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Servo Motor Accuracy Requirements
Sep 06, 2017

Servo Motor Accuracy requirements

Advantages of Servomotors

1, precision: to achieve the location, speed and torque of the closed-loop control; to overcome the stepping motor out of step problems;

2, speed: high-speed performance is good, the general rated speed can reach 2000 to 3000 rpm;

3, adaptability: anti-overload ability, can withstand three times the rated torque of the load, there are instantaneous load fluctuations and the requirements of fast start occasions particularly applicable;

4, stable: low-speed operation is smooth, low-speed operation will not produce similar to stepper motor stepping operation. Suitable for high-speed response requirements of the occasion;

5, Timeliness: motor acceleration and deceleration of the dynamic corresponding time is short, usually within tens of milliseconds;

6, comfort: heat and noise significantly reduced

   Servo motor applications are too much. As long as there is a power source, and the accuracy of the requirements are generally related to the servo motor. Such as: machine tools, printing equipment, packaging equipment, textile equipment, laser processing equipment, robots, automated production lines, such as process accuracy, processing efficiency and reliability requirements of relatively high equipment motor DC servo motor is divided into brush and brushless Motor.

Brush motor low cost, simple structure, large starting torque, wide speed range, easy control, the need for maintenance, but easy maintenance (for carbon brush), resulting in electromagnetic interference, the environment requirements. So it can be used for cost-sensitive general industrial and civilian applications.

Brushless motor small size, light weight, large output, fast response, high speed, inertia small, smooth rotation, torque stability. Control complex, easy to achieve intelligent, the electronic commutation way flexible, can be square wave commutation or sine wave commutation. Motor maintenance-free, high efficiency, low operating temperature, electromagnetic radiation is very small, long life, can be used for a variety of environments.

AC servo motor is also brushless motor, divided into synchronous and asynchronous motor, the current motion control are generally used synchronous motor, its power range, you can do a lot of power. High inertia, the highest rotational speed is low, and with the power increases and quickly reduced. And thus suitable for low-speed smooth operation of the application. Servo motors are widely used in aeronautical and aeronautical motor systems, which can control the operation of the machine in the servo system, is a very small auxiliary motor indirect transmission, the servo motor speed by the input signal control, and the fastest Of the time to respond, in the automatic control system plays a very important role, the servo motor with a motorized time period, high linearity, low starting voltage characteristics. Servo click location is very accurate, the voltage signal can be converted into torque and speed for the drive control object.