Product Description
Product Description
The NDV140 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 NDV140 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: NDV140 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
Detailed Photos
Our Advantages
High torque
High load
ultra-precision
Small size
Product Parameters
| Segment number | Single segment | ||||
| Ratio | i | 4 | 5 | 7 | 10 |
| Rated output torque | Nm | 530 | 610 | 520 | 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 | 151 | |||
| Max.bending moment | Nm | 1310 | |||
| Max.axial force | N | 8530 | |||
| Service life | hr | 30000(15000 under continuous operation) | |||
| Efficiency | % | ≥97% | |||
| Weight | kg | 11.9 | |||
| 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 | 7.54 | 7.42 | 7.14 | 7.03 |
Applicable Industry
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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| After-sales Service: | 2 Years |
|---|---|
| Warranty: | 2 Years |
| Logo Printing: | with Logo Printing |
| Size: | Ndv140 |
| Customized: | Customized |
| Type: | Gearbox |
| 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.
Maintenance Practices to Extend the Lifespan of Planetary Gearboxes
Proper maintenance is essential for ensuring the longevity and optimal performance of planetary gearboxes. Here are specific maintenance practices that can help extend the lifespan of planetary gearboxes:
1. Regular Inspections: Implement a schedule for routine visual inspections of the gearbox. Look for signs of wear, damage, oil leaks, and any abnormal conditions. Early detection of issues can prevent more significant problems.
2. Lubrication: Adequate lubrication is crucial for reducing friction and wear between gearbox components. Follow the manufacturer’s recommendations for lubricant type, viscosity, and change intervals. Ensure that the gearbox is properly lubricated to prevent premature wear.
3. Proper Installation: Ensure the gearbox is installed correctly, following the manufacturer’s guidelines and specifications. Proper alignment, torque settings, and clearances are critical to prevent misalignment-related wear and other issues.
4. Load Monitoring: Avoid overloading the gearbox beyond its designed capacity. Excessive loads can accelerate wear and reduce the gearbox’s lifespan. Regularly monitor the load conditions and ensure they are within the gearbox’s rated capacity.
5. Temperature Control: Maintain the operating temperature within the recommended range. Excessive heat can lead to accelerated wear and lubricant breakdown. Adequate ventilation and cooling measures may be necessary in high-temperature environments.
6. Seal and Gasket Inspection: Regularly check seals and gaskets for signs of leakage. Damaged seals can lead to lubricant loss and contamination, which can cause premature wear and gear damage.
7. Vibration Analysis: Use vibration analysis techniques to detect early signs of misalignment, imbalance, or other mechanical issues. Monitoring vibration levels can help identify problems before they lead to serious damage.
8. Preventive Maintenance: Establish a preventive maintenance program based on the gearbox’s operational conditions and usage. Perform scheduled maintenance tasks such as gear inspections, lubricant changes, and component replacements as needed.
9. Training and Documentation: Ensure that maintenance personnel are trained in proper gearbox maintenance procedures. Keep comprehensive records of maintenance activities, inspections, and repairs to track the gearbox’s condition and history.
10. Consult Manufacturer Guidelines: Always refer to the manufacturer’s maintenance and servicing guidelines specific to the gearbox model and application. Following these guidelines will help maintain warranty coverage and ensure best practices are followed.
By adhering to these maintenance practices, you can significantly extend the lifespan of your planetary gearbox, minimize downtime, and ensure reliable performance for your industrial machinery or application.
Impact of Gear Ratio on Output Speed and Torque in Planetary Gearboxes
The gear ratio of a planetary gearbox has a significant effect on both the output speed and torque of the system. The gear ratio is defined as the ratio of the number of teeth on the driven gear (output) to the number of teeth on the driving gear (input).
1. Output Speed: The gear ratio determines the relationship between the input and output speeds of the gearbox. A higher gear ratio (more teeth on the output gear) results in a lower output speed compared to the input speed. Conversely, a lower gear ratio (fewer teeth on the output gear) leads to a higher output speed relative to the input speed.
2. Output Torque: The gear ratio also affects the output torque of the gearbox. An increase in gear ratio amplifies the torque delivered at the output, making it higher than the input torque. Conversely, a decrease in gear ratio reduces the output torque relative to the input torque.
The relationship between gear ratio, output speed, and output torque is inversely proportional. This means that as the gear ratio increases and output speed decreases, the output torque proportionally increases. Conversely, as the gear ratio decreases and output speed increases, the output torque proportionally decreases.
It’s important to note that the gear ratio selection in a planetary gearbox involves trade-offs between output speed and torque. Engineers choose a gear ratio that aligns with the specific application’s requirements, considering factors such as desired speed, torque, and efficiency.
editor by CX 2024-02-13