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

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

The TH450 hollow rotary actuator Rotating Platform Table With High Precision Planetary Gearbox is a high-precision motion control device that is used to rotate loads with high accuracy. It is also known as a Hollow Rotary Platform or Hollow Rotary Table. The product is widely used in various applications due to its unique design and precision. The Hollow Rotary Actuator is a versatile device that can be used in many industries, including robotics, aerospace, medical, military, optics, and industrial automation.

Technical Parameter

Specifications	TH450-10
Reduction ratio	1:10
Allowable torque	456Nm
Adapted motor	2KW-7.5KW AC Servo motor
Rotating platform bearings	Cross Roller Bearing
Moment of inertia	380230*0.000001 kg.m²
Permissible speed	200r/min
Allowable inertia load	767N
Allowable axial load	15000N
Positioning accuracy	≤1arcmin
Repeated positioning accuracy	20arcsec
Deviation of rotating platform tabletop	士 0.005mm
Parallelism of rotating platform	士0.015mm
Concentricity of rotating platform	±0.01 mm
Precision lifespan	20000 h
Protection level	IP40
Weight	81kg

Hollow Rotary Actuator Construction

The Hollow Rotary Actuator consists of five main components:

1. Crossed Roller Bearing: The crossed roller bearing is used to support the output table and provide smooth rotation.
2. Precision Gear: The precision gear is used to transmit torque and reduce speed.
3. Input Mounting Flange: The input mounting flange is used to connect the actuator to the driving source.
4. Input Shaft: The input shaft is used to transfer torque from the driving source to the actuator.
5. Sensing Device: The sensing device is used to detect the position of the actuator and provide feedback to the control system.

The crossed roller bearing provides smooth rotation and high rigidity. The precision gear is used to reduce speed and increase torque. The input mounting flange is used to connect the actuator to the driving source, and the input shaft transfers torque from the driving source to the actuator. The sensing device provides feedback to the control system, allowing for precise positioning and control.

Hollow Rotary Actuator Working Principle

The Hollow Rotary Actuator is driven by a motor and a precision gear system. The motor provides the driving force, and the precision gear system reduces the speed and increases the torque output. The actuator has a hollow shaft that allows cables, fluid lines, or other necessary components to pass through the center without affecting the rotation of the actuator. The sensing device provides feedback to the control system, allowing for precise positioning and control.The Hollow Rotary Actuator has the following working components:

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 transfers it to the transmission system.
2. Transmission Mechanism: The transmission system typically includes a set of precision gears, such as a planetary gearbox. The motor's power is transferred to the sun gear via the input shaft, and the sun gear drives a set of planetary gears that rotate around it. These planetary gears rotate around the internal ring gear, providing torque amplification and reducing the rotation speed.
3. Hollow Shaft Design: The actuator's core feature is an internal hollow rotating shaft that allows cables, fluid lines, or other necessary components to pass through the center without affecting the actuator's rotation function. This feature greatly enhances the equipment'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 sensing devices 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 accurately follows the set target position.
5. Load Application: The output end of the actuator is connected to the load that needs to be rotated, such as robot joints, radar antennae, medical equipment, etc., enabling precise continuous or intermittent rotation operations.

In summary, the Hollow Rotary Actuator is a high-precision motion control device that uses a motor and precision gear system to provide precise rotation control. The actuator's core feature is an internal hollow rotating shaft that allows cables, fluid lines, or other necessary components to pass through the center without affecting the actuator's rotation function. The sensing device provides feedback to the control system, allowing for precise positioning and control.

Hollow Rotary Actuator Design and Selection Considerations

Design and Selection Considerations	Description
Load Capacity	The maximum load that the actuator can handle.
Torsional Stiffness	The ability of the actuator to resist twisting under load.
Speed Range	The range of rotation speeds that the actuator can achieve.
Accuracy	The level of precision that the actuator can achieve.
Mounting Configuration	The mounting interface between the actuator and the driving source and the load.
Environmental Considerations	The operating environment of the actuator and any special requirements, such as temperature, humidity, or cleanliness.

Hollow Rotary Actuator Applications

The Hollow Rotary Actuator is used in various applications, including:

1. Robotics: The Hollow Rotary Actuator is commonly used in robot joints and manipulators, providing precise rotation control while maintaining a compact design.
2. Aerospace: The Hollow Rotary Actuator is used in satellite systems, radar antennas, and other aerospace applications, providing high-precision rotation control in harsh environments.
3. Medical Devices: The Hollow Rotary Actuator is used in medical devices, such as surgical robots and imaging systems, providing precise rotation control in confined spaces.
4. Military Equipment: The Hollow Rotary Actuator is used in military equipment, such as missile guidance systems and unmanned aerial vehicles, providing high-precision rotation control in harsh environments.
5. Optical Instruments: The Hollow Rotary Actuator is used in optical instruments, such as telescopes and microscopes, providing precise rotation control for imaging and positioning.
6. Industrial Automation: The Hollow Rotary Actuator is used in industrial automation, such as assembly and packaging systems, providing high-precision rotation control for manufacturing processes.

About Our Company

We are a modern enterprise that specializes in the research and development, design, manufacture, 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 team, and after-sales service team. Our company mainly develops and produces servo cylinders, servo press machines, electric push rods, electric slide tables, and multi-degree-of-freedom platforms, etc. We always adhere to the "integrity, sincerity, stability, and compliance" principle and are committed to providing high-quality products and sincere service to our customers.Author: Miya