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Stepper motor supplier _ two phase four-wire stepping motor selection

by:Zhenyu      2020-10-27
Stepper motor through subdivision driver drive, the interval Angle becomes as drive to work in the state of zero segment, the step from the Angle of only one over ten of the step motor inherent pitch Angle, that is to say: when the drive to work in the state of don't segment of the whole step, each hair a step pulse control system, motor rotation. 8° While using subdivision driver working in the state of zero segment, motor rotation only 0. 8° And this is the basic concept of subdivision. Segment function is to control motor phase current generated by the driver, has nothing to do with the planetary gear motor.



select the drive and fine fraction

how to choose the step, step for the whole state vibration; As far as possible choose low current, large inductance and low voltage drives; Is greater than the working current of the drive, in need of low vibration type or when blending subdivision drive, for large torque motor with high voltage type drive, to achieve good performance at a high speed.



actually used in motor speed (usually is higher and the precision C) And stability requirement is not high, don't have to choose the high fine fraction drive, in order to save cost; Actually used in motor speed conditions are usually very low, should choose larger fine fraction, to ensure smooth operation, reduce vibration and noise ( Db ( dB) ) 。



segment after the main advantages of the stepper motor drives, completely eliminate the low frequency oscillation of the motor. Stepper motor drive can be controlled by controlling the pulse number of angular displacement, so as to achieve the purpose of accurate positioning; As well as by controlling the pulse frequency to control motor rotation speed and acceleration, so as to achieve the purpose of speed regulation and positioning. Low frequency oscillation is a stepper motor ( Especially the reactive motor) The intrinsic characteristics of, and segmentation is the way of eliminating it, if your stepper motor sometimes have to work in the resonance region ( Such as arc) Yes choice, the choice of segmentation drives. Improve the output torque of the motor.



especially for three-phase reactive motor, the torque about 30 - than when not subdivided 40%. Stepper motor is the electrical pulse signal into angular displacement or linear displacement of open loop control motor, is a modern digital process, the main components of control system, has extensive application. In the case of the overload, motor speed, stop position depends only on the pulse signal frequency and pulse number, and not affected by load change, when the stepper driver receives a pulse signal, it is driving a stepper motor according to set the direction of a fixed point of view, called & other; Interval Angle & throughout; , its rotation is based on the Angle of the fixed step by step. Can be controlled by controlling the pulse number of angular displacement, so as to achieve the purpose of accurate positioning; As well as by controlling the pulse frequency to control motor rotation speed and acceleration, so as to achieve the purpose of regulating. Improve the resolution of the motor. Due to reduced the step Angle, promoted the homogeneous degree of the interval, improve the resolution of the motor is self-evident.



all in all, when choosing the fine fraction, suggested that the motor be taken into account the actual motor speed, load torque range, speed reducer Settings, precision ( C) Requirements, vibration and noise ( Db ( dB) ) Requirements, etc. Stepper motor drive can be controlled by controlling the pulse number of angular displacement, so as to achieve the purpose of accurate positioning; As well as by controlling the pulse frequency to control planetary gear motor rotation speed and acceleration, so as to achieve the purpose of speed regulation and positioning.


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