What is the difference and difference between stepper motor and servo motor? How to winding the BLDC brushless stator coil of stepper motor?

Stepper motors and servo motors are widely used, many friends often like to compare the two, although they are motors, many times can achieve the same effect, but the two in the performance and application occasions, there are still some differences, so what is the difference between stepper motors and servo motors Vacuz to introduce it to you!

The difference in operating principle, stepper motor is mainly the electrical pulse signal through the processing, into a line displacement or angular displacement control element; and servo motor needs pulse positioning, closed loop, can control the motor operation and accurate positioning.

2. The difference in operating performance, stepper motors are mostly open-loop, if the start frequency is high, or if the load is large, easy to produce the phenomenon of lost step; servo motor using closed-loop, easier to control, will not produce lost step.

3. speed and overload capacity difference, stepper motor low-speed operation is easy to low-frequency vibration, servo motors will not have, mainly or closed-loop reasons, stepper motor rated speed to be less than the servo motor, overload capacity is relatively small.

4. low-frequency characteristics of the difference, stepper motor resonance points, the need to adjust the control algorithm to suppress resonance, improve the stability of the medium frequency performance, making high-speed operation torque output is greater, more stable; servo motor low-speed operation will not resonate, the operation is relatively smooth.

5. cost price, the same functional requirements, the servo motor price is certainly more expensive than the stepper motor, in the cost above, the stepper motor certainly still has the advantage, if the speed response and accuracy of high requirements, you can use the servo motor.

Stepper motor stator how to wind?

Stepper motor stator is mostly internal winding, there are a variety of models, generally using special internal winding machine to wind the work, available double station, four-station or six-station equipment, according to the diameter of the stator and the size of the wire diameter to choose the appropriate winding machine equipment.

What is the difference between a stepper motor and a servo motor? Stepper motor stator how to wind? After reading the above, I believe you understand, I hope these tips can help you Oh!

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