THM450 Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox

THM450 Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox

Product Overview

The THM450 hollow rotary actuator Rotating Platform Table With High Precision Planetary Gearbox, also known as Hollow Rotary Platform or Hollow Rotary Table, is a high-precision motion control system designed for various applications. The product features a hollow rotating shaft that allows cables, fluid lines, or other necessary components to pass through the center without affecting the rotation function.The THM450 Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox has a compact structure with excellent performance. It is widely used in many industries such as robotics, aerospace, medical devices, military equipment, optical instruments, and industrial automation. The future market trend for the product is promising due to its high precision and versatility.

Technical Parameter

Specifications	THM450
Reduction ratio	30/40/50/60/70/80/100
Rated torque	342/542/650/600/550/500/450Nm
Adapted motor	2000/4400W AC Servo motor
Emergency stop torque	3x rated torque
Rated input speed	3000rpm
Maximum input speed	6000rpm
Return gap	≤1arcmin
Torsional rigidity	50Mn/arcmin
Permissible radial force	9400N
Permissible axial force	4700N
Service life	20000hr （Continuous operation reduces service life by 50%)
Transmission efficiency	97%
Working temperature	-10-+90℃
Protection level	IP65
Lubrication	synthetic lubricating oil and grease
Noise	≤65dB(A)
Moment of inertia	7.03-9.21g.cm²
Weight	95.5kg

Hollow Rotary Actuator Construction

The Hollow Rotary Actuator consists of five parts:

1. Cross Roller Bearing: It provides radial and axial load support and enables high precision motion.
2. Precision Gear: It enables high-precision rotation and torque transmission.
3. Input Mounting Flange: It is the interface for input connection.
4. Input Shaft: It transmits power from the motor to the transmission system.
5. Sensing Device: It provides real-time feedback to ensure accurate positioning.

The cross roller bearing provides high rigidity and high accuracy motion. The precision gear is designed for high torque transmission and smooth rotation. The input mounting flange and input shaft provide a reliable connection between the motor and the transmission system. The sensing device ensures accurate position control.

Working Principle

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

1. Drive Source: The Hollow Rotary Actuator is typically driven by a motor, which can be a servo motor, stepper motor, or DC motor. The motor converts electrical energy into mechanical energy and transmits it to the transmission system through the input shaft.
2. Transmission Mechanism: The transmission system typically consists of a set of precision gears, such as a planetary gearset. The motor's power is transmitted to the sun gear through the input shaft, and the sun gear drives a set of planet gears that rotate around the sun gear and revolve around the internal gear. This design allows 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 an internal hollow shaft that allows cables, fluid lines, or other necessary components to pass through the center without affecting the 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 data back to the control system, forming a closed-loop feedback mechanism that ensures accurate operation according to the set target position.
5. Load Application: The output end of the actuator is connected to the load that needs to rotate through a flange or other interface, such as robot joints, radar antennas, medical equipment, etc., allowing for accurate continuous or intermittent rotation operation.

The Hollow Rotary Actuator is a high-precision motion control system designed to provide high torque output while maintaining a compact structure. It adopts a planetary gearset transmission system and has an internal hollow shaft design that allows cables, fluid lines, or other necessary components to pass through the center without affecting the rotation function. The actuator is equipped with position sensors to ensure accurate position control.

Hollow Rotary Actuator Design and Selection Considerations

The design and selection considerations for the Hollow Rotary Actuator are as follows:

Consideration	Description
Load Capacity	The actuator's load capacity should be greater than the load it is expected to handle.
Speed and Torque	The actuator's speed and torque should match the application's requirements.
Accuracy	The actuator's accuracy should match the application's requirements.
Environment	The actuator's environment should be considered, such as temperature, humidity, and cleanliness.
Integration	The actuator's integration should be considered, such as the mounting interface, the need for a hollow shaft, or other necessary components.

Applications

The Hollow Rotary Actuator is widely used in many industries. Some specific applications are as follows:

1. Robotics: It is used in robot joints, grippers, and other motion control systems.
2. Aerospace: It is used in satellite tracking, antenna positioning, and other high-precision motion control systems.
3. Medical Devices: It is used in diagnostic equipment, surgical robots, and other medical devices.
4. Military Equipment: It is used in missile guidance systems, radar antennas, and other military equipment.
5. Optical Instruments: It is used in telescopes, cameras, and other high-precision motion control systems.
6. Industrial Automation: It is used in assembly lines, packaging equipment, and other motion control systems.

The Hollow Rotary Actuator is widely used in various industries, including robotics, aerospace, medical devices, military equipment, optical instruments, and industrial automation. It provides high-precision motion control and high torque output in a compact structure, making it suitable for various applications.

About Us

We are a modern enterprise that specializes in the research and development, design, manufacturing, sales, and service of servo electric cylinders, servo press equipment, and other servo stamping equipment. We have a professional design team, processing team, assembly team, sales team, and after-sales service team.Our main products include servo cylinders, servo presses, electric pushrods, electric slide tables, multi-degree-of-freedom platforms, and other servo stamping equipment. We adhere to the principle of "integrity, sincerity, stability, and compliance" and strive to provide customers with carefully designed, well-crafted, and excellent products and sincere services.Author: Miya