Answer：The residual stress after iron core processing will seriously affect the loss of the motor. When processing silicon steel sheets, the cutting direction and punching shear stress have a greater impact on the core loss. Cutting along the rolling direct...
Answer：As a common type of electric motor, DC motors are widely used in industrial production, transportation, household appliances and other fields. However, compared with AC motors, DC motors have some limitations in dynamic braking. The following is a de...
Answer：The motor is represented by the letter M (D in the old standard) in the circuit . Its main function is to generate driving torque as a power source for electrical appliances or various machines. The generator is represented by the letter G in the cir...
Answer：The servo motor speed control and torque control are both controlled by analog quantity, and the position control is controlled by sending pulses. The specific control method should be selected according to the customer's requirements and the mo...
Answer：Servo control technology is necessary to determine the position of the motor. This chapter will introduce the principles of servo control. We will also introduce the application of programmable servo/sequence controller (PSC) in servo control.
Answer：Bore scraping is a mechanical quality failure that motor products often encounter. Its limit state is uneven air gap , that is, the motor stator and rotor are not coaxial. Uneven air gap is a defect that the physical space of motor parts does not con...
Answer：There are actually many aspects to judge the quality of an electric motor. Today, the editor has sorted out a few points and hopes that it will be helpful to everyone.
Answer：Motor bearings are also called motor bearings or motor bearings. There are four types of bearings commonly used in motors, namely rolling bearings, sliding bearings, spherical bearings and oil-containing bearings. What is the temperature standard of ...
Answer：The speed of the rotor of the three-phase asynchronous motor is lower than the speed of the rotating magnetic field. The rotor winding induces electromotive force and current due to the relative motion between the rotor winding and the magnetic field...
Answer：permanent magnet motors are becoming more and more popular in many modern industrial applications, such as electric vehicles, wind power generation, industrial automation equipment, etc. However, permanent magnet motors also have some limitations, su...
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