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When does a stepper motor use a gearbox?
When does a stepper motor use a gearbox?

1. Look at the required torque. If it exceeds the range, increase the gearbox. 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 The set direction rotates at 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 reduction box plays the role of matching the speed and transmitting torque between the prime mover and the working machine or the actuator. The reduction box is a relatively precise machine. The purpose of using it is to reduce the speed and increase the torque. According to the number of transmission stages, it can be divided into single-stage and multi-stage reduction gearboxes; according to the gear wheel shape, it can be divided into cylindrical gear reducer, bevel gear reducer and conical-cylindrical gear reducer; according to the transmission layout, it can be Divided into expansion type, split type and co-entry shaft type gearbox. The reduction box is an independent component composed of gear transmission, worm transmission, and gear-worm transmission enclosed in a rigid shell. It is often used as a reduction transmission device between the original moving part and the working machine. It plays the role of matching the speed and transmitting torque between the prime mover and the working machine or the actuator. It is widely used in modern machinery.

 

Consider the use of a gearbox in the above situations. The reducer used in stepping motors requires small backlash, impact resistance, and high tooth surface strength.

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