THM060 Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox

THM060 Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox

The THM060 hollow rotary actuator Rotating Platform Table With High Precision Planetary Gearbox, also known as Hollow Rotary Platform and Hollow Rotary Table, is a precision motion control device that provides rotary positioning for a wide range of applications. It is a device that has a hollow through-hole that allows cables, pipes, or any necessary components to pass through the center axis of rotation while maintaining its rotational functionality.

Technical Parameter

Specifications	THM060
Reduction ratio	15/20/25/30/35/40/50/70/80/100
Rated torque	20/19/22/20/22/22/22/19/17/14Nm
Adapted motor	50/100W AC Servo motor
Emergency stop torque	3x rated torque
Rated input speed	5000rpm
Maximum input speed	10000rpm
Return gap	≤1arcmin
Torsional rigidity	3Mn/arcmin
Permissible radial force	780N
Permissible axial force	390N
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	≤56dB(A)
Moment of inertia	0.03kg.cm²
Weight	1.5kg

Basic Structure of Hollow Rotary Actuator

The basic structure of the Hollow Rotary Actuator consists of:

• 1. Crossed Roller Bearings
• 2. Precision Gears
• 3. Input Mount Flange
• 4. Input Shaft
• 5. Sensing Devices

The crossed roller bearings provide high accuracy and stiffness, while the precision gears transmit torque with minimum backlash. Input shaft and mount flange allow easy installation of the actuator. Sensing devices such as encoders or magnetostrictive displacement sensors provide position feedback for precise motion control.

Working Principle of Hollow Rotary Actuator

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 driving system. The driving system typically contains a set of precision gears such as a planetary gearbox. The motor's power is transmitted to the sun gear, which drives a set of planetary gears that rotate around it. These planetary gears simultaneously rotate and revolve around the internal ring gear, thereby achieving torque amplification and speed reduction. This design allows the Hollow Rotary Actuator to provide high torque output while maintaining a compact structural size.The Hollow Rotary Actuator's core feature is an internal hollow rotating shaft that allows cables, fluid lines, or other necessary components to pass through the axis without affecting the actuator's rotational functionality. This feature greatly enhances the equipment's integration in limited space. The actuator's output end is connected to the load that needs to be rotated, such as robot joints, radar antennas, medical devices, etc., allowing for precise continuous or intermittent rotational motion.In summary, the Hollow Rotary Actuator's working principle consists of:

1. Drive Source
2. Transmission Mechanism
3. Hollow Shaft Design
4. Position Control and Feedback
5. Load Application

Design and Selection Considerations of Hollow Rotary Actuator

When designing and selecting a Hollow Rotary Actuator, the following factors should be considered:

Factor	Description
Load Capacity	The maximum load that the actuator can handle
Rotational Speed	The maximum speed at which the actuator can rotate
Torque Capacity	The maximum torque that the actuator can provide
Accuracy	The degree of precision required for the application
Environmental Conditions	The operating environment, such as temperature, humidity, and dust

Applications of Hollow Rotary Actuator

Hollow Rotary Actuator has a wide range of applications, such as:

• 1. Robotics
• 2. Aerospace
• 3. Medical Devices
• 4. Military Equipment
• 5. Optical Instruments
• 6. Industrial Automation

For example, in robotics, the Hollow Rotary Actuator is used for robot joints, allowing for precise and continuous rotation. In the aerospace industry, it is used for antenna positioning systems. In medical devices, it is used for precise positioning of surgical tools. In military equipment, it is used for missile launchers. In optical instruments, it is used for precise positioning of lenses. In industrial automation, it is used for positioning systems in assembly lines.

About Our Company

We are a modern enterprise specializing in the development, production, and sales of professional 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, and multi-degree-of-freedom platforms. Our company always adheres to the principles of "integrity, sincerity, stability, compliance," and is committed to meticulous design, fine manufacturing, excellent products, and sincere service.Author: Miya