Dampness is a fatal factor leading to motor failure, as splashing rainwater or moisture generated by condensation can invade the motor. Especially when the motor is in intermittent operation and has been parked for several months, the coil insulation should be checked before use, otherwise it is very likely to be damaged

The deceleration motor is mainly used to reduce the speed and increase the torque to meet the working requirements. There are many types of deceleration motors, and their classification can be based on the type of transmission, the shape of the gears, and the number of transmission stages

The selection of deceleration motors should be based on principles such as economy, practicality, and safety. According to the performance requirements of the product, the correct type, type, and power should be selected to ensure the normal and smooth production

Daily maintenance is crucial in reducing and avoiding motor malfunctions during operation, with the most important step being to strengthen inspections and promptly eliminate any root causes of abnormal phenomena. After an accident occurs, it is necessary to carefully analyze the accident and take measures to reduce the number of accidents and maintenance

The reducer can reduce the moment of inertia, generally the square of the speed ratio, which is very important for control, can control the start and stop, speed change in time. Increasing the torque through the reducer is equivalent to increasing the input power, which can reduce the power required by the input motor (when required

Fans can be classified into several types based on their materials used, such as iron shell fans (ordinary fans), fiberglass fans, plastic fans, aluminum fans, stainless steel fans, etc. Fans can be classified according to the direction of gas flow, including centrifugal, axial, oblique (mixed flow), and transverse

How to divide modules is a key issue in the modular design of gear reduction motors. There are few types of modules, high degree of generalization, and large processing batches, which are beneficial for reducing costs. However, from the perspective of the external components of the system, a comprehensive analysis of the overall, functional, performance, and cost aspects of the product should be carried out during design in order to reasonably determine the modules

The working principle of three-phase asynchronous motors is based on the principle of electromagnetic induction. When the stator winding passes through three-phase symmetrical alternating current, a rotating magnetic field is generated between the stator and rotor. This rotating magnetic field cuts through the rotor winding, generating induced electromotive force and current in the rotor circuit. The current of the rotor conductor is subjected to force under the action of the rotating magnetic field, causing the rotor to rotate.

AC motor is currently the most commonly used type of motor in coal mines. It is mainly divided into two categories: induction motors and synchronous motors. Induction motors are commonly used in low-power compensation equipment, ventilation equipment, conveying machinery, and other occasions. They have the characteristics of high starting torque, simple structure, and high reliability. Synchronous motors are mainly used in heavy-duty equipment such as electric pumps, fans, and compressors in coal mines. Their characteristics are stable operation, good speed regulation performance, and high power factor.