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What are the differences between the step-down motor and the ordinary stepper motor? The following Shunli motor small series to give you a detailed introduction.
The speed and stop position of the stepping motor will only depend on the frequency of the pulse signal and the number of pulses, and will not be affected by the corresponding change of the load. Whenever the stepper driver receives a pulse signal, it drives the step. The motor is rotated in a set direction by a fixed angle, which is called "step angle". The rotation is step by step at a fixed angle. The angular displacement can be controlled by controlling the number of pulses, so that accurate positioning can be achieved. At the same time, the control pulse frequency can be used to control the speed and acceleration of the motor rotation, so that the purpose of adjusting the rotation speed can be achieved.
The stepping motor can convert the electric pulse signal into an open-loop control element stepping motor component with angular displacement or line displacement, generally in the case of non-overloading.
The difference between the step-down motor and the ordinary stepper motor:
The geared motor is composed of a reducer (gearbox) + motor. The motor can provide a large speed of high speed, but the torque is very small, and the generated motion inertia is quite large; the function of the reducer is used to control the speed reduction and increase. Torque, reduce the inertia generated by the motion, has reached the ideal speed and torque; for example, the electric curtains and electric shutters are rare, and the speed motor is slow and the torque is large.
Simply speaking, the stepping motor can control the fixed length and fixed speed. For example, if the working table is 1 meter away, the motor speed can be set freely. There are rare application cases, such as the working table like milling machine. Stepper motor on. The difference between the two is that the stepping motor can achieve constant speed, timing (how long to go, how fast to turn can be set), but the speed of the stepping motor is determined by the reduction ratio can not adjust the rotation speed The speed of the stepping motor is small, and the rotating torque of the geared motor is large.
Stepper motor, can be fixed length control, for example, the workbench walks 1 meter, the speed is 500R/MIN, but the geared motor can't do it if it is a three-phase asynchronous geared motor, it can achieve the deceleration through the gearbox, but the speed is not Good adjustment, it is necessary to adjust the speed through the frequency converter, and it is impossible to say how many strokes I want to go. If you want to realize the fixed speed function of the stepping motor (fixed length speed regulation) is to be with the inverter and The encoder is used together.
In addition, the motor of the geared motor has a large moving force, and the force generated by the general motion of the stepping motor is not so great, and the stepping acceleration and reduction machine can generate a large amount of motion.
The above content is the introduction of the difference between the stepping motor and the ordinary stepping motor. I hope to bring help to friends in need. If you want to know more about the stepping motor, please continue. Focus on the Shunli motor.