Product Description
Product Description
The NF140 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 ND 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: NF140 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 | 320 | 510 | 610 | 570 | 520 | 470 | 420 | 420 | ||||||||
| Emergency stop torque | Nm | Three times of Maximum Output Torque | |||||||||||||||
| Rated input speed | Rpm | 3000 | |||||||||||||||
| Max input speed | Rpm | 6000 | |||||||||||||||
| Ultraprecise backlash | arcmin | ≤1 | |||||||||||||||
| Precision backlash | arcmin | ≤3 | |||||||||||||||
| Standard backlash | arcmin | ≤5 | |||||||||||||||
| Torsional rigidity | Nm/arcmin | 50 | |||||||||||||||
| Max.bending moment | Nm | 14000 | |||||||||||||||
| Max.axial force | N | 11400 | |||||||||||||||
| Service life | hr | 30000(15000 under continuous operation) | |||||||||||||||
| Efficiency | % | ≥97% | |||||||||||||||
| Weight | kg | 13.7 | |||||||||||||||
| Operating Temperature | ºC | -10ºC~+90ºC | |||||||||||||||
| Lubrication | Synthetic grease | ||||||||||||||||
| Protection class | IP64 | ||||||||||||||||
| Mounting Position | All directions | ||||||||||||||||
| Noise level(N1=3000rpm,non-loaded) | dB(A) | ≤65 | |||||||||||||||
| Rotary inertia | Kg·cm² | 9.21 | 7.54 | 7.42 | 7.25 | 7.14 | 7.07 | 7.04 | 7.03 | ||||||||
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.
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| 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 |
|---|

Customization of Speed Reducer Gearboxes for Specific Industrial Needs
Yes, speed reducer gearboxes can be customized to meet specific industrial requirements. Manufacturers offer various customization options to ensure that the gearboxes align with the unique needs of different applications:
- Design Flexibility: Manufacturers can modify the design of speed reducer gearboxes to accommodate specific space constraints, mounting arrangements, and input-output shaft configurations.
- Gear Ratio Selection: Custom gear ratios can be selected to optimize the speed reduction or increase for a particular application, allowing for tailored torque and speed requirements.
- Material Selection: Gearbox components can be crafted from different materials based on factors such as corrosion resistance, temperature tolerance, and load-bearing capacity.
- Sealing and Protection: Customized sealing solutions, such as IP-rated enclosures and specialized gaskets, can be integrated to enhance protection against dust, moisture, and harsh environments.
- Lubrication Systems: Gearboxes can be equipped with specialized lubrication systems to ensure consistent and efficient lubrication in specific operating conditions.
- Accessories and Attachments: Manufacturers can add accessories like external cooling fans, temperature sensors, and mounting flanges to enhance gearbox performance and monitoring.
- Compliance with Standards: Customized gearboxes can be designed to meet industry-specific standards, certifications, and safety requirements.
By collaborating with manufacturers and providing detailed specifications, industries can obtain speed reducer gearboxes that are tailor-made to their specific needs, ensuring optimal performance and reliability in their applications.

Impact of Gear Ratios on Performance of Speed Reducer Gearboxes
Gear ratios in speed reducer gearboxes play a crucial role in determining their performance characteristics and capabilities. The gear ratio represents the ratio of the number of teeth on the driving (input) gear to the number of teeth on the driven (output) gear within the gearbox. This ratio directly affects how the gearbox transforms the input speed and torque into the desired output speed and torque.
Speed Reduction: A higher gear ratio in a speed reducer gearbox results in greater speed reduction. In this case, the input shaft’s higher rotational speed is converted into a lower rotational speed at the output shaft. This is advantageous for applications that require increased torque and reduced speed, such as heavy-duty machinery and conveyor systems.
Speed Increase: Conversely, a lower gear ratio in a speed reducer gearbox leads to speed increase. The input shaft’s rotational speed is transformed into a higher rotational speed at the output shaft, albeit with decreased torque. This configuration is useful in applications where higher speed is necessary, such as certain types of pumps and fans.
The choice of gear ratio is a critical design consideration when selecting a speed reducer gearbox for a specific application. It determines the trade-off between speed and torque, allowing engineers to tailor the gearbox’s performance to match the requirements of the machinery and equipment it will drive.

Industries and Machinery Using Speed Reducer Gearboxes
Speed reducer gearboxes find extensive use in various industries and machinery where precise speed reduction and torque amplification are essential for optimal performance. Some of the industries and machinery commonly utilizing speed reducer gearboxes include:
1. Manufacturing: Speed reducer gearboxes are crucial in manufacturing processes such as conveyor systems, material handling equipment, packaging machinery, and assembly lines, where controlled motion and torque are required.
2. Robotics and Automation: Robotic arms, automated guided vehicles (AGVs), and industrial robots rely on speed reducer gearboxes to achieve accurate and controlled movement, enabling efficient automation in industries like automotive, electronics, and logistics.
3. Agriculture: Farming equipment, such as tractors and combine harvesters, utilize speed reducer gearboxes to provide the necessary torque and power for tasks like plowing, planting, and harvesting.
4. Construction: Construction machinery such as cranes, excavators, and concrete mixers use speed reducer gearboxes to manage heavy loads and ensure controlled operation during various construction activities.
5. Mining: Mining equipment, including conveyor systems, crushers, and rock drills, require speed reducer gearboxes to handle the demanding conditions and heavy loads encountered in mining operations.
6. Material Handling: Forklifts, elevators, and warehouse equipment utilize speed reducer gearboxes to control lifting and movement of goods, ensuring safe and efficient material handling.
7. Energy and Power Generation: Wind turbines, hydroelectric generators, and solar tracking systems employ speed reducer gearboxes to convert variable input speeds into consistent rotational motion for power generation.
8. Automotive: Speed reducer gearboxes are used in automotive applications, such as differential gears, to manage torque distribution between wheels and axles, contributing to vehicle stability and traction.
9. Aerospace: Aircraft systems and components, including flight control surfaces and landing gear, utilize speed reducer gearboxes for precise and controlled movement during flight and ground operations.
10. Marine: Marine propulsion systems, ship steering mechanisms, and winches rely on speed reducer gearboxes to provide the necessary power and control for marine vessels.
11. Food and Beverage: Processing equipment in the food and beverage industry, such as mixers, extruders, and conveyor systems, use speed reducer gearboxes to maintain consistent and controlled processing conditions.
These are just a few examples of the diverse industries and machinery that benefit from the use of speed reducer gearboxes. The adaptability, precision, and efficiency of speed reducer gearboxes make them essential components in various applications across different sectors.


editor by CX 2024-03-29