The main shaft outer rotor fan is one of the core components of the stability and durability of the outer rotor fan, which will directly affect the overall performance of the winding machine. The development of external rotor fans has promoted the development of spindle external rotor fans, high-precision servo external rotor fans, high-speed brushless external rotor fans and high-power variable-frequency external rotor fans.

First, let's talk about the widely used AC asynchronous motor. This external rotor fan is characterized by low price and mature technology. It is also a common external rotor fan in the winding machine spindle. From the traditional numerical control winding machine to the automatic winding machine and transformer winding machine, when the early frequency conversion technology has not been popularized, the electromagnetic speed regulation outer rotor fan is generally used to adjust the speed of the winding machine. The positive and negative rotation is usually realized by a contactor circuit. Modern winding machine is a frequency converter, so do not need a complex control circuit to achieve the function. The frequency conversion external rotor fan can realize the functions of speed regulation, braking and forward and reverse winding. At present, large winding machine is the main type of AC asynchronous motor.

Then let's talk about stepping outer rotor fan. This external rotor fan often appears in many medical equipment and food machinery. Of course, it also plays an important role in the winding machine. Its main characteristics are accurate positioning, strong controllability and small size. This kind of outer rotor fan is mainly used for winding mechanism and position moving device. The performance of the winding machine is determined by the arrangement effect of the winding machine. It can be said that the accuracy of the stepping outer rotor fan determines the accuracy of the winding machine. In other mobile devices, the importance is the same. For example, the auxiliary mold handling control needs to step the movement of the outer rotor fan, and the error value is generally less than 10S. Widely used at present are 57 BYG and 86BYG stepping outer rotor fan.

In order to better use the outer rotor fan, need to pay attention to some maintenance matters, the following is to introduce.

This fan should be kept tidy in the operating environment and the surface should be clean. The air inlet and outlet shall be free of sundries, and the dust and other sundries in the fan and pipeline shall be cleaned regularly. The fan can only operate under normal conditions. At the same time, the power supply facilities should have sufficient capacity and stable voltage. Can not run without defects, can not use temporary line power supply for a long time. In case of abnormal noise, serious heating of external rotor fan, electrification of shell, switch trip or startup failure during operation, stop the machine for inspection. Maintenance is not allowed during operation. After maintenance, a trial run of about 5 minutes should be carried out. Before starting the operation, check for any abnormalities.

The external rotor fan should be stored in a dry environment to prevent the motor from getting wet. Protective measures shall be taken when the fan is stored in the open air. During storage and handling, be careful not to hit it to avoid damage.