Servo motor 095U3D300BACAA100190

Servo motor 095U3D300BACAA100190

Tips for servo motors:

Encoder accuracy: The number of pulses fed back by the encoder to the driver after one revolution of the motor affects the closed-loop step accuracy. The conventional encoder for closed-loop stepping has 1000 lines, 2500 lines, and 5000 lines. Taking 5000 lines as an example, its resolution is 360 °/(4 * 5000)=0.018 °, and its accuracy is higher than that of open-loop control stepper motors.

Torque frequency curve: a curve that describes the relationship between motor torque and speed.

Position error: The difference between the instruction position and the encoder feedback position. If the position error is too large, the driver will report an out of tolerance alarm.

Control TECH brand servo motors now belong to NIDEC Group, EMERSON Group, and NIDEC Group.

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The low-speed force is huge, and the torque will decrease twice with the increase of speed. Generally, the torque decrease accelerates above 800rpm, and the accuracy is 3% -5% of the step angle. There is no cumulative error in the whole circle. The accuracy of the two-phase hybrid stepper motor is 0.18 °. The stepper motor blindly uses open-loop control, and the system response is fast, without overshoot and setting time. When stopped, the motor shaft has no micro vibration. The stepper motor has low-frequency vibration, and the speed of the vibration point is approximately 1r/s. Stepper motors are controlled by constant current, generate significant heat and noise, and do not have overload capacity. If the motor force is insufficient, it may stall. Therefore, when selecting, a safety factor of 1.4-2 times should be reserved. Stepper motors and drivers are easy to use without complex debugging.