Product Description
NGW planetary reduction gearboxNGW planetary gear reducer is widely used in metallurgy,; mining,; lifting,; transportation,; cement,; construction,; chemical,; textile,; printing and dyeing,; pharmaceutical,; food,; environmental protection and other industries.;Is suitable for the gear circumferential velocity is not more than 12 m/s,; input speed is not more than 1500 r/min,; working environment temperature is -40 degree celsius to 45 degree celsius,; the product is suitable for use in CZPT and reverse transmisson.;NGW Planetary gear speed reducerFeartures:;1.; Light weight,; small volume,; Comparing with common cylindrical gear reducer,; the weight of this kind of reducer is 1/2 lower,; and volume is 1/2~1/3 less.;2.; High driving efficiency,; The driving efficiency of 1 stage is up to 0.;97,; that of 2 stage is 0.;94,; that if 3 stage is 0.;91.;3.; High driving power.; Power can be 1 KW ~ 1300 KW.;4.; Hard tooth surface is used,; and life is long,; and it is widely applicable.;Technique parameter:;Specfications Scope of ratio Rotation of input-shaft Input power Output torque (rpm); (KW); (N.;m);Single-stage 2.;8~12.;5 750~1500 2.;8~1314 47736Double-stage 14~160 750~1500 0.;7~517 902~47305 Three-stage 180~2000 750~1500 0.;16~47.;1 2617~48096speed reducer (NGW NGW-L NGW-S);Quality Management System is in conformity with GB/T19001-2000-ISO9001:;2000 standard.;speed reducer (NGW NGW-L NGW-S);Quality Management System is in conformity with GB/T19001-2000-ISO9001:;2000 standard.;Good quality,; low price,; beautiful appearance.;Model:;NGW11 NGW21 NGW31 NGW41 NGW51 NGW61 NGW71 NGW81 NGW91 NGW101 NGW111 NGW121NGW42 NGW52 NGW62 NGW72 NGW82 NGW92 NGW102 NGW112 NGW122 NGW73 NGW83 NGW93 NGW103 NGW113 NGW123 Packaging & ShippingPacking:; wooden casePort:; ZheJiang Our ServicesAll gearboxes are 12 to 18 month warrantyCompany InformationHangZhou Smart equipment company is a comprehensive privately-owned enterprise.; Since our establishment,; we have insisted on science and technology innovation,; researching and introducing advanced technology,; as well as continuously developing new products to meet the market requirement.; The main products are below scope:; R/S/K/F,; worm/bevel/helical/planetary gearbox,; HB industrial gearbox,; speed up gearbox,; heavy duty gearbox,; customized gearbox,; winch/crane/excavator/extruder/concrete mixer gearbox,; etc.;FAQ :;1,; Q:; What’s your business type?A:; Manufacturer2,; Q:; What’s your main products?A:; Power transmission gearboxes and gears.;Such as:; industrial HB gearbox,; worm/helical/bevel/planetary gearbox,; heavy duty gearbox,; gearbox for crane/extruder/excavator/rolling mill/cement mill,; etc.;3,; Q:; What about your warranty?A:;12 to 18 months warranty according to different products and lifetime service.;4,; Q:; What’s your MOQ?A:; 1 piece for different gearboxes.;5,; Q:; Can you supply customized gearboxes or gears?A:; Yes,; we can.; Mostly depend on your requirements.;6,; Q:; What information should be given,; if I want to buy gearbox?A:; Gearbox ratio,; type,; input speed,; rated power.; More details,; better!
| Type: | Circular Gear |
|---|---|
| Model Number: | Ngw Planetary Gearbox |
| Gearing Arrangement: | Planetary |
| Output Torque: | Top to 49200nm |
| Rated Power: | Top to 1314kw |
| Input Speed: | Top to 1500rpm |
| Customization: |
Available
| Customized Request |
|---|
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.
Enhancing Wind Turbine System Performance with Planetary Gearboxes
Planetary gearboxes play a crucial role in enhancing the performance and efficiency of wind turbine systems. Here’s how they contribute:
1. Speed Conversion: Wind turbines operate optimally at specific rotational speeds to generate electricity efficiently. Planetary gearboxes allow for speed conversion between the low rotational speed of the wind turbine rotor and the higher speed required by the generator. This speed adaptation ensures the generator operates at its peak efficiency, resulting in maximum power generation.
2. Torque Amplification: Wind turbine blades may experience varying wind speeds, which result in fluctuating torque loads. Planetary gearboxes can amplify the torque generated by the rotor blades before transmitting it to the generator. This torque multiplication helps maintain stable generator operation even during wind speed variations, improving overall energy production.
3. Compact Design: Wind turbines are often installed in locations with limited space, such as offshore platforms or densely populated areas. Planetary gearboxes offer a compact design, allowing for efficient power transmission within a small footprint. This compactness is vital for accommodating gearboxes in the limited nacelle space of the wind turbine.
4. Load Distribution: Wind turbines are subjected to varying wind conditions, including gusts and turbulence. Planetary gearboxes distribute the load evenly among multiple planet gears, reducing stress and wear on individual components. This balanced load distribution improves gearbox durability and reliability.
5. Efficiency Optimization: Planetary gearboxes are known for their high efficiency due to their parallel axis arrangement and multiple gear stages. The efficient power transmission minimizes energy losses within the gearbox, resulting in more power being converted from wind energy to electricity.
6. Maintenance and Reliability: The robust construction of planetary gearboxes contributes to their durability and longevity. Wind turbines often operate in challenging environments, and the reliability of the gearbox is crucial for minimizing maintenance and downtime. Planetary gearboxes’ low maintenance requirements and ability to handle varying loads contribute to the overall reliability of wind turbine systems.
7. Variable Speed Control: Some wind turbines use variable-speed operation to optimize power generation across a range of wind speeds. Planetary gearboxes can facilitate variable speed control by adjusting the gear ratio to match the wind conditions. This flexibility improves energy capture and reduces stress on turbine components.
8. Adaptation to Turbine Size: Planetary gearboxes are available in various sizes and gear ratios, making them adaptable to different turbine sizes and power outputs. This versatility allows wind turbine manufacturers to select gearboxes that align with specific project requirements.
Overall, planetary gearboxes play a pivotal role in optimizing the performance, efficiency, and reliability of wind turbine systems. Their ability to convert speed, amplify torque, and distribute loads makes them a key component in harnessing wind energy for clean and sustainable electricity generation.
Challenges and Solutions for Managing Power Transmission Efficiency in Planetary Gearboxes
Managing power transmission efficiency in planetary gearboxes is crucial to ensure optimal performance and minimize energy losses. Several challenges and solutions are involved in maintaining high efficiency:
1. Gear Meshing Efficiency: The interaction between gears can lead to energy losses due to friction and meshing misalignment. To address this, manufacturers use precision manufacturing techniques to ensure accurate gear meshing and reduce friction. High-quality materials and surface treatments are also employed to minimize wear and friction.
2. Lubrication: Proper lubrication is essential to reduce friction and wear between gear surfaces. Using high-quality lubricants with the appropriate viscosity and additives can enhance power transmission efficiency. Regular maintenance and monitoring of lubrication levels are vital to prevent efficiency losses.
3. Bearing Efficiency: Bearings support the rotating elements of the gearbox and can contribute to energy losses if not properly designed or maintained. Choosing high-quality bearings and ensuring proper alignment and lubrication can mitigate efficiency losses in this area.
4. Bearing Preload: Incorrect bearing preload can lead to increased friction and efficiency losses. Precision assembly and proper adjustment of bearing preload are necessary to optimize power transmission efficiency.
5. Mechanical Losses: Various mechanical losses, such as windage and churning losses, can occur in planetary gearboxes. Designing gearboxes with streamlined shapes and efficient ventilation systems can reduce these losses and enhance overall efficiency.
6. Material Selection: Choosing appropriate materials with high strength and minimal wear characteristics is essential for reducing power losses due to material deformation and wear. Advanced materials and surface coatings can be employed to enhance efficiency.
7. Noise and Vibration: Excessive noise and vibration can indicate energy losses in the form of mechanical inefficiencies. Proper design and precise manufacturing techniques can help minimize noise and vibration, indicating better power transmission efficiency.
8. Efficiency Monitoring: Regular efficiency monitoring through testing and analysis allows engineers to identify potential issues and optimize gearbox performance. This proactive approach ensures that any efficiency losses are promptly addressed.
By addressing these challenges through careful design, material selection, manufacturing techniques, lubrication, and maintenance, engineers can manage power transmission efficiency in planetary gearboxes and achieve high-performance power transmission systems.
editor by CX 2023-12-01