Product Description
Product Description
The NE120 series planetary gearboxes are designed and machined as a single unit with special tapered roller bearings to provide high radial load, high torque, ultra-precision, and small size. The NE120 series uses in highly rigid industries such as fiber optic laser equipment, floor track equipment, robot seventh axis, Parallel robots (spider hand) machine tools, and rotating arms.
Product Name: High Precision Planetary Reducer
Product Series: NE120 Series
Product features: high torque, high load, ultra-precision, small size
Product Description:
Integrated design concept with high-strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
1 arc minute ≤ backlash ≤ 3 arc minutes
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimizes power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years
Our Advantages
High torque
High load
ultra-precision
Small size
Detailed Photos
Product Parameters
| Segment number | Single segment | ||||||||
| Ratio | i | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Rated output torque | Nm | 190 | 270 | 310 | 290 | 280 | 240 | 210 | 210 |
| Emergency stop torque | Nm | Three times of Maximum Output Torque | |||||||
| Rated input speed | Rpm | 4000 | |||||||
| Max input speed | Rpm | 8000 | |||||||
| Ultraprecise backlash | arcmin | ≤1 | |||||||
| Precision backlash | arcmin | ≤5 | |||||||
| Standard backlash | arcmin | ≤7 | |||||||
| Torsional rigidity | Nm/arcmin | 14 | |||||||
| Max.bending moment | Nm | 6100 | |||||||
| Max.axial force | N | 3350 | |||||||
| Service life | hr | 20000(10000 under continuous operation) | |||||||
| Efficiency | % | ≥97% | |||||||
| Weight | kg | 6.9 | |||||||
| Operating Temperature | ºC | -10ºC~+90ºC | |||||||
| Lubrication | Synthetic grease | ||||||||
| Protection class | IP64 | ||||||||
| Mounting Position | All directions | ||||||||
| Noise level(N1=3000rpm,non-loaded) | dB(A) | ≤63 | |||||||
| Rotary inertia | Kg·cm² | 3.25 | 2.74 | 2.71 | 2.65 | 2.62 | 2.58 | 2.57 | 2.57 |
Applicable Industries
Packaging Machinery Mechanical Hand Textile Machinery
Non Standard automation Machine Tool Printing Equipment
Certifications
Company Profile
DESBOER (HangZhou) Transmission Technology Co., Ltd. is a subsidiary of DESBOER (China), which is committed to the design, development, customized production and sales of high precision planetary reducer as 1 of the technology company. Our company has over 10 years of design, production and sales experience, the main products are the high precision planetary reducer, gear, rack, etc., with high quality, short delivery period, high cost performance and other advantages to better serve the demand of global customers. It is worth noting that we remove the intermediate link sale from the factory directly to customers, so that you can get the most ideal price and also get our best quality service simultaneously.
About Research
In order to strengthen the advantages of products in the international market, the head company in Kyoto, Japan to established KABUSHIKIKAISYA KYOEKI, mainly engaged in the development of DESBOER high precision planetary reducer, high precision of transmission components such as the development work, to provide the most advanced design technology and the most high-quality products for the international market.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Marine, Agricultural Machinery, CNC Machine |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Plantery Type |
| Hardness: | Hardened Tooth Surface |
| Installation: | All Directions |
| Step: | Single-Step |
| Customization: |
Available
| Customized Request |
|---|

Considerations for Selecting Planetary Gearboxes for Aerospace and Satellite Applications
Selecting planetary gearboxes for aerospace and satellite applications requires careful consideration due to the unique demands of these industries:
- Weight and Size: Aerospace and satellite systems demand lightweight and compact components. Planetary gearboxes with high power density and lightweight materials are preferred to minimize the overall weight and size of the equipment.
- Reliability: Aerospace missions involve critical operations where component failure is not an option. Planetary gearboxes with a proven track record of reliability and durability are essential to ensure mission success.
- High Efficiency: Efficiency is crucial in aerospace applications to optimize power usage and extend the operational life of satellites. Planetary gearboxes with high efficiency ratings contribute to energy conservation.
- Extreme Environments: Aerospace and satellite systems are exposed to harsh conditions such as vacuum, extreme temperatures, and radiation. Planetary gearboxes need to be designed and tested to withstand these conditions without compromising performance.
- Precision and Accuracy: Many aerospace operations require precise positioning and accurate control. Planetary gearboxes with minimal backlash and high precision gear meshing contribute to accurate movements.
- Lubrication: Lubrication plays a vital role in aerospace gearboxes to ensure smooth operation and prevent wear. Gearboxes with efficient lubrication systems or self-lubricating materials are favored.
- Redundancy and Fail-Safe: Some aerospace systems incorporate redundancy to ensure mission success even in case of component failure. Planetary gearboxes with built-in redundancy or fail-safe mechanisms enhance system reliability.
- Integration: Planetary gearboxes need to be seamlessly integrated into the overall design of aerospace and satellite systems. Customization options and compatibility with other components are important factors.
Overall, selecting planetary gearboxes for aerospace and satellite applications involves a comprehensive evaluation of factors related to weight, reliability, efficiency, durability, environmental resistance, precision, and integration to meet the unique demands of these industries.

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.

Examples of High Torque and Compact Design Applications for Planetary Gearboxes
Planetary gearboxes excel in applications where high torque output and a compact design are essential. Here are some scenarios where these characteristics are crucial:
- Automotive Transmissions: In modern vehicles, planetary gearboxes are used in automatic transmissions to efficiently transmit engine power to the wheels. The compact size of planetary gearboxes allows for integration within the limited space of a vehicle’s transmission housing.
- Robotics: Planetary gearboxes are utilized in robotic arms and joints, where compactness is essential to maintain the robot’s overall size while providing the necessary torque for precise and controlled movement.
- Conveyor Systems: Conveyor belts in industries like material handling and manufacturing often require high torque to move heavy loads. The compact design of planetary gearboxes allows them to be integrated into the conveyor system’s framework.
- Wind Turbines: Wind turbine applications demand high torque to convert low wind speeds into sufficient rotational force for power generation. The compact design of planetary gearboxes helps optimize space within the turbine’s nacelle.
- Construction Machinery: Heavy equipment used in construction, such as excavators and loaders, rely on planetary gearboxes to provide the necessary torque for digging and lifting operations without adding excessive weight to the machinery.
- Marine Propulsion: Planetary gearboxes play a crucial role in marine propulsion systems by efficiently transmitting high torque from the engine to the propeller shaft. The compact design is particularly important in the limited space of a ship’s engine room.
These examples highlight the significance of planetary gearboxes in applications where both high torque output and a compact footprint are vital considerations. Their ability to deliver efficient torque conversion within a small space makes them well-suited for a wide range of industries and machinery.


editor by CX 2024-02-15