The power (W) of the AC motor and servo motor usually refers to the ’extra speed’ Speed
2020年2月24日Children’s shoes that have been in contact with stepper motors for a long time will definitely find that there is no power in the specifications of stepper motors, and the usual selection is also based on the torque at the corresponding speed. The reason why the power (W) is not marked in the stepper motor specification is because the stepper motor does not have the concept of ’extra speed’. The power (W) of the AC motor and servo motor usually refers to the ’extra speed’ Speed \u0026 rdquo; Power when running (W), ’extra power’. Stepper motors are generally used in a wide range of speed control, its power is changed, the power (W) calculated by substituting different speeds will also The difference is generally only measured by torque.
The formula of torque and power budget is as follows: P = \u0026 omega; \u0026 middot; M \u0026 omega; = 2 \u0026 middot; π; \u0026 middot; n / 60 P = 2 \u0026 middot; π; \u0026 middot; n \u0026 middot; M / 60 = 0.1047 *; n *; M where P is the power unit in watts (w), \u0026 omega; is the angular velocity in radians per second (rad / s), n is the speed per minute (r / min), and M is the unit of torque is Newton \u0026 middot; m (N \u0026 middot; m). P = 2π; fM / 400 (half step operation), where f is the number of pulses per second (PPS for short). Take the stepper motor 24HD240D8 as an example, as shown below: Air conditioning fan motor suppliers https://www.chinakxdq.com/product/air-conditioning-fan-motor/ According to the speed-torque curve It can be seen that when the rotation speed is 600 RPM, the torque is 0.9 Nm. Substituting it into the formula: 0.1047 *; 600 *; 0.9 = 56 .5W (without adding safety factor calculation), that is, when the driver ASD880R is used, the driving voltage is 60VDC, the driving current is 4.0A, and the subdivision setting is 200 pulses / revolution, the mechanical output power of the 24HD240D8 at 600RPM is 56.5W . In practice, we often replace the servo motor with a stepper motor. At this time, we must calculate the torque of the servo output in reverse. The budget formula is as follows: M = 9.549 *; P / n If we want to replace the extra power with a stepper motor 100W, additional speed 3000RPM, deceleration servo motor with a reduction ratio of 10. (assuming that the power of the reducer is 90%) substitute the formula to calculate the additional torque of the motor: 9.549 *; 100/3000 = 0.3183NmN output torque of the reducer shaft: 0.3183 *; 10 *; 90% = 2.8647 Nm Reducer output speed: 3000 \u0026 divide; 10 = 300RPM That is to say, the stepper motor we choose may be a decelerating stepper motor at 300RPM output torque is 2.8647 Nm (without considering the safety factor) can replace this deceleration Servo motor. Without considering the size, the torque of our 3402HS60U14 at 300RPM is 2.95Nm, which can meet the requirements.
The formula of torque and power budget is as follows: P = \u0026 omega; \u0026 middot; M \u0026 omega; = 2 \u0026 middot; π; \u0026 middot; n / 60 P = 2 \u0026 middot; π; \u0026 middot; n \u0026 middot; M / 60 = 0.1047 *; n *; M where P is the power unit in watts (w), \u0026 omega; is the angular velocity in radians per second (rad / s), n is the speed per minute (r / min), and M is the unit of torque is Newton \u0026 middot; m (N \u0026 middot; m). P = 2π; fM / 400 (half step operation), where f is the number of pulses per second (PPS for short). Take the stepper motor 24HD240D8 as an example, as shown below: Air conditioning fan motor suppliers https://www.chinakxdq.com/product/air-conditioning-fan-motor/ According to the speed-torque curve It can be seen that when the rotation speed is 600 RPM, the torque is 0.9 Nm. Substituting it into the formula: 0.1047 *; 600 *; 0.9 = 56 .5W (without adding safety factor calculation), that is, when the driver ASD880R is used, the driving voltage is 60VDC, the driving current is 4.0A, and the subdivision setting is 200 pulses / revolution, the mechanical output power of the 24HD240D8 at 600RPM is 56.5W . In practice, we often replace the servo motor with a stepper motor. At this time, we must calculate the torque of the servo output in reverse. The budget formula is as follows: M = 9.549 *; P / n If we want to replace the extra power with a stepper motor 100W, additional speed 3000RPM, deceleration servo motor with a reduction ratio of 10. (assuming that the power of the reducer is 90%) substitute the formula to calculate the additional torque of the motor: 9.549 *; 100/3000 = 0.3183NmN output torque of the reducer shaft: 0.3183 *; 10 *; 90% = 2.8647 Nm Reducer output speed: 3000 \u0026 divide; 10 = 300RPM That is to say, the stepper motor we choose may be a decelerating stepper motor at 300RPM output torque is 2.8647 Nm (without considering the safety factor) can replace this deceleration Servo motor. Without considering the size, the torque of our 3402HS60U14 at 300RPM is 2.95Nm, which can meet the requirements.
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