This design enables the routing of cables, tubes, or other components through the actuator without interfering with its rotational movement. Hollow rotary actuators are commonly used in applications where space is constrained and where routing through the actuator’s center is beneficial.
Key Features

1. Hollow Shaft: Allows for the passage of various components (e.g., cables, tubes), reducing the need for external routing.
2. Rotational Motion: Provides precise control over rotational movement, often with high torque and accuracy.
3. Compact Design: Space-efficient, making it suitable for applications with limited installation space.
4. Sealed Construction: Many models come with sealing options to protect internal components from contaminants.

Typical Applications

1. Robotics: Used in robotic arms and joints to facilitate the routing of power and signal cables through the actuator, reducing clutter and improving flexibility.
2. Industrial Machinery: Provides rotational motion in machines such as conveyors, packaging equipment, and automated systems, where routing through the actuator is advantageous.
3. Medical Devices: Utilized in medical equipment like surgical robots or diagnostic machines, where space-saving and precise control are critical.
4. Aerospace: Employed in aerospace applications for satellite and antenna positioning systems, where the ability to pass through wiring is essential.
5. Automation Systems: Ideal for automated systems requiring rotational movement and internal routing of tubes or wiring.

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