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Select the appropriate drive - carving machine - Engraving machine _ _ _ _ CNC woodworking engraving machine engraving machine carving factory house
by：Transon
2020-07-18
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how to choose the appropriate carving machine drive
as people of high efficiency, high performance CNC engraving machine processing cognitive efficiency, more and more customers in the choose and buy equipment and the introduction of CNC engraving machine. Customers in carving factory consultation and understanding of the equipment, the sales staff will often ask the customer to choose stepper motor or servo motor? The price will be a lot cheaper relatively stepper motor.
1, the customer should be how to stepper motor driver? According to the current of motor, with greater than or equal to the current drive. If you need or high precision, low vibration can be blending subdivision drive. For large torque motor, high voltage type drive as far as possible, in order to obtain good performance at a high speed.
2, carving machine stepper motor is divided into two and five phase. 2 phase motor of low cost, but at low speed vibration of large, high speed when the moment of falling fast. 5 phase motor, small vibration, high speed performance is good, 30 ~ 50% higher than the speed of 2 phase motor, can replace the servo motor in some occasions.
3, the customer can according to their own processing needs, choose corresponding woodworking engraving machine drive motor, to achieve a more reasonable configuration.
the stepping drive foundation introduction
the main parameters of driver is driving voltage and current, and the segmentation function.
the higher driving voltage, general driver stepper motor of high speed performance is excellent. 24 - 60 v motor drive is suitable for 57 and 60, 60 100 v drive is fit for the motor in 86, more than 100 v is suitable for the stepper motor, 110. Voltage of these differences is mainly determined by the size of the inductance stepper motor. Because the larger the size of the motor coil area, the greater the coil is, the more the number of turns, so its inductance.
when the motor rotates, because the rotor's permanent magnet, the alternation of N and S level once again and again through the motor rotor winding. Such a alternating magnetic field can produce electric field. Motor speed is higher, the faster the magnetic field changes, so the higher electric field. The electric field produced in addition to related to speed, and also just put is directly proportional to the inductance of the motor, so the larger the size of the motor is the inductance, the greater the so generated when the high-speed operation of the electric field.
and the electric field direction contrary and drive driven by electric field. This is ask what big size of the step motor to drive the cause of the high driving voltage, is for the sake of equivalent off this part of the induced voltage generated in motor high speed running. This is one of the reasons why drop in high-speed stepper motor torque.
drive rated current is needed and stepper motor matching, the greater the current said stepping motor of high speed performance is intentionally, is also a drive, its high-speed large current of motor performance, the better. In fact the large current of motor inductance is relatively small, this is the same as the above explanation. And when the drive current is greater than the motor current, it does not increase the torque of the motor, it will cause current of the motor have how old, also is to generate additional heat. When less than the current of motor drive current, the performance of the motor will not be able to fully play out, the torque can be reduced.
and the segmentation function, introducing subdivision technology greatly improved the running effect of step motor, high subdivision technology drives, driving of stepping motor rotation at low speed vibration tend to have very good improvement. Some people say that segmentation can improve the resolution of the motor, but also some people said the increase segment is very limited. I didn't do the actual test, but I agree with the latter point of view.
how to choose the appropriate carving machine drive
as people of high efficiency, high performance CNC engraving machine processing cognitive efficiency, more and more customers in the choose and buy equipment and the introduction of CNC engraving machine. Customers in carving factory consultation and understanding of the equipment, the sales staff will often ask the customer to choose stepper motor or servo motor? The price will be a lot cheaper relatively stepper motor.
1, the customer should be how to stepper motor driver? According to the current of motor, with greater than or equal to the current drive. If you need or high precision, low vibration can be blending subdivision drive. For large torque motor, high voltage type drive as far as possible, in order to obtain good performance at a high speed.
2, carving machine stepper motor is divided into two and five phase. 2 phase motor of low cost, but at low speed vibration of large, high speed when the moment of falling fast. 5 phase motor, small vibration, high speed performance is good, 30 ~ 50% higher than the speed of 2 phase motor, can replace the servo motor in some occasions.
3, the customer can according to their own processing needs, choose corresponding woodworking engraving machine drive motor, to achieve a more reasonable configuration.
the stepping drive foundation introduction
the main parameters of driver is driving voltage and current, and the segmentation function.
the higher driving voltage, general driver stepper motor of high speed performance is excellent. 24 - 60 v motor drive is suitable for 57 and 60, 60 100 v drive is fit for the motor in 86, more than 100 v is suitable for the stepper motor, 110. Voltage of these differences is mainly determined by the size of the inductance stepper motor. Because the larger the size of the motor coil area, the greater the coil is, the more the number of turns, so its inductance.
when the motor rotates, because the rotor's permanent magnet, the alternation of N and S level once again and again through the motor rotor winding. Such a alternating magnetic field can produce electric field. Motor speed is higher, the faster the magnetic field changes, so the higher electric field. The electric field produced in addition to related to speed, and also just put is directly proportional to the inductance of the motor, so the larger the size of the motor is the inductance, the greater the so generated when the high-speed operation of the electric field.
and the electric field direction contrary and drive driven by electric field. This is ask what big size of the step motor to drive the cause of the high driving voltage, is for the sake of equivalent off this part of the induced voltage generated in motor high speed running. This is one of the reasons why drop in high-speed stepper motor torque.
drive rated current is needed and stepper motor matching, the greater the current said stepping motor of high speed performance is intentionally, is also a drive, its high-speed large current of motor performance, the better. In fact the large current of motor inductance is relatively small, this is the same as the above explanation. And when the drive current is greater than the motor current, it does not increase the torque of the motor, it will cause current of the motor have how old, also is to generate additional heat. When less than the current of motor drive current, the performance of the motor will not be able to fully play out, the torque can be reduced.
and the segmentation function, introducing subdivision technology greatly improved the running effect of step motor, high subdivision technology drives, driving of stepping motor rotation at low speed vibration tend to have very good improvement. Some people say that segmentation can improve the resolution of the motor, but also some people said the increase segment is very limited. I didn't do the actual test, but I agree with the latter point of view.
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