Abstract: Hollow shaft rotary actuators have been widely used in various fields due to their excellent performance and high efficiency. However, their stability is a crucial factor that affects their application. This article aims to discuss the technologies that can be used to enhance the stability of hollow shaft rotary actuators. The main aspects include the structural design, material selection, and control system.

Introduction: Hollow shaft rotary actuators are a type of actuator that uses a rotary motion to generate a linear motion. They are commonly used in applications such as robotics, CNC machines, and automated equipment. Despite their advantages, their stability is often compromised due to factors such as high speed, heavy load, and external disturbances. Therefore, enhancing the stability of hollow shaft rotary actuators is essential to ensure their optimal performance.

1. Structural Design: The structural design of hollow shaft rotary actuators plays a significant role in determining their stability. The design should consider factors such as the position of the bearings, the layout of the motor and gearbox, and the support structure. Moreover, the use of reinforced materials and advanced manufacturing techniques can further improve the stability of the actuator.

2. Material Selection: The material used in the construction of hollow shaft rotary actuators also has a significant impact on their stability. Materials with high strength, toughness, and wear resistance should be preferred. For example, using high-quality alloys or composite materials for the shaft and other components can enhance the overall stability of the actuator.

3. Control System: The control system of hollow shaft rotary actuators is crucial for ensuring their stability. Advanced control algorithms, such as PID control and adaptive control, can be used to regulate the motor speed and torque, ensuring a smooth and stable operation. Furthermore, the use of sensors and feedback systems can help in monitoring the actuator's performance and taking corrective actions when necessary.

Conclusion: Enhancing the stability of hollow shaft rotary actuators is crucial for ensuring their optimal performance in various applications. This can be achieved through proper structural design, material selection, and control system implementation. By considering these factors, manufacturers can produce actuators that can withstand high speeds, heavy loads, and external disturbances, thus ensuring a stable and reliable operation.