Comparison of characteristics between DC brushless servo motor and brushed servo motor
The servo motor is used inside a closed loop. That is to say, it transmits the signal to the system at any time, and at the same time, the signal given by the system is used to correct its operation. Dalan Motor tells you that the servo motor can also be controlled by a single-chip microcomputer. The application fields of servo motors are too broad. As long as there is a power source, and the accuracy is required, the servo motor may be involved. Such as machine tools, printing equipment, packaging equipment, textile equipment, laser processing equipment, robots, automated production lines and other equipment that require relatively high process precision, processing efficiency and operational reliability. DC servo motors can be used in spark machines, robots, precision machines, and more. It can be equipped with 2500P/R high-resolution standard encoders and speed detectors at the same time. It can also be equipped with gearboxes to bring reliable accuracy and high torque to mechanical equipment. Good speed regulation, the highest output power per unit weight and volume, greater than AC motor, far more than stepper motor. The multi-stage structure has small torque fluctuations. Features of DC brushless servo motor: 1. Low moment of inertia, low starting voltage and low no-load current; 2. Abandon contact type reversing system, greatly improving motor speed, the maximum speed is up to 100 000 rpm; 3. Brushless servo motor is executing In the servo control, the speed, position and torque can be controlled without the encoder. 4. There is no brush wear. In addition to high speed, it also has long life, low noise and no electromagnetic interference. DC brush servo motor features: 1, small size, fast response, fast overload capacity, wide speed range; 2, low speed torque, small fluctuations, stable operation; 3, low noise, high efficiency; The encoder feedback (optional) constitutes the advantages of DC servo; 5. The variable voltage range is large and the frequency is adjustable. Compared with other motors, servo motor has any advantages: 1. Accuracy 1 realizes closed-loop control of position, speed and torque; 2 overcomes the problem of stepping motor out of step; 2. High speed and high speed performance, general rated speed can reach 2000 to 3000 rpm; 3, adaptability to overload resistance, can withstand three times the rated torque load, especially suitable for occasions with transient load fluctuations and fast start required; 4, stable 1 low speed running smoothly, low speed operation It does not produce step-by-step operation similar to stepper motor; 2 is suitable for occasions with high-speed response requirements; 5. Time-dependent motor acceleration and deceleration dynamic response time is short, generally within tens of milliseconds; 6. Comfort 1 Heat and noise are significantly reduced. 2 Ordinary motor, after power off, it will turn for another moment because of its own inertia, and then stop. The servo motor is said to stop and stop, and walk away, the reaction is extremely fast. ----- Responsible Editor: Dalan Oil Pump Motor 02- Purchasing Consultant Copyright http:/(Dalan Motor) Reprint, please indicate the source http://news.chinawj.com.cn
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