Hypoid Gear Hollow Actuator is a precision rotary actuator that integrates a hypoid gear transmission system, hollow structure design, and power drive function. It is mainly used to convert motor power into controllable rotational motion, while meeting special installation or functional requirements through a central hollow structure. It is widely used in automation equipment, precision manufacturing, robotics technology, and other fields.
Hypoid Gear Hollow Actuator is a precision rotary drive device that combines hypoid gear transmission and hollow shaft design. It is mainly used in automation scenarios that require high torque, high rigidity, low backlash, and allow center threading. Its core feature is to utilize the transmission advantages of hypoid gears (high load, low noise), while achieving the connection of cables, air circuits or mechanical components through a hollow structure.
The design of Hypoid Gear Hollow Actuator revolves around three core elements: "Efficient Transmission", "Hollow Function", and "Precise Control".
Typical structures include:
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1 |
Hypoid Gear Train |
1).A hypoid gear is a special type of helical gear composed of a pair of gears with non intersecting axes but perpendicular (or angled) to each other (usually a driving pinion and a driven gear). Compared with ordinary helical gears or worm gears, its tooth contact area is larger, transmission efficiency is higher (usually 85% -95%), it can transmit greater torque, and allows for offset (non collinear) between the input shaft and output shaft, reducing installation space limitations. 2).Transmission process: The motor power drives the active hypoid small gear through the input shaft, and then meshes to drive the driven gear, ultimately transmitting the rotational motion to the output table. At the same time, torque amplification and speed adjustment are achieved through gear reduction ratios (such as 10:1, 50:1). |
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2 |
Hollow Design |
1).A hollow hole (with a diameter ranging from tens of millimeters to hundreds of millimeters) is reserved in the center of the actuator for threading pipelines (such as cables, air pipes, optical fibers), avoiding protruding parts of workpieces, or achieving a "through type" installation of workpieces passing through the center (such as fixing the central axis of the workpiece through the hollow hole during rotation detection). 2).The presence of hollow holes does not affect the overall structural rigidity, and the tabletop can still be supported by high-precision bearings (such as cross roller bearings) to ensure smooth rotation. |
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3 |
Drive and Control Module |
1).Usually integrated with servo motors (providing power), encoders (position feedback), and controller interfaces to form a closed-loop control system that supports precise positioning (such as within ± 0.1 °) and speed adjustment. Some models are compatible with stepper motors or DC motors, adapting to different precision requirements. |
Key technical parameters (selection core indicators) of Hypoid Gear Hollow Actuator
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1 |
Transmission parameters |
1).Reduction ratio: determines the output torque and speed (reduction ratio=motor speed/output speed=output torque/motor torque, ignoring losses), commonly ranging from 5:1 to 100:1, and needs to be selected according to load torque and cycle requirements. 2).Transmission efficiency: directly affects energy consumption and heat generation. For high-precision scenarios, priority should be given to selecting models with an efficiency of ≥ 90%. |
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2 |
Hollow design parameters |
1).Hollow aperture: It is necessary to match the threading diameter, workpiece size, or avoidance requirements to avoid limiting the usage scenario due to the aperture being too small. 2).Table size: The diameter or side length needs to cover the installation requirements of the workpiece and fixture, and the surface usually has T-shaped grooves or threaded holes for fixation. |
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3 |
Accuracy and Load Capacity |
1).Positioning accuracy/repeatability positioning accuracy: core indicator, precision detection requires ≤± 10 arc seconds, and industrial assembly can relax to ± 1 arc minute. 2).Maximum axial/radial load and overturning moment: need to be calculated based on the total weight of the workpiece and installation eccentricity to avoid bearing wear or accuracy degradation caused by overload. |
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4 |
Control and Compatibility |
1).The motor type (servo/stepper), feedback method (encoder type), and control interface (pulse/bus/EtherCAT) need to be compatible with the upper computer or PLC and support automation linkage. |
Here In this page, we introduce series of Hypoid Gear Hollow Rotary Platforms,you can see data sheet, production pictures,vedios of test as follows:
Also You are welcome to watch more projects or visit our video gallery by Youtube: https://www.youtube.com/@tallmanrobotics
Packing and delivery of Hollow Rotary Tables:
Production of Hollow Rotary Tables:
Compared to other gear driven rotary actuators such as worm gear actuators and planetary gear rotary tables, the unique advantages of Hypoid Gear Hollow Actuator are reflected in:
1).High transmission efficiency and torque density: The meshing characteristics of hypoid gears make their transmission efficiency significantly higher than that of worm gears (usually only 60% -70%), and they can output greater torque at the same motor power, making them suitable for heavy-duty scenarios.
2).Compact structure and installation flexibility: The input shaft and output shaft are designed non collinear (can be arranged vertically or offset), combined with the hollow hole function, which can adapt to complex equipment layouts and reduce space occupation.
3).Low noise and long lifespan: The gear tooth surface is precision ground, ensuring smooth meshing and lower operating noise than ordinary helical gears; And the contact stress distribution on the tooth surface is uniform, the wear is small, and the service life is longer (usually up to 10000 hours or more).
4).Balancing accuracy and load capacity: Through servo closed-loop control, the positioning accuracy can reach ± 5 arc seconds (precision model), while also being able to withstand axial/radial loads and overturning moments, suitable for requirements ranging from lightweight precision inspection to medium-sized industrial assembly.
Typical application scenarios of Hypoid Gear Hollow Actuator:
Hypoid Gear Hollow platforms are widely used in:
1).Precision automation assembly: such as rotating and aligning electronic components, multi station assembly of automotive parts, and threading cables through hollow holes to reduce pipeline entanglement.
2).Non contact detection equipment: such as optical detection and laser scanning, the center of the workpiece is fixed through a hollow hole, and the rotating table drives the detection lens to scan 360 °.
3).Robot joints and turntables: Small robot rotary joints (using compact structures), heavy-duty turntables (such as the fourth axis of a machine tool), require high torque output and avoid pipeline interference.
4).Packaging and Sorting Equipment: The assembly line rotates the sorting table, and pneumatic pipelines are arranged through hollow holes to achieve rapid switching of sorting stations.
Hypoid Gear Hollow Actors is an industrial execution equipment that integrates efficient transmission of hypoid gears, practical functions of hollow structures, and precise servo control. Its core value lies in solving the three major pain points of "heavy load transmission", "space limitation", and "pipeline avoidance". It is a key component for achieving rotational motion control in automated production lines and precision inspection equipment. When selecting, it is important to focus on matching the transmission ratio, hollow aperture, load capacity, and accuracy requirements, while also paying attention to compatibility with the control system.
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