What is the principle and structure of a gearbox?
Reducer is an important mechanical device. It plays an important role as a transmission device in many industrial applications. Commonly used as a deceleration transmission device between the original moving parts and the working machine. Its main function is to reduce the speed while increasing the torque.
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Common problems and solutions of planetary gearbox
The sound and vibration generated by planetary gearboxes during high-speed operation are indeed common and cannot be ignored issues. During its normal operation, the appearance of sound is inevitable, however, there are significant differences in the volume of sound emitted by different planetary gearboxes. Some planetary gearboxes produce subtle sounds during operation, almost negligible; And some have louder sounds, resulting in noticeable noise.
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2025
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Exchange small knowledge on motor speed regulation
A three-phase asynchronous motor is a type of induction motor that is powered by a 380V three-phase AC current (with a phase difference of 120 degrees). Due to the fact that the rotor and stator of a three-phase asynchronous motor rotate in the same direction but at different speeds, there is a slip rate, hence it is called a three-phase asynchronous motor.
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Do you know about the three speed regulation methods of three-phase asynchronous motors?
According to the formula for the speed relationship of three-phase asynchronous motors, there are three ways to change the speed of asynchronous motors:; Change the magnetic logarithm of the motor; This speed regulation method is called variable speed regulation. Change the power frequency of the motor; This speed regulation method is called variable frequency speed regulation. Change the slip rate of the motor; This speed regulation method includes changing the voltage, modifying the parameters of the stator and rotor, and adjusting the speed of the electromagnetic slip clutch.
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Working principle of three-phase asynchronous motor
Three phase asynchronous motor is a common AC motor, which works based on the interaction between electromagnetic induction and rotating magnetic field. Here is its detailed working principle:
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