Hollow RV reducer is an RV cycloidal pinwheel reducer with a hollow shaft design and an internal hollow structure. Belonging to high-precision and high rigidity deceleration devices. It combines planetary gear transmission and cycloidal pinwheel transmission technology, achieving compact layout and convenient cable/pipeline penetration through a hollow shaft structure. Hollow RV reducer is widely used in fields such as robots and automation equipment that require high-precision and high torque transmission.
Hollow RV reducer adopts a hollow shaft design, which allows motor cables, air pipes, hydraulic pipes, or laser beams to pass through, reducing external wiring and optimizing equipment space layout. The typical hollow diameter range is 20mm~150mm (depending on the model).
RV reducer is usually composed of cycloidal pinwheels and planetary gears, while hollow RV reducer has a hollow gear at the center, forming a hollow shaft structure that allows cables, pipelines, or other components to pass through.
Hollow RV reducer retains the advantages of high precision, high rigidity, and high torque of RV reducers. At the same time, the hollow shaft design facilitates the layout of cables and pipelines, effectively solving the interference problem between cables and structures during operation, making the internal layout of the equipment more compact and tidy, and helping to improve the reliability and maintenance convenience of the equipment.
Hollow RV Reducer is widely used in industrial robots, rotating workbenches, various positioning devices, machine tools, medical equipment, automatic tool changers (ATC), automatic guided vehicles (AGV) drives, and other fields. For example, in industrial robots, it can be used for robot joints to facilitate the routing of cables inside the robot arm; In machine tools, it helps to achieve more compact structural design and more flexible layout.
Here In this page, we introduce Hollow RV Reducer from TallMan Robotics, which is the top leading manufacturer of RV Gearboxes, you will see data sheet, production pictures,videos as follows:
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RV-C Series: Hollow Type Cycloidal Gearboxes |
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Also You are welcome to watch more projects or visit our video gallery by Youtube: https://www.youtube.com/@tallmanrobotics
There are differences between Hollow RV Reducer and Input Flange RV Reducer in terms of structural features, installation methods, and application scenarios, as follows:
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Comparison Dimension |
Hollow RV Reducers |
Input Flange RV Reducer |
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Structural characteristics |
It has a hollow shaft structure with a hollow hole in the center, allowing cables, pipelines, or other shaft components to pass through it, facilitating the layout of internal cables and pipelines, optimizing the internal space layout of the equipment, and reducing cable interference. |
The key is that the input end adopts a flange connection structure. Through standardized flanges, it can be directly rigidly connected to the output end of motors or other power sources to ensure the coaxiality and stability of power transmission. Usually, there is no dedicated hollow channel inside for threading wires or pipes. |
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Installation method |
During installation, the main consideration is the overall fixation and connection with the load end. The layout of cables or pipelines also needs to be planned simultaneously to ensure that they pass through and are fixed smoothly through the hollow holes. |
During installation, the bolt holes on the flange can be used to directly connect it to the flange surface of the motor output end through bolts. The installation process is relatively simple and can quickly assemble with the power source, reducing the use of additional connectors. |
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Performance advantages |
In addition to the high precision and rigidity of RV reducers, its hollow design can effectively protect cables and pipelines, reduce the risk of external forces such as bending and stretching, and improve the reliability and stability of equipment operation. |
Due to the reduced elastic deformation and installation deviation of traditional couplings and other intermediate links caused by flange connections, higher coaxiality can be achieved, thereby improving transmission accuracy, reducing transmission errors, and withstanding larger radial forces, axial forces, and impact torques. |
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Application scenarios |
Commonly used in industrial robots, rotating workbenches in automated production lines, and automated guided vehicles (AGVs), which typically require cables to be placed in moving parts to transmit signals or power. Hollow designs can meet this requirement. |
Mainly used in applications that require high installation convenience and transmission stability, such as joints in industrial robots, feed axis drives in precision machine tools, high-precision motion mechanisms in medical equipment, etc. It can efficiently cooperate with servo motors to achieve precise motion control. |
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