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EY series rod type actuator: a model of high-precision positioning technology

Jan 29,2025

Core advantages of high-performance motors
The high-performance servo motor or stepper motor mounted on the EY series pull rod actuator is the basis for achieving high-precision positioning. Servo motors are known for their fast response, high-precision positioning and strong overload capability. They can quickly adjust the rotation angle and speed according to control instructions to ensure the accurate position of the actuator output shaft. Stepper motors, on the other hand, also occupy a place in the field of actuators due to their simplicity and reliability under open-loop control, fixed step angle and easy control. Whether it is a servo motor or a stepper motor, they can achieve tiny displacement adjustments through precise pulse control, which is crucial for application scenarios that require high-precision positioning.

Precise positioning: precise control of rotation angle and speed
By precisely controlling the rotation angle and speed of these motors, the EY series rod type actuators are able to achieve precise positioning of the output shaft. This means that whether it is precise assembly on an assembly line or goods handling in an automated warehousing system, the actuator can move accurately according to the preset trajectory and speed, greatly reducing errors and improving overall operating efficiency. In addition, this precise control is also reflected in the rapid response to load changes. Even in the face of sudden load conditions, the actuator can quickly adjust to maintain stable output and ensure the continuity and stability of the production process.

Upgrade of the closed-loop control system: further improving positioning accuracy
Some high-end EY series pull rod actuators also use a closed-loop control system, which is a major upgrade to traditional open-loop control. The closed-loop system monitors the actual position of the output shaft in real time through a built-in encoder or sensor, and this data is fed back to the control system in real time. The control system then compares this feedback signal with the preset target position, and adjusts the motor control signal according to the deviation, forming a dynamic adjustment process. This process continues to circulate until the position of the output shaft completely matches the set value, thus greatly improving the positioning accuracy.

The introduction of the closed-loop system not only improves the positioning accuracy, but also enhances the robustness of the system. In the face of factors such as changes in the external environment, mechanical wear or load fluctuations, the closed-loop system can automatically compensate for these changes to ensure the long-term stable operation of the actuator. This is particularly important for applications that require continuous high-precision operations, such as semiconductor manufacturing and precision machining.

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