_ two phase four-wire stepping motor design precision of stepping motor
1. According to the rated current of the stepper motor selection for any move slowly into the drive motor has its own rated current, selection and matching of drive in the large current cannot be lower than the rated current of the machine. Mountain club motor production step motor drive has the function of the current segment, which is can be set according to the different current rating of the planetary gear motor drive current, the same style can match different current of motor drive, as long as the motor rated current is less than when transferred to the big electric current of the driver, you can use, otherwise it will has the potential of the motor burned.
2. According to the need of the size of the interval Angle to choose drive the step motor is generally available in the market. 8° 、. 2° As well as 0. 72° The interval of Angle, but due to the customer on the precision of the motor ( C) Where demand is higher and higher, step Angle also have different requirements, in order to meet customer demand, motor manufacturer from by subdivision drive motor to achieve the segmentation. Step motor drive has a half step and the whole mountain club, 2 base and 5 into the system as well as the whole subdivision, customers can choose different subdivision drive according to the requirements of their products.
3. According to the power of the ac/dc voltage is the voltage of ac voltage and dc voltage, stepper motor drives have a rated voltage, choose to drive, want to choose the rated voltage is available power supply voltage range ( 足总 n我们 i) The motor drive. Stepper motor is a kind of induction motor, its working principle is the use of electronic circuit, direct current (dc) into time-sharing power supply, multiphase sequential control current, in this current for stepper motor power supply, step motor to work properly, is time-sharing power supply for step motor drive, multiphase timing controller. Stepper motor driver stepper motor can't directly to the power frequency ac or dc power supply work, and must use a dedicated driver, as shown, it is controlled by pulse generating unit, power drive unit, protection unit, etc. Figure midpoint line surrounded by two units can be done with microcomputer control. If you choose to drive the rated voltage is too low, the power provided to the drive voltage is higher than the rated voltage, easy to drive burn out. Mountain motor club for the different needs of customers to provide the two voltage ac and dc drive.
4. According to the step motor running when the voltage required to achieve a certain speed to choose drive
the most important for choosing drives more than four points of the four aspects, hoping to you need to select step-motor drive friends help. 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.
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