THG130 Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox

THG130 Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox

The THG130 hollow rotary actuator Rotating Platform Table With High Precision Planetary Gearbox is a product used for precision motion control. It is defined as a rotary actuator that has an internal hollow shaft and a high precision planetary gearbox. The Hollow Rotary Actuator has a wide range of applications due to its compact size and high torque output. It is also known by the aliases Hollow Rotary Platform and Hollow Rotary Table.

Technical Parameter

Specifications	THG130(i)
Reduction ratio	30/40/50/70/80/100
Rated torque	55/50/60/50/45/40Nm
Adapted motor	200/400W AC Servo motor
Emergency stop torque	3x rated torque
Rated input speed	5000rpm
Maximum input speed	10000rpm
Return gap	≤1arcmin
Torsional rigidity	7Mn/arcmin
Permissible radial force	1530N
Permissible axial force	765N
Service life	2000hr （Continuous operation reduces service life by 50%)
Transmission efficiency	97%
Working temperature	-10-+90℃
Protection level	IP65
Lubrication	synthetic lubricating oil and grease
Noise	≤58dB(A)
Moment of inertia	0.13kg.cm²
Weight	3.8kg

Hollow Rotary Actuator Construction

The Hollow Rotary Actuator is made up of several key components:

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

The cross-roller bearing provides high rigidity and accuracy, while the precision gear ensures smooth and precise rotation. The input mounting flange and input shaft allow for easy installation and connection to the drive system. The sensing device provides feedback to ensure accurate positioning and control.

Hollow Rotary Actuator Working Principle

The working principle of the Hollow Rotary Actuator is based on a drive source, a transmission mechanism, a hollow shaft design, position control and feedback, and load application.

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, which is then transmitted to the transmission system through the input shaft.
2. Transmission mechanism: The transmission system typically consists of a precision gear set, such as a planetary gearbox. The motor's power is transmitted through the input shaft to the sun gear, which drives a set of planet gears rotating around the sun gear. These planet gears simultaneously rotate and revolve along the internal ring gear, achieving torque amplification and reducing rotation speed. This design allows the Hollow Rotary Actuator to provide high torque output while maintaining a compact overall size.
3. Hollow shaft design: The core feature of the actuator is the presence of an internal hollow rotating shaft, which allows cables, fluid lines, or other necessary components to pass through the axis 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 to ensure that the actuator moves accurately according to 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 antennas, medical equipment, etc. This enables precise continuous or intermittent rotation operations.

The Hollow Rotary Actuator provides high precision, high torque output, and compact size, making it suitable for many industrial applications.

Hollow Rotary Actuator Design and Selection Considerations

When designing and selecting a Hollow Rotary Actuator, several factors need to be considered:

Factor	Description
Load capacity	Determines the maximum load the actuator can handle
Speed and accuracy	Determines the required rotation speed and accuracy of the actuator
Environmental conditions	Determines the temperature, humidity, and other environmental factors that the actuator will be exposed to
Integration requirements	Determines the required mounting and integration features of the actuator

Hollow Rotary Actuator Applications

The Hollow Rotary Actuator has a wide range of applications in various industries:

1. Robotics: Used in robot arms and joints for precise motion control
2. Aerospace: Used in satellite and spacecraft positioning systems
3. Medical equipment: Used in CT scanners and MRI machines for precise positioning
4. Military equipment: Used in missile launchers and radar systems for precise pointing and tracking
5. Optical instruments: Used in telescopes and cameras for precise positioning and tracking
6. Industrial automation: Used in assembly lines and manufacturing equipment for precise motion control

About Our Company

Our company is a modern enterprise specializing in the development, production, 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, and after-sales service team. Our company mainly develops and produces servo cylinders, servo presses, electric push rods, electric slide tables, multi-degree-of-freedom platforms, and other servo stamping equipment. We always adhere to the principles of "integrity, sincerity, stability, compliance," and focus on meticulous design, fine manufacturing, and sincere service to provide customers with high-quality products.Author: Miya