will not work properly. In particular, the wear of the fan blades is particularly serious, which not only destroys the flow characteristics in the fan. Read More