THD260 Heavy Duty Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox

THD260 Heavy Duty Hollow Rotary Actuator Rotating Platform Table With High Precision Planetary Gearbox

The THD260 Heavy Duty hollow rotary actuator Rotating Platform Table With High Precision Planetary Gearbox is a type of rotary actuator that is characterized by its hollowed-out center. It is often referred to as a Hollow Rotary Platform or Hollow Rotary Table. This product is widely used in numerous fields due to its high precision and accuracy, including robotics, aerospace, medical equipment, military equipment, optical instruments, and industrial automation. As a result, it has a bright future in the market.

Technical Parameter

	THD260
Ratio	Single stage 15/21/30Double stage 60/75/105/120/150/210/300
Rated output torque	Single stage 2950/260/2200Double stage 2950/2950/2950/2950/2950/2650/2200
Maximum output torque	3x rated torque
Positioning accuracy	≤2arc-min Single stage
	≤4arc-min  Double stage
Repeated positioning accuracy	≤30arc-sec  Single stage
	≤60arc-sec Double stage
Bearing structure	Cross Roller Bearing
Permissible disc speed	200r pm(Intermittent operation)
Adaptive servo motor	2000-5000W
Adapt to stepper motors	130-150stepper
Allowable axial load	29600N
Permissible radial load	29600N
Design load-bearing capacity	1000KG
Allowable moment of inertia	750Nm
Torsion rigidity	175Nm/arcmin
Overturning moment	63000Nm
Precision lifespan	20000h(Intermittent operation)
Protection level	IP54
Lubrication method	Long lasting lubrication
Installation method	arbitrarily
Concentricity of rotating platform	≤0.01
Parallelism of rotating platform	≤0.01
Transmission efficiency	Single stage 95%  Double stage90%
Noise	≤67dB
Weight	Single stage 46KG  Double stage52KG

Hollow Rotary Actuator Components

The components of a Hollow Rotary Actuator include:

1. Crossed Roller Bearing
2. Precision Gears
3. Input mounting flanges
4. Input Shaft
5. Sensing Devices

Each component of the Hollow Rotary Actuator serves a specific purpose:

Crossed Roller Bearing

The Crossed Roller Bearing supports the rotating table and ensures smooth rotation with high accuracy.

Precision Gears

The precision gears are responsible for transmitting the power from the motor to the rotating table. They are usually in the form of a planetary gear system that provides high torque and low speed output.

Input Mounting Flanges

The input mounting flanges are used to connect the Hollow Rotary Actuator to external equipment.

Input Shaft

The input shaft is the means of transmitting power from the motor to the gearbox.

Sensing Devices

The sensing devices are used to detect the position of the rotating table and provide feedback to the control system.

Hollow Rotary Actuator Working Principle

The Hollow Rotary Actuator works by following these steps:

1. Drive System: The Hollow Rotary Actuator is powered by a motor, which can be a servo motor, a stepper motor, or a DC motor. The motor converts electrical energy into mechanical energy, which is then transmitted to the gearbox via the input shaft.
2. Transmission System: The transmission system typically consists of a set of precision gears, such as a planetary gear set. The power from the motor is transmitted to the sun gear, which drives a set of planetary gears. These planetary gears rotate around the sun gear while also rotating about their own axes. 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 an internal hollow rotating shaft that allows cables, fluid pipes, or other necessary components to pass through the shaft while not affecting the actuator's own 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 rotary angle of the actuator in real-time and transmit the data back to the control system, forming a closed-loop feedback mechanism that ensures accurate operation of the actuator to the target position set.
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., enabling it to perform precise continuous or intermittent rotation operations.

In summary, the Hollow Rotary Actuator is an actuator that uses a hollow rotating shaft to move a load. It is powered by a motor and has a transmission system that provides high torque output while maintaining a compact size. The actuator also has position sensors to provide precise position control and feedback.

Hollow Rotary Actuator Design and Selection Considerations

Consideration	Description
Load Requirements	The weight and size of the load that the actuator will be handling.
Accuracy	The degree of precision required for the application.
Rotational Speed	The rotational speed required for the application.
Environmental Conditions	The temperature, humidity, and other environmental factors that may affect the performance of the actuator.

Hollow Rotary Actuator Applications

The Hollow Rotary Actuator has a wide range of applications, including:

1. Robotics: The actuator is used in robotic applications, such as robotic arms and grippers, to provide precise and accurate movement.
2. Aerospace: The actuator is used in aerospace applications, such as satellites and space telescopes, to provide precise pointing and positioning.
3. Medical Equipment: The actuator is used in medical equipment, such as CT scanners and X-ray machines, to provide precise and accurate movement.
4. Military Equipment: The actuator is used in military equipment, such as surveillance systems and missile guidance systems, to provide precise and accurate movement.
5. Optical Instruments: The actuator is used in optical instruments, such as telescopes and cameras, to provide precise and accurate movement.
6. Industrial Automation: The actuator is used in industrial automation applications, such as assembly lines and pick-and-place machines, to provide precise and accurate movement.

About Our Company

We are a modern enterprise that specializes in the development, production, and sales of servo electric cylinders, servo pressure machines, electric pushrods, electric slide tables, multi-degree-of-freedom platforms, and other servo stamping equipment. Our company has a professional design team, processing team, assembly team, sales team, and after-sales service team. We adhere to the principles of "Integrity, Sincerity, Stability and Compliance" in the design, manufacturing, and sales of our products.Author: Miya