How to distinguish between servo motor and stepper motor
Release time:
2023-04-03
Servo motors and stepper motors are widely used, and there are many purchases that cannot figure out the difference between the two, so they are not sure what type of motor they want to choose, which may lead to the wrong choice when buying. Today, I will share with you the difference between servo motor and stepper motor, which is convenient for everyone to buy.
The difference between servo motor and stepper motor
(1) different overload capacity
The overload capacity of AC servo motor is relatively strong, and the stepper motor is weak in this respect.
(2) speed response performance is different
The acceleration performance of AC servo system is better, and the acceleration response time of stepper motor is longer.
(3) The control method is different
The servo motor controls the rotation angle by controlling the length of the pulse time, and the stepper motor controls the rotation angle by controlling the number of pulses, and one pulse corresponds to a step angle.
(4) Different moment frequency characteristics
AC servo motor is a constant torque output, that is, within its rated speed, can output rated torque, above the rated speed is constant power output.
The torque frequency of the stepper motor output will slowly decrease as the speed increases.
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