TH450 Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox

TH450 Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox is a high-precision rotary actuator that consists of a hollow rotary platform and a high-precision planetary gearbox. It is mainly used for the precise position control of various rotating devices in industrial automation, robotics, aerospace, medical equipment, military equipment, and other fields. It is also known as Hollow Rotary Platform and Hollow Rotary Table.

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Basic Construction of Hollow Rotary Actuator

The basic construction of the Hollow Rotary Actuator includes:

1. Crossed roller bearing
2. High-precision gears
3. Input mounting flange
4. Input shaft
5. Induction device

Here is an image illustrating the construction:

Each part performs a specific function:

1. The crossed roller bearing provides high rigidity and precision rotation.
2. The high-precision gears ensure accurate and stable motion transmission.
3. The input mounting flange provides easy installation and connection with other equipment.
4. The input shaft transfers the power to the planetary gearbox.
5. The induction device detects the rotation angle and provides feedback to the control system.

Working Principle of Hollow Rotary Actuator

The working principle of the Hollow Rotary Actuator is as follows:

1. Drive Source: The Hollow Rotary Actuator is usually powered by a motor such as a servo motor, stepper motor, or DC motor. The motor transforms electrical energy into mechanical energy and transmits it to the transmission system through the input shaft.
2. Transmission Mechanism: The transmission system generally contains a set of precision gears, such as a planetary gearbox. The power from the motor is delivered to the sun gear through the input shaft. The sun gear drives a group of planetary gears that rotate around it and revolve around the internal ring gear, achieving torque amplification and reduction of rotation speed. This design enables the Hollow Rotary Actuator to provide high torque output while maintaining a compact structure.
3. Hollow Shaft Design: The core feature of the actuator is the internal hollow rotating shaft, which allows cables, fluid pipelines, or other necessary components to pass through the axis without affecting the actuator's rotation function. This feature greatly enhances the device's integration in limited space.
4. Position Control and Feedback: To achieve precise position control, the Hollow Rotary Actuator is equipped with position sensors such as encoders or magnetostrictive displacement sensors. These sensors detect the actuator's rotation angle in real-time and transmit the data back to the control system, forming a closed-loop feedback mechanism that ensures the actuator moves accurately to the target position.
5. Load Application: The output end of the actuator is connected to the load that needs to rotate, such as robot joints, radar antennas, medical equipment, etc., through a flange or other interface methods, enabling precise continuous or intermittent rotation operations.

Here is an image illustrating the working principle:

In summary, the Hollow Rotary Actuator is a highly precise rotary actuator that converts electrical energy into mechanical energy through a motor and a transmission system containing precision gears. Its core feature is the internal hollow rotating shaft, which enables it to provide high torque output while maintaining a compact structure. It is widely used in various fields such as industrial automation, robotics, aerospace, medical equipment, military equipment, and other fields, thanks to its accurate and stable rotation control.

Design and Selection Considerations of Hollow Rotary Actuator

The design and selection considerations of the Hollow Rotary Actuator include:

Applications of Hollow Rotary Actuator

The Hollow Rotary Actuator has a wide range of applications in different fields, including:

1. Robotics: The Hollow Rotary Actuator is widely used in various robotic joints, such as robot arms, legs, and grippers, to achieve precise and stable motion control.
2. Aerospace: The Hollow Rotary Actuator is used in aerospace equipment such as satellites, rockets, and aircraft for critical functions such as solar panel positioning, antenna pointing, and engine control.
3. Medical Equipment: The Hollow Rotary Actuator is used in medical equipment such as CT scanners, MRI machines, and surgical robots for precise and smooth motion control.
4. Military Equipment: The Hollow Rotary Actuator is used in military equipment such as unmanned aerial vehicles, tanks, and radar systems for accurate and reliable motion control.
5. Optical Instruments: The Hollow Rotary Actuator is used in optical instruments such as telescopes, microscopes, and cameras for smooth and stable motion control.
6. Industrial Automation: The Hollow Rotary Actuator is used in various industrial automation equipment such as assembly lines, packaging machines, and material handling systems for accurate and reliable motion control.

Here is an image illustrating the applications:

About Us

We are a modern enterprise that integrates research and development, design, manufacturing, sales, and service of professional servo electric cylinders, servo press equipment, and other servo stamping equipment. We have a professional design team, processing team, assembly team, sales, and after-sales service team. We mainly develop and produce servo cylinders, servo press machines, electric push rods, electric slide tables, and multi-degree-of-freedom platforms. We are committed to providing high-quality products and sincere service, and always adhering to the principles of "integrity, sincerity, stability, and compliance".

Author: Miya