Distinguish DC motor, AC motor, stepping motor and servo motor

by:V&T Technologies     2020-01-21
Distinguish DC motor, AC motor, stepping motor and servo motor. There are many kinds of motors, including stepping motor and servo motor. No matter what they are called, they are all motors. A friend asked me a few days ago, how to distinguish this single AC machine from Stepping Motor Servo motor? Today, stepping motor manufacturer Rui Te electromechanical will talk to you about this topic 1. What is DC motor? Answer: the rotating motor whose output or input is DC electric energy is called DC motor 2. What is AC motor answer: the rotating motor whose output or input is AC electric energy is called AC motor. 3. What is a stepping motor? A: A stepping motor is an actuator that converts electrical pulses into angular displacement. Generally speaking, when the stepping driver receives a pulse signal, it drives the stepping motor to rotate at a fixed angle (And stepping angle). You can control the amount of angular displacement by controlling the number of pulses, so as to achieve the purpose of accurate positioning; At the same time, you can control the speed and acceleration of the motor by controlling the pulse frequency, thus achieving the purpose of speed regulation. There are three types of stepping motors: permanent magnet (PM), Reaction formula (VR)And hybrid (HB). Permanent magnet stepping is generally two-phase, with small torque and volume, and the stepping angle is generally 7. 5 degrees or 15 degrees; Reactive stepping is generally three-phase, which can realize large torque output, and the stepping angle is generally 1. 5 degrees, but the noise and vibration are very large, and 1980s have been scoured in developed countries such as Europe and the United States. Hybrid Stepping refers to the combination of the advantages of permanent magnet and reactive type. It is divided into two phases and five phases: the stepping angle of the two phases is generally 1. 8 degrees and the five-phase step angle is generally 0. 72 degrees. Shanshe motor believes that this stepping motor is the most widely used. 4. What is a servo motor? A: servo motor is also called executive motor. In the automatic control system, it is used as executive element to convert the received electrical signal into angular displacement or angular velocity output on the motor shaft. It is divided into DC and AC servo motors. Its main feature is that when the signal voltage is zero, there is no rotation phenomenon, and the rotating speed decreases at a constant speed with the increase of torque. Sharp motor TAG servo motor, stepping motor, DC motor, AC motor
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