Chinese name: induction motor is another name: induction motor belongs to asynchronous motor principle: introduction of electromagnetic induction, application field, specific model and characteristic type. Induction motor is a motor that induces current in the rotor through electromagnetic induction between stator and rotor to realize several kinds of energy conversion. Its advantages are simple structure, convenient manufacture, low price and convenient operation. The disadvantages are lagging power factor, low light load power factor and poor speed regulation performance. High-precision gear adopts new numerical control hobbing setting value to produce JIS 3 gear, which runs smoothly. The high-precision box is processed by CNC turning and milling compound machine, and the gear assembly position is accurate and the gear meshing is stable. The gear assembly with reliable quality has been tested by CNC gear meshing machine tool, which controls the meshing accuracy of the gear assembly and improves the transmission efficiency. A special computer simulation software is designed to determine the gear reduction ratio, and the strength, reduction ratio and meshing accuracy of the gear are calculated correctly, which improves the positioning control accuracy. The joint of sealing box adopts oil seal and O-ring to prevent leakage, even if lubricating oil is added, it will not leak. Application fields Induction motors are mainly used in computer peripherals, photographic systems, photoelectric combination devices, valve control, nuclear reactors, bank terminals, numerical control machine tools, automatic winding machines, electronic clocks and medical equipment. The specific models of induction motors are M-4IK25N-A, M-4IK25N-C, M-5IK40N-A, M-4IK25N-AC, M-5IK40N-CC, G-4N□-M-3RK/KLOC-.
In daily life, the most common is the small induction motor (that is, the motor we often say). Usually has the following characteristics:
One: The household type is usually single-phase power supply. The main parameters are as follows: A( 1 10V 60Hz), B(22V 60Hz), C( 100V 50/60Hz), D(200V 50/60Hz), e (115v.
Two: When it is necessary to change the speed, a reducer or regulator is usually needed for assistance. Of course, the reduction motor can also be used directly.
Three: it can run continuously.
Four: the size of the load, the rated speed of the motor will also change.
Five: AC motor needs three-phase power supply to work normally, while residential areas or small commercial areas only have single-phase power supply, so the motor will not work normally. So there is a single-phase induction motor.
Six: Single-phase induction motor has no endogenous starting torque, so it is necessary to add auxiliary winding to generate current out of phase with the winding or use shielding coil.
Seven: the starting torque of single-phase induction motor is related to the phase difference between the main winding and the auxiliary winding current. When the phase difference between them is 90 degrees, the torque is the largest.
Eight: comparison of starting torque of single-phase induction motor: capacitor starting motor >; Permanent split-phase capacitor motor >: split-phase motor >: shielded motor
Introduction of induction motor categories:
Motors, also known as motors, can be divided into deceleration motors and acceleration motors according to their different applications. There are many different types according to their different ways of distinguishing, and induction motors can be divided into two types according to current points:
One: Single-phase induction motor
Two: Three-phase induction motor
Single-phase induction motors can be divided into: split-phase induction motors, capacitive induction motors, repulsive induction motors and shielded induction motors.
Multiphase induction motors are divided into squirrel-cage induction motors. Wound induction motor.
Explanation of related nouns:
1: Another way of saying asynchronous motor is induction motor. From the working principle, we know that the induced current generated by the valley makes the rotor rotate, so there must be a speed difference between the magnetic field and the rotor, that is, asynchronism, which is the origin of asynchronism.
2. Slip rate: that is, the difference between synchronization rate (RPM, NS of rotating magnetic field) and rotor speed (RPM, n) and the ratio of synchronization rate. Speed difference s=(NS -N)/NS.
3. Full-load slip rate: that is, the difference between synchronous speed and river load speed, which indicates all speed regulation of the motor, and also compares how the motor adapts to the application of periodic load.