Product Description
Ratio 50:1 90MM Spur Gear High Precision Planetary Reduction Gearboxes
Planetary gearbox is a kind of reducer with wide versatility. The inner gear adopts low carbon alloy steel carburizing quenching and grinding or nitriding process. Planetary gearbox has the characteristics of small structure size, large output torque, high speed ratio, high efficiency, safe and reliable performance, etc. The inner gear of the planetary gearbox can be divided into spur gear and helical gear. Customers can choose the right precision reducer according to the needs of the application.
Product Description
Characteristic:
1.Circular fuselage, integrate structure,high precision,high rigidity;
2.Competed with the corresponding square fuselage series,it has the same performance and cost performance;
3.Double support case planet carrier structure,high reliable,suitable for high-speed frequent CZPT and reverse rotation with axial clearance adjustment function;
4.Keyway can be opened in the force shaft;
5.Helical transmission,drive more stable and carry capacity greater;
6.Low backlash,more accurate positioning;
7.Size range:60–220mm;
8.Ratio range:3-100;
9.Precision range:1-3arcmin(P1);3-5arcmin(P2)
Product Parameters
| Specifications | PA60 | PA90 | PA120 | PA140 | PA180 | PA220 | |||
| Technal Parameters | |||||||||
| Max. Torque | Nm | 1.5times rated torque | |||||||
| Emergency Stop Torque | Nm | 2.5times rated torque | |||||||
| Max. Radial Load | N | 1530 | 3250 | 6700 | 9400 | 14500 | 16500 | ||
| Max. Axial Load | N | 630 | 1300 | 3000 | 4700 | 7250 | 8250 | ||
| Torsional Rigidity | Nm/arcmin | 6 | 12 | 23 | 47 | 130 | 205 | ||
| Max.Input Speed | rpm | 8000 | 6000 | 6000 | 6000 | 6000 | 3000 | ||
| Rated Input Speed | rpm | 4000 | 3000 | 3000 | 3000 | 3000 | 1500 | ||
| Noise | dB | ≤58 | ≤60 | ≤65 | ≤68 | ≤68 | ≤72 | ||
| Average Life Time | h | 20000 | |||||||
| Efficiency Of Full Load | % | L1≥95% L2≥90% | |||||||
| Return Backlash | P1 | L1 | arcmin | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 |
| L2 | arcmin | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ||
| P2 | L1 | arcmin | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
| L2 | arcmin | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.16 | 0.61 | 3.25 | 9.21 | 28.98 | 69.7 |
| 4 | Kg*cm2 | 0.14 | 0.48 | 2.74 | 7.54 | 23.67 | 54.61 | ||
| 5 | Kg*cm2 | 0.13 | 0.47 | 2.71 | 7.42 | 23.29 | 53.51 | ||
| 7 | Kg*cm2 | 0.13 | 0.45 | 2.62 | 7.14 | 22.48 | 50.92 | ||
| 8 | Kg*cm2 | 0.13 | 0.45 | 2.6 | 7.14 | / | / | ||
| 10 | Kg*cm2 | 0.13 | 0.4 | 2.57 | 7.03 | 22.51 | 50.18 | ||
| L2 | 12 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | 23.59 | |
| 15 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | 23.59 | ||
| 20 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 6.92 | 23.33 | ||
| 25 | Kg*cm2 | 0.13 | 0.45 | 0.4 | 2.63 | 6.92 | 22.68 | ||
| 28 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | 23.33 | ||
| 30 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 7.3 | 25.59 | ||
| 35 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.43 | 6.92 | 22.68 | ||
| 40 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | 23.33 | ||
| 50 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.92 | 22.68 | ||
| 70 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | 22.68 | ||
| 100 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | 22.68 | ||
| Technical Parameter | Level | Ratio | PA60 | PA90 | PA120 | PA140 | PA180 | PA220 | |
| Rated Torque | L1 | 3 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 |
| 4 | Nm | 45 | 130 | 230 | 480 | 880 | 1800 | ||
| 5 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 7 | Nm | 45 | 100 | 220 | 480 | 1100 | 1600 | ||
| 8 | Nm | 40 | 90 | 200 | 440 | / | / | ||
| 10 | Nm | 30 | 75 | 175 | 360 | 770 | 1200 | ||
| L2 | 12 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | |
| 15 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | ||
| 20 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 25 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 28 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 30 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | ||
| 35 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 40 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 50 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 70 | Nm | 45 | 100 | 220 | 480 | 1100 | 1600 | ||
| 100 | Nm | 30 | 75 | 175 | 360 | 770 | 1200 | ||
| Degree Of Protection | IP65 | ||||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | |||||||
| Weight | L1 | kg | 1.25 | 3.75 | 8.5 | 16 | 28.5 | 49.3 | |
| L2 | kg | 1.75 | 5.1 | 12 | 21.5 | 40 | 62.5 | ||
Company Profile
Packaging & Shipping
1. Lead time: 10-15 days as uausl, 30 days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ EMS/ TNT/ UPS/ FEDEX
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| Application: | Industrial |
|---|---|
| Speed: | Low Speed |
| Function: | Driving |
| Casing Protection: | Closed Type |
| Starting Mode: | Direct on-line Starting |
| Certification: | ISO9001 |
| Samples: |
US$ 161/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Concept of Coaxial and Parallel Shaft Arrangements in Planetary Gearboxes
Coaxial and parallel shaft arrangements refer to the orientation of the input and output shafts in a planetary gearbox:
- Coaxial Shaft Arrangement: In this arrangement, the input and output shafts are aligned along the same axis, with one shaft passing through the center of the other. This design results in a compact and space-efficient gearbox, making it suitable for applications with limited space. Coaxial planetary gearboxes are commonly used in scenarios where the gearbox needs to be integrated into a compact housing or enclosure.
- Parallel Shaft Arrangement: In a parallel shaft arrangement, the input and output shafts are positioned parallel to each other but not on the same axis. Instead, they are offset from each other. This configuration allows for greater flexibility in designing the layout of the gearbox and the surrounding machinery. Parallel shaft planetary gearboxes are often used in applications where the spatial arrangement requires the input and output shafts to be positioned in different locations.
The choice between a coaxial and parallel shaft arrangement depends on factors such as available space, mechanical requirements, and the desired layout of the overall system. Coaxial arrangements are advantageous when space is limited, while parallel arrangements offer more design flexibility for accommodating various spatial constraints.
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 2024-04-26