Stepper motor applications _ two phase four-wire stepping motor applications
by：Zhenyu
2020-10-27
Close to more customers are reflected in the process of inquiry because of stepper planetary gear motor and driver model with more, more variety, should be how to better understand the stepper motor and drive to the right to choose their requirements of products, the user should have certain stress when the choice, in this way can with superior performance, low price to choose good you need products.
the motor selection Suggestions should follow certain principles:
1. First needed to determine the stepper motor load torque.
the simple method is on the load shaft with a lever, with the spring balance pull the lever and pulling force times the length of the lever is not only the load torque. 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. Or according to the load characteristic is theoretically calculated.
because of stepping motor is controlled, so the current commonly used stepping motor torque is less than 45 nm, the greater the torque, the higher the cost, if you choose the motor torque is larger or more than this range, can consider to add with the reduction gear.
2. Determine the stepper motor of high running speed.
speed indicator in the selection of stepper motor is crucial, the characteristics of the stepper motor is with the increase of motor speed, torque is reduced, the lower speed is related to many parameters, such as: stepper motor drives the driving voltage, phase current, the phase inductance, the size of machine and so on, the general rule is: the higher the driving voltage, torque reduce the slower; The slower the motor phase current, the greater the torque to reduce. In design, should make the motor speed control in 600 r/min, or within 800 r/min, say that is not standard, of course, you can refer to the < moment - Frequency characteristics >.
3. Depending on the load heavy torque and high rotational speed of these two important indicators, then refer to 'the moment - Frequency characteristics >, you can choose the suitable stepper motor.
if you think you choose the machine is too large, can consider to add reduction gear, so that we can save cost, also can make your design more flexible. To choose appropriate reduction ratio, to considering the relationship between torque and speed, choose the better one.
4. Consider leaving (after Such as 50%) Torque allowance allowance and rotational speed. 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.
5. Can choose first hybrid stepping motor, if due to price factors, you can pick and choose the reactive stepper motor.
6. Select subdivision driver as far as possible, and make the drive to work in the state of segment.
7. Select and when not to only look at this one index of the motor torque error, that is not the motor torque is bigger, the better, want to consider with speed indicator.
8. Subminiature drives and micro drive is to rely on the shell as the radiator, shall be fixed in a larger, thicker plates or additional cooling fan, if there is no cooling conditions, and drive to work in the low speed occasions ( Then drive fever is bigger) , you can choose 90 type drive instead of with fan. 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.
Building a brand as Zhenyu from the very start is simple so long as you keep 'the three C's' in mind: clarity, consistency and constancy.
Our vision serves as the framework for our electric motor suppliers and guides every aspect of our business by describing what we need to accomplish in order to continue achieving sustainable, quality growth.
Consistency and simplicity go hand in hand. That means aligning Zhenyu with the right platforms, speaking to the right customers with the right message, and selling the right idea.
the motor selection Suggestions should follow certain principles:
1. First needed to determine the stepper motor load torque.
the simple method is on the load shaft with a lever, with the spring balance pull the lever and pulling force times the length of the lever is not only the load torque. 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. Or according to the load characteristic is theoretically calculated.
because of stepping motor is controlled, so the current commonly used stepping motor torque is less than 45 nm, the greater the torque, the higher the cost, if you choose the motor torque is larger or more than this range, can consider to add with the reduction gear.
2. Determine the stepper motor of high running speed.
speed indicator in the selection of stepper motor is crucial, the characteristics of the stepper motor is with the increase of motor speed, torque is reduced, the lower speed is related to many parameters, such as: stepper motor drives the driving voltage, phase current, the phase inductance, the size of machine and so on, the general rule is: the higher the driving voltage, torque reduce the slower; The slower the motor phase current, the greater the torque to reduce. In design, should make the motor speed control in 600 r/min, or within 800 r/min, say that is not standard, of course, you can refer to the < moment - Frequency characteristics >.
3. Depending on the load heavy torque and high rotational speed of these two important indicators, then refer to 'the moment - Frequency characteristics >, you can choose the suitable stepper motor.
if you think you choose the machine is too large, can consider to add reduction gear, so that we can save cost, also can make your design more flexible. To choose appropriate reduction ratio, to considering the relationship between torque and speed, choose the better one.
4. Consider leaving (after Such as 50%) Torque allowance allowance and rotational speed. 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.
5. Can choose first hybrid stepping motor, if due to price factors, you can pick and choose the reactive stepper motor.
6. Select subdivision driver as far as possible, and make the drive to work in the state of segment.
7. Select and when not to only look at this one index of the motor torque error, that is not the motor torque is bigger, the better, want to consider with speed indicator.
8. Subminiature drives and micro drive is to rely on the shell as the radiator, shall be fixed in a larger, thicker plates or additional cooling fan, if there is no cooling conditions, and drive to work in the low speed occasions ( Then drive fever is bigger) , you can choose 90 type drive instead of with fan. 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.
Building a brand as Zhenyu from the very start is simple so long as you keep 'the three C's' in mind: clarity, consistency and constancy.
Our vision serves as the framework for our electric motor suppliers and guides every aspect of our business by describing what we need to accomplish in order to continue achieving sustainable, quality growth.
Consistency and simplicity go hand in hand. That means aligning Zhenyu with the right platforms, speaking to the right customers with the right message, and selling the right idea.
