What types of stepper motors are available? How is the control method? How is the stator lined up and winding?

What types of stepper motors are available? What is the control method? How to line up the stator winding? Many friends feel more curious, Vacuz give you an introduction! I hope it can help everyone!

Common stepper motor numbers include:

1, single-chip computer-controlled stepper motor;

2, 42-step motor;

3, 57-step motor;

4, 86 stepper motor.

This model is common in the market, but also widely used stepper motor models.

Stepper motor control methods are as follows:

1. unit time to change the motor phase sequence, so that the motor can only rotate one step in one direction at each moment, the so-called “full stepper drive”. This kind of drive can be further divided into positive and reverse two cases, the principle of single-phase stepper motor through the positive direction of the current to control the motor’s positive or turn. 2.

2. rectangular wave current drive uses PWM technology to generate a set of moment wave, by controlling the degree and frequency of the pulse to control the electricity, so that it can only rotate a step angle at a time. Compared with the full stepper drive, the rectangular wave current drive can raise the higher torque, but also produces relatively greater noise

3. micro-step precision control. Micro-control circuitry using analog electrical regulation and bridge voltage following can control the motor’s tiny step rotation, and can achieve the motor’s slip motion, reducing noise and vibration The method requires the use of a special control chip to achieve.

4. open-loop control is simply by controlling the motor sequence change to achieve the motor’s stepping motion. This drive does not require sensors or feed control systems, but there is no guarantee of accurate control and characterization of the motor. In general, open-loop control is suitable for the application of motor requirements are not high scenario.

In general, the stepper motor control method according to the application requirements of the same, you can use different drive, in the actual application needs to be combined with the body of the situation to choose and optimize.

Stepper motor stator line winding:

Stepper motor models are different, the size of the stator is not the same, the height is also different, there is a single line winding, there are double line winding, there are winding fine line, there are winding coarse line, the general use of special internal winding machine to solve the problem of winding, for the stator parameters, you can use double station, four station or six station equipment to improve production efficiency and solve the problem of winding trouble.

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