THR200 Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox

THR200 Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox

The THR200 hollow rotary actuator Rotating Platform Table With High Precision Planetary Gearbox, also known as the Hollow Rotary Platform and Hollow Rotary Table, is a high-precision motion control device with a hollow central axis. This device is used extensively in automation and motion control applications.

Technical Parameter

Specifications	THR200
Reduction ratio	10/20/30/50
Rated torque	48Nm
Adapted motor	750/1500W AC Servo motor
Emergency stop torque	2.5x rated torque
Rated input speed	1500rpm
Maximum input speed	20000rpm
Return gap	≤1arcmin
Torsional rigidity
Permissible radial force	1050N
Permissible axial force	550N
Service life	20000hr （Continuous operation reduces service life by 50%)
Transmission efficiency	95%
Working temperature	-10-+90℃
Protection level	IP65
Lubrication	synthetic lubricating oil and grease
Noise	≤65dB(A)
Moment of inertia	0.07kg.cm²
Weight	12kg

Hollow Rotary Actuator Basic Structure

The Hollow Rotary Actuator consists of the following components:

1. Cross roller bearing.
2. Precision gears.
3. Input mounting flange.
4. Input shaft.
5. Sensing device.

Each component of the Hollow Rotary Actuator has a specific function:

• The cross roller bearing provides high axial and radial stiffness.
• The precision gears ensure accurate and smooth motion.
• The input mounting flange allows the actuator to be securely attached to the driving motor.
• The input shaft transmits the driving force from the motor to the gears.
• The sensing device detects the actuator's position and sends the data to the control system.

Hollow Rotary Actuator Working Principle

The Hollow Rotary Actuator operates based on the following principles:

1. Drive source: The Hollow Rotary Actuator is typically powered by a motor, such as a servo motor, stepper motor, or DC motor. The motor converts electrical energy into mechanical energy and transmits it to the transmission system via the input shaft.
2. Transmission mechanism: The transmission system typically consists of a precision gear set, such as a planetary gearbox. The driving force from the motor is transmitted to the sun gear via the input shaft. The sun gear drives a set of planetary gears that rotate around it. These planetary gears rotate around their own axes and revolve around the internal ring gear, which results in torque amplification and reduced rotational 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 an internal hollow shaft that allows cables, fluid lines, or other necessary components to pass through the axis without affecting the actuator's rotational function. This feature greatly enhances the device's integration capability 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 send the data back to the control system to form a closed-loop feedback mechanism, ensuring that the actuator operates accurately according to the target position settings.
5. Applied load: The actuator's output end is connected to the load that needs to be rotated, such as a robot joint, radar antenna, medical equipment, etc. through a flange or other interface, enabling it to perform continuous or intermittent rotation operations with high precision.

In summary, the Hollow Rotary Actuator is a high-precision motion control device with a hollow central axis, which is powered by a motor, equipped with a precision gear set, and has an internal hollow shaft design. The device is used to achieve precise position control and rotation operations in limited space applications.

Hollow Rotary Actuator Design and Selection Considerations

Considerations	Description
Load capacity	The maximum load that the actuator can handle.
Torsional stiffness	The ability of the actuator to resist torsional deformation.
Rotational speed	The maximum rotational speed that the actuator can achieve.
Positioning accuracy	The degree of accuracy that the actuator can achieve in positional control.
Environmental conditions	The operating temperature range, humidity, and other environmental conditions that the actuator can withstand.
Mounting requirements	The interface type, size, and mounting method required for the actuator to be connected to the load and the driving motor.

Hollow Rotary Actuator Applications

The Hollow Rotary Actuator is widely used in the following industries:

1. Robotics: The Hollow Rotary Actuator is used in robot arms, grippers, and other robotic equipment, providing high-accuracy and flexible motion control.
2. Aerospace: The Hollow Rotary Actuator is used in satellite antennas, solar panels, and other aerospace equipment, providing reliable and precise motion control in harsh environments.
3. Medical equipment: The Hollow Rotary Actuator is used in CT scanners, X-ray machines, and other medical equipment, providing high-precision and smooth motion control.
4. Military equipment: The Hollow Rotary Actuator is used in radar systems, missile launchers, and other military equipment, providing accurate and reliable motion control in critical applications.
5. Optical instruments: The Hollow Rotary Actuator is used in telescopes, laser cutting machines, and other optical instruments, providing high-accuracy and stable motion control.
6. Industrial automation: The Hollow Rotary Actuator is used in assembly lines, packaging machines, and other industrial automation equipment, providing high-speed and precise motion control.

About Our Company

We are a modern enterprise specializing in the development, production, sales, and service of servo electric cylinders, servo press equipment, and other servo stamping equipment. Our company has 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, multi-degree-of-freedom platforms, and other servo stamping equipment. Our company always adheres to the principles of "integrity, sincerity, stability, and compliance," and focuses on careful design, fine manufacturing, and excellent product quality and sincere service.Author: Miya