Product Description
Hydraulic Motor Inline Transmission Speed Reducer Planetary Gear Box
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
Data Sheet :Data Sheet :
| Torque range | 1 Nm | Input | IEC Flange |
| Mechanical rating (n1 = 1500 min-1) | up to 200kW | Electric motor | |
| Gear ratios | 3.15 … 5000 | Solid input shaft with or without fan cooling – inch or metric dims. | |
| Gear unit versions | In line | Applicable AC motors | Integral motors and brake motors |
| Right angle (with bevel gear set) | IEC-normalized motors and brake motors | ||
| Mounting type | Foot | Single and dual speed motors | |
| Flange mounted | Main brake features | DC and AC supply | |
| Torque-arm | Faster brake reaction through electronically controlled rectifier | ||
| Output shaft options | Solid shaft | Main motor options | Thermistors and thermostat sensors |
| Splined shaft | Independent forced cooling | ||
| Female splined shaft | Line driver and push-pull incremental encoder | ||
| Hollow shaft with shrink disc |
| Application: | Motor, Machinery, Marine, Toy, Agricultural Machinery |
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| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Stepless |
| Samples: |
US$ 2000/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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Concept of Coaxial and Parallel Shaft Arrangements in Planetary Gearboxes
In planetary gearboxes, the arrangement of shafts plays a crucial role in determining the gearbox’s overall structure and functionality. The two common shaft arrangements are coaxial and parallel configurations:
Coaxial Shaft Arrangement: In a coaxial arrangement, the input shaft and output shaft are positioned along the same axis, resulting in a compact and streamlined design. The planetary gears and other components are aligned concentrically around the central axis, allowing for efficient power transmission and reduced space requirements. Coaxial planetary gearboxes are commonly used in applications where space is limited, and a compact form factor is essential. They are often employed in robotics, automotive systems, and aerospace mechanisms.
Parallel Shaft Arrangement: In a parallel arrangement, the input and output shafts are positioned parallel to each other but on different axes. The planetary gears are aligned in a way that allows the power to be transmitted from the input shaft to the output shaft via a combination of meshing gears. This arrangement allows for a larger gear diameter and higher torque transmission capabilities. Parallel planetary gearboxes are often used in applications requiring high torque and heavy-duty performance, such as industrial machinery, construction equipment, and material handling systems.
The choice between coaxial and parallel shaft arrangements depends on the specific requirements of the application. Coaxial configurations are favored for compactness and efficient power transmission, while parallel configurations excel in handling higher torque and heavy loads. Both arrangements offer distinct advantages and are chosen based on factors like available space, torque demands, load characteristics, and overall system design.
Impact of Temperature Variations and Environmental Conditions on Planetary Gearbox Performance
The performance of planetary gearboxes can be significantly influenced by temperature variations and environmental conditions. Here’s how these factors impact their operation:
Temperature Variations: Extreme temperature fluctuations can affect the lubrication properties of the gearbox. Cold temperatures can cause the lubricant to thicken, leading to increased friction and reduced efficiency. On the other hand, high temperatures can cause the lubricant to thin out, potentially leading to insufficient lubrication and accelerated wear.
Environmental Contaminants: Planetary gearboxes used in outdoor or industrial environments can be exposed to contaminants such as dust, dirt, moisture, and chemicals. These contaminants can infiltrate the gearbox and degrade the quality of the lubricant. Additionally, abrasive particles can cause wear on gear surfaces, leading to decreased performance and potential damage.
Corrosion: Exposure to moisture, especially in humid or corrosive environments, can lead to corrosion of gearbox components. Corrosion weakens the structural integrity of gears and other components, which can ultimately result in premature failure.
Thermal Expansion: Temperature changes can cause materials to expand and contract. In gearboxes, this can lead to misalignment of gears and improper meshing, causing noise, vibration, and reduced efficiency. Proper consideration of thermal expansion is crucial in gearbox design.
Sealing and Ventilation: To mitigate the impact of temperature and environmental factors, planetary gearboxes need effective sealing to prevent contaminants from entering and to retain the lubricant. Proper ventilation is also essential to prevent pressure build-up inside the gearbox due to temperature changes.
Cooling Systems: In applications where temperature control is critical, cooling systems such as fans or heat exchangers can be incorporated to maintain optimal operating temperatures. This helps prevent overheating and ensures consistent gearbox performance.
Overall, temperature variations and environmental conditions can have a profound impact on the performance and lifespan of planetary gearboxes. Manufacturers and operators need to consider these factors during design, installation, and maintenance to ensure reliable and efficient operation.
Common Applications and Industries of Planetary Gearboxes
Planetary gearboxes are widely utilized across various industries and applications due to their unique design and performance characteristics. Some common applications and industries where planetary gearboxes are commonly used include:
- Automotive Industry: Planetary gearboxes are found in automatic transmissions, hybrid vehicle systems, and powertrains. They provide efficient torque conversion and variable gear ratios.
- Robotics: Planetary gearboxes are used in robotic joints and manipulators, providing compact and high-torque solutions for precise movement.
- Industrial Machinery: They are employed in conveyors, cranes, pumps, mixers, and various heavy-duty machinery where high torque and compact design are essential.
- Aerospace: Aerospace applications include aircraft actuation systems, landing gear mechanisms, and satellite deployment mechanisms.
- Material Handling: Planetary gearboxes are used in equipment like forklifts and pallet jacks to provide controlled movement and high lifting capabilities.
- Renewable Energy: Wind turbines use planetary gearboxes to convert low-speed, high-torque rotational motion of the blades into higher-speed rotational motion for power generation.
- Medical Devices: Planetary gearboxes find applications in medical imaging equipment, prosthetics, and surgical robots for precise and controlled motion.
- Mining and Construction: Planetary gearboxes are used in heavy equipment like excavators, loaders, and bulldozers to handle heavy loads and provide controlled movement.
- Marine Industry: They are employed in marine propulsion systems, winches, and steering mechanisms, benefiting from their compact design and high torque capabilities.
The versatility of planetary gearboxes makes them suitable for applications that require compact size, high torque density, and efficient power transmission. Their ability to handle varying torque loads, offer high gear ratios, and maintain consistent performance has led to their widespread adoption across numerous industries.
editor by CX 2023-11-14