Japanese Fuji servo motors feature self-tuning capabilities, automatically adjusting to low-rigidity devices to meet the needs of most applications; key components are designed for a lifespan of up to 10 years, ensuring smooth equipment operation; product models range from a minimum of 50W to a maximum of 3000W to meet diverse requirements.
I. Performance of Fuji Servo Motors
1. Control accuracy: The accuracy depends on its built-in photoelectric encoder. The more scales the encoder has, the higher the accuracy. Fuji servo motors have very high control accuracy and are suitable for high-precision control.
2. Low-frequency characteristics: The operation is very smooth, and there is no vibration even at low speeds;
3. Torque-frequency characteristics: Constant torque output within the rated speed range, and constant power output at the rated speed;
4. Overload capacity: It has a strong overload capacity;
5. Operational performance: The AC servo drive system is a closed-loop control system. The driver can directly sample the feedback signal from the motor encoder, forming a position loop and a speed loop internally. Generally, the step loss or overshoot phenomenon of stepper motors will not occur, and the control performance is more reliable.
6. Speed response performance: AC servo systems have good acceleration performance, typically requiring only a few milliseconds, making them suitable for control applications requiring rapid start and stop.
II. Operating mode of Fuji servo motors:
The servo controller is started and stopped by using the Fuji PLC as a "switch". Starting or stopping the servo controller starts or stops the servo motor. The servo controller has a higher control precision than the frequency converter.
Servo motors are generally used in applications requiring high control precision (such as speed control, position control, and torque control). Fuji servo motors come with a built-in photoelectric encoder. The rotor's rotation drives the encoder's code disk; the number of rotor revolutions directly affects the number of pulses the encoder sends to the controller. These pulses cause the servo motor to rotate, and the DO output determines the servo's direction. The pulse direction controls the servo's direction: a positive pulse rotates the servo forward, and a negative pulse rotates it backward. Therefore, a Fuji servo motor combined with a servo controller is necessary to achieve truly precise control.
If analog signals are used to control the servo, positive and negative analog signals can be used to control forward and reverse rotation.
If communication control is used, then commands are sent directly. In the program, the JOG command can be directly input to make it forward or reverse.
