The operation mode of brushless motors is self-control, using semiconductor switching devices to achieve electronic commutation, that is, replacing traditional contact commutators and brushes with electronic switching devices. What is the reason for the misalignment of this motor shaft? Here is the editor's summary:
When the brushless motor is installed at a certain angle with the driven equipment, there will be an angle deviation. If the middle of the driven equipment and motor shaft are to be extended, they actually intersect with each other, rather than running or overlapping along the standard centerline. Compared to the slope of a fixed machine shaft, spatial or slope differences between the coupling surfaces of the motor shaft may occur in the vertical, horizontal, or both directions. Especially, misalignment of angles can cause serious damage to the driven instruments and motors

      一旦兩個軸的中線處于平行配置但不在同一條線上，就會發生平行失準。平行失準有兩種形式，因為軸可能垂直移動，水平向左或向右移動，或者兩者都有。一旦無刷電機軸的平行失準和角度失準同時發生，就會出現組合失準。Once the centerlines of two axes are in a parallel configuration but not on the same line, parallel misalignment will occur. There are two forms of parallel misalignment, as the axis may move vertically, horizontally to the left or right, or both. Once the parallel misalignment and angular misalignment of the brushless motor shaft occur simultaneously, a combination misalignment will occur.
Here, some suggestions and measures are proposed for the wellbore inclination problem of brushless motors. Firstly, the wellbore inclination of all key production instruments will be inspected once a year after 3 to 6 months of use to check whether the newly installed instruments will change due to foundation settlement. Remember, controlling vibration and increasing vibration trend are the main signs of misalignment. Misalignment may be due to insufficient bolt tightening, foundation settlement, or output shaft failure prediction maintenance methods, including spectrum analysis and vibration testing, used to distinguish shaft misalignment, bearing wear, or vibration caused by electricity.
The brushless motor is equipped with a photoelectric sensor device at a certain position on the stator component, a light shielding plate is installed on the rotor, and the light source is a light-emitting tube or a small light bulb. I hope the above content is helpful to you.
Editor: Nancy
小編：Nancy