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The stepping motor equipped with a planetary reducer is called a stepping planetary reducer. This is a very widely used speed reduction device, which is used in smart cars, 5G communications, smart medical care, smart cities, smart logistics, smart robots, smart homes, and consumer digital products. , Precision optical instruments, mechanical equipment, automatic industrialization and other fields are widely used; stepper motors equipped with planetary reducers are usually as follows.
1. Look at the required torque, if it exceeds the range, increase the reducer, the only purpose is to increase the torque.
2. Stepping motor is an open-loop control element stepping motor component that converts electrical pulse signals into angular displacement or linear displacement. In the case of non-overload, the motor speed and stop position only depend on the frequency and pulse number of the pulse signal, and are not affected by the load change. When the stepper driver receives a pulse signal, it drives the stepper motor according to the The set direction rotates a fixed angle, called "step angle", and its rotation runs step by step at a fixed angle. The angular displacement can be controlled by controlling the number of pulses, so as to achieve the purpose of accurate positioning; at the same time, the speed and acceleration of the motor rotation can be controlled by controlling the pulse frequency, so as to achieve the purpose of speed regulation.
3. The principle of the planetary reducer is a power transmission mechanism that uses a gear speed converter to decelerate the number of revolutions of the motor to the required number of revolutions and obtain a larger torque. The gear with fewer teeth on the transmission shaft of the planetary reducer meshes with the large gear on the output shaft to achieve the purpose of deceleration. Ordinary reducers will also have several pairs of gears meshing with the same principle to achieve the ideal reduction effect. The ratio of the number of teeth of the large and small gears is the transmission ratio. Planetary reducers are widely used in servo, stepping, DC and other transmission systems due to their small size, high transmission efficiency, wide deceleration range, high precision and many other advantages. Its function is to reduce the rotation speed, increase the torque and reduce the load, motor inertia ratio under the premise of ensuring precise transmission.