Product Description
Flange Input Right Angle High Output Torque Planetary Gearbox Tranmsission
Description:
N series of planetary reducers from SGR are widely used for industrial and heavy duty severe applications . planetary reducer feature with compact size, low noise , excellent reliability ,long life . In-line or right-angle planetary gearboxes are available in male and female shaft configurations. The CZPT male shaft solution (splined or cylindrical) is able to withstand strong radial or axial loads on the output shaft.
Key feature:
- Planetary gearbox is produced by modular design, and can be combined according to client’s request
- Involuted planetary gear design
- Nodular cast iron Housing to increase rigidity and antiknock
- Heavy duty bearing on low‐speed shaft, and can bear big radial load due to proportionate distribution of torque
- All gears are case hardened to get high surface hardness, which guarantee transmission efficiency and whole gearbox’s life
- Planetary gearbox has 16 models for different torque range, and each model have 1‐5 reduction stages to achieve different ratios
- Ratio range: 3.15‐9N. M
- Output speed: 0.425‐445 r/min
- Structure mode: Possibility of flange, foot, or shaft mounting solutions
- Wide and comprehensive range of N series for industrial applications
- Low speed shaft design: Cylindrical with key, splined, hollow with shrink disc or splined hollow shaft
- Rigid and precise nodular cast iron casing
- Low noise running, high manufacturing quality standard
- High and reliable performance, load capacity and low speed shaft bearing
N series planetary gearbox torque sheet with models
| Gear unit size | 200 | 201 | 240 | 241 | 280 | 281 | 353/354 | 355 | 400 | 401 |
| Normal output torque T2N[Nm] |
1500 | 2000 | 3500 | 4000 | 4300 | 7300 | 13000 | 16000 | 20000 | 23000 |
| Gear unit size | 428 | 429 | 445 | 446 | 510 | 542 | 543 | 695 | 810 | 885 |
| Normal output torque T2N[Nm] |
26000 | 30000 | 32000 | 43000 | 63000 | 75000 | 100000 | 150000 | 300000 | 420000 |
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| Application: | Motor, Machinery, Marine, Agricultural Machinery, Industry |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Coaxial |
| Hardness: | Hardened |
| Installation: | Horizontal Type |
| Step: | Four-Step |
| Samples: |
US$ 1000/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Role of Planetary Gearboxes in Powertrain Systems of Electric and Hybrid Vehicles
Planetary gearboxes play a critical role in the powertrain systems of both electric and hybrid vehicles, contributing to their efficiency and performance:
Electric Motor Integration: In electric vehicles (EVs) and hybrid vehicles, planetary gearboxes are commonly used to connect the electric motor to the drivetrain. They enable torque and speed transformation, ensuring the motor’s output is suitable for the vehicle’s desired speed range and load conditions.
Torque Splitting in Hybrids: Hybrid vehicles often have both an internal combustion engine (ICE) and an electric motor. Planetary gearboxes enable torque splitting between the two power sources, optimizing their combined performance for various driving scenarios, such as electric-only mode, hybrid mode, and regenerative braking.
Regenerative Braking: Planetary gearboxes facilitate regenerative braking in electric and hybrid vehicles. They enable the electric motor to function as a generator, converting kinetic energy into electrical energy during deceleration. This energy can then be stored in the vehicle’s battery for later use.
Compact Design: Planetary gearboxes offer a compact design with a high power density, making them suitable for the limited space available in electric and hybrid vehicles. This compactness allows manufacturers to maximize interior space and accommodate battery packs, drivetrain components, and other systems.
Efficient Power Distribution: The unique arrangement of planetary gears allows for efficient power distribution and torque management. This is particularly important in electric and hybrid powertrains, where optimal power allocation between different components contributes to overall efficiency.
CVT Functionality: Some hybrid vehicles incorporate Continuously Variable Transmission (CVT) functionality using planetary gearsets. This enables seamless and efficient transitions between various gear ratios, improving the driving experience and enhancing fuel efficiency.
Performance Modes: Planetary gearboxes facilitate the implementation of different performance modes in electric and hybrid vehicles. These modes, such as “Sport” or “Eco,” adjust the power distribution and gear ratios to optimize performance or energy efficiency based on the driver’s preferences.
Reduction Gear for Electric Motors: Electric motors often operate at high speeds and require reduction gearing to match the vehicle’s requirements. Planetary gearboxes provide the necessary gear reduction while maintaining efficiency and torque output.
Efficient Torque Transfer: Planetary gearboxes ensure efficient transfer of torque from the power source to the wheels, resulting in smooth acceleration and responsive performance in electric and hybrid vehicles.
Integration with Energy Storage: Planetary gearboxes contribute to the integration of energy storage systems, such as lithium-ion batteries, by efficiently connecting the power source to the drivetrain while managing power delivery and regeneration.
In summary, planetary gearboxes are integral components of the powertrain systems in electric and hybrid vehicles. They enable efficient power distribution, torque transformation, regenerative braking, and various driving modes, contributing to the overall performance, efficiency, and sustainability of these vehicles.

Differences Between Inline and Right-Angle Planetary Gearbox Configurations
Inline and right-angle planetary gearbox configurations are two common designs with distinct characteristics suited for various applications. Here’s a comparison of these configurations:
Inline Planetary Gearbox:
- Configuration: In an inline configuration, the input and output shafts are aligned along the same axis. The sun gear, planetary gears, and ring gear are typically arranged in a straight line.
- Compactness: Inline gearboxes are more compact and have a smaller footprint, making them suitable for applications with limited space.
- Efficiency: Inline configurations tend to have slightly higher efficiency due to the direct alignment of components.
- Output Speed and Torque: Inline gearboxes are better suited for applications that require higher output speeds and lower torque.
- Applications: They are commonly used in robotics, conveyors, printing machines, and other applications where space is a consideration.
Right-Angle Planetary Gearbox:
- Configuration: In a right-angle configuration, the input and output shafts are oriented at a 90-degree angle to each other. This allows for a change in direction of power transmission.
- Space Flexibility: Right-angle gearboxes offer flexibility in arranging components, making them suitable for applications that require changes in direction or where space constraints prevent a straight-line configuration.
- Torque Capacity: Right-angle configurations can handle higher torque loads due to the increased surface area of gear engagement.
- Applications: They are often used in cranes, elevators, conveyor systems, and applications requiring a change in direction.
- Efficiency: Right-angle configurations may have slightly lower efficiency due to increased gear meshing complexity and potential for additional losses.
Choosing between inline and right-angle configurations depends on factors such as available space, required torque and speed, and the need for changes in power transmission direction. Each configuration offers distinct advantages based on the specific needs of the application.

Contribution of Planetary Gearboxes to Efficient Industrial Automation and Robotics
Planetary gearboxes play a crucial role in enhancing the efficiency of industrial automation and robotics systems by offering several advantages:
1. Compact Design: Planetary gearboxes provide high power density and a compact form factor. This is essential in robotics and automation where space is limited and components need to be tightly integrated.
2. High Torque Density: Planetary gearboxes can achieve high torque output in a compact size, allowing robots and automated systems to handle heavy loads and perform demanding tasks efficiently.
3. Precision and Accuracy: The design of planetary gear systems ensures accurate and precise motion control. This is vital in robotics applications where precise positioning and smooth movement are required for tasks such as pick-and-place operations and assembly.
4. Redundancy: Some planetary gearboxes feature multiple stages and redundant configurations. This provides a level of built-in redundancy, enhancing the reliability of automation systems by allowing continued operation even if one stage fails.
5. Efficiency: Planetary gearboxes are designed for high efficiency, minimizing energy losses and ensuring that the power delivered to the output stage is effectively utilized. This efficiency is crucial for reducing energy consumption and optimizing battery life in robotic applications.
6. Speed Control: Planetary gearboxes allow for precise speed control, enabling robots to perform tasks at varying speeds as needed. This flexibility is essential for tasks that require different motion dynamics or speed profiles.
7. Reduction of Motor Loads: Planetary gearboxes can reduce the load on the motor by providing mechanical advantage through gear reduction. This allows smaller, more efficient motors to be used without sacrificing performance.
8. Shock Absorption: The inherent elasticity of gear teeth in planetary gearboxes can help absorb shocks and impacts, protecting the system components and ensuring smooth operation in dynamic environments.
9. Customization: Planetary gearboxes can be tailored to specific application requirements, including gear ratios, output configurations, and mounting options. This adaptability allows for optimal integration into various automation and robotics setups.
10. Maintenance and Durability: High-quality planetary gearboxes are designed for durability and low maintenance. This is especially important in industrial automation and robotics, where continuous operation and minimal downtime are essential.
Overall, planetary gearboxes contribute significantly to the efficient operation of industrial automation and robotics systems by providing the necessary torque, precision, compactness, and reliability required for these dynamic and demanding applications.


editor by CX 2024-01-31