Hollow Shaft Bevel Gearbox
What is a Hollow Shaft Bevel Gearbox?
The hollow-shaft bevel gear reducer (commonly referred to as a hollow-shaft spiral bevel gearbox or a 90-degree hollow-output right-angle gearbox) is a specialized precision transmission unit designed for industrial right-angle drive applications. It features a dual-core design combining a hollow-shaft through-output structure with a 90-degree spiral bevel gear transmission. Unlike traditional solid-shaft reducers, it allows for direct mounting onto the load's main shaft-eliminating the need for couplings or adapter flanges-thereby enabling a compact, integrated installation. As an industrial-grade unit featuring hardened gear surfaces, it utilizes high-precision bevel gear meshing to reduce speed, amplify torque, and redirect power by 90 degrees, serving as a critical component in automated assembly lines, conveyor systems, mixing and lifting equipment, and automated storage and retrieval systems.
Models
Features
- Hollow-through design for ultra-compact, simplified installation: Featuring an integrated hollow output structure, it mounts directly onto the driven spindle or drive shaft of the equipment. This eliminates the need for additional couplings, flanges, or mounting brackets, significantly reducing installation space requirements. It is ideally suited for compact machine designs and integrated system layouts, perfectly accommodating specialized needs such as shaft-through transmission, central cable routing, and conduit pass-through.
- Exceptional adaptability with comprehensive customization options: hollow shaft bore diameter, keyway specifications, gear ratios, and mounting configurations can all be customized to non-standard requirements. It supports torque arm and flange mounting, as well as interchangeable horizontal and vertical installation, ensuring seamless compatibility with servo motors, stepper motors, and standard asynchronous motors to meet the needs of diverse non-standard industrial equipment.
- High coaxiality and minimal transmission loss: The hollow shaft bore is precision-bored, achieving a coaxiality error of ≤0.02mm. This ensures no eccentric wobble after sleeve-style installation and eliminates power transmission misalignment or additional frictional losses; the transmission precision far exceeds that of adapter-based solid shaft setups, resulting in superior long-term operational stability.
Products Description
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Model |
HD/HDF 09 11 14 17 21 24 28
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Ratio |
1, 1.5, 2, 3, 4, 5 |
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Customized |
OEM |
| Efficiency |
95~96% |
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Input speed |
750~2000rpm |
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Working life |
More than 20000h |
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Usage |
Change direction |
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Weight |
6~115kg |
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Warranty |
1 year |
Drawings
Shaft direction
Installation position
Our advantages
Application
Product Selection Guide
To assist customers in making precise selections and avoiding equipment failures caused by parameter mismatches, please refer to the following key criteria. We also offer complimentary, one-on-one selection support:
- Confirm operating parameters: Input speed, required output speed, rated load torque, and duty cycle (continuous vs. intermittent operation).
- Confirm installation requirements: Mounting orientation (horizontal/vertical/flange), available installation space, and shaft connection method.
- Confirm operating environment: Standard ambient conditions or harsh environments (high/low temperature, humidity, or dust).
- Confirm transmission requirements: Need for 90° directional change, transmission ratio precision, and noise control specifications.
If specific parameters are not yet available, simply provide details on the associated equipment model, power rating, and application scenario; our technical team can quickly identify the optimal model. We also support the customization of bevel gear reducers with non-standard specifications, materials, and sealing ratings.
Company Profile
FAQ
Q1: What is the fundamental difference between hollow-shaft and solid-shaft bevel gear reducers?
A1: The key difference lies in the output structure and mounting method: hollow-shaft models feature a hollow, through-bore output that mounts directly onto the load's main shaft-eliminating the need for couplings or adapter flanges-resulting in a more compact design, superior coaxiality, and reduced transmission loss. In contrast, solid-shaft models require external mounting accessories, which take up more space and are prone to higher cumulative errors. Hollow-shaft models are better suited for integrated systems, confined spaces, and through-shaft transmission applications, making them the preferred choice for high-end automation and precision equipment.
Q2: Can the bore diameter of a hollow shaft be customized according to the spindle size of the equipment?
A2: Yes. Standard bore diameters range from 8mm to 80mm. Non-standard precision machining customization is available based on the customer's equipment spindle diameter, keyway size, and shaft head structure.
Q3: Is the load-bearing capacity of hollow-shaft models lower than that of solid-shaft models?
A3: No. Our hollow shafts have undergone finite element analysis for mechanical optimization, with reinforced wall thickness and structural strength. Their core load-bearing capacity, impact resistance, and torque specifications are identical to those of solid-shaft gearboxes of the same model; the only difference lies in the output structure.
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