China high quality CZPT Speed 3000rpm Ratio 70: 1 Torque 700nm Servo Motor Planetary Gearbox with Best Sales

Product Description

NEWGEAR Speed 3000rpm Ratio 70:1 Torque 700Nm Servo Motor Planetary Gearbox

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

Description:
1.The output shaft is made of large size,large span double bearing design,output shaft and planetary arm bracket as a whole.The input shaft is placed directly on the planet arm bracket to ensure that the reducer has high operating accuracy and maximum torsional rigidity.
2.Shell and the inner ring gear used integrated design,quenching and tempering after the processing of the teeth so that it can achieve high torque,high precision,high wear resistance.Moreover surface nickel-plated anti-rust treatment,so that its corrosion resistance greatly enhanced.
3.The planetary gear transmission employs full needle roller without retainer to increase the contact surface,which greatly upgrades structural rigidity and service life.
4.The gear is made of Japanese imported material.After the metal cutting process,the vacuum carburizing heat treatment to 58-62HRC. And then by the hobbing,Get the best tooth shape,tooth direction,to ensure that the gear of high precision and good impact toughness.
5.Input shaft and sun gear integrated structure,in order to improve the operation accuracy of the reducer.
6.Ring gear processing technology: Using internal gear slotting machine and hobbing machine; the precision of ring gear after processing can reach .GB7.

Product Parameters

Planetary reducer characteristic:
1.Integrated structure,high precision,high rigidity
2.Double support cage planet carrier structure,high reliability,suitable for high-speed and frequent CZPT and reverse rotation
3.With axial clearance adjustment function
4.Keyway can be opened in the force shaft
5.The structure is scientific and can bear greater axial and radial forces
6.Helical transmission,drive more stable and carry capacity greater
7.Low backlash,more accurate positioning
8.Size range:42–120mm
9.Ratio range:3-100
10.Precision range:1-3arcmin (P1);3-5arcmin(P2)

Specifications PX42 PX60 PX90 PX120 PX140 PX180
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 780 1530 3250 6700 9400 14500
Max. Axial Load N 390 630 1300 3000 4700 7250
Torsional Rigidity Nm/arcmin 2.5 6 12 23 47 130
Max.Input Speed rpm 8000 8000 8000 8000 6000 6000
Rated Input Speed rpm 4000 4000 3000 3000 3000 3000
Noise dB ≤56 ≤58 ≤60 ≤65 ≤68 ≤68
Average Life Time h 20000
Efficiency Of Full Load % L1≥95%       L2≥90%
Return Backlash P1 L1 arcmin / ≤3 ≤3 ≤3 ≤3 ≤3
L2 arcmin / ≤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
4 Kg*cm2 0.03 0.14 0.48 2.74 7.54 23.67
5 Kg*cm2 0.03 0.13 0.47 2.71 7.42 23.29
7 Kg*cm2 0.03 0.13 0.45 2.62 7.14 22.48
8 Kg*cm2 0.03 0.13 0.45 2.6 / /
10 Kg*cm2 0.03 0.13 0.4 2.57 7.03 22.51
L2 12 Kg*cm2 / 0.13 0.45 0.45 2.63 7.3
15 Kg*cm2 / 0.13 0.45 0.45 2.63 7.3
20 Kg*cm2 0.03 0.13 0.45 0.45 2.63 7.3
25 Kg*cm2 0.03 0.13 0.45 0.4 2.63 7.3
28 Kg*cm2 0.03 0.13 0.45 0.45 2.43 7.1
30 Kg*cm2 / 0.13 0.45 0.45 2.43 6.92
35 Kg*cm2 0.03 0.13 0.4 0.4 2.43 7.1
40 Kg*cm2 0.03 0.13 0.45 0.45 2.43 6.92
50 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.92
70 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.72
100 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.72
Technical Parameter Level Ratio   PX42 PX60 PX90 PX120 PX140 PX180
Rated Torque L1 3 Nm / 40 105 165 360 880
4 Nm 17 45 130 230 480 880
5 Nm 15 45 130 230 480 1100
7 Nm 12 45 100 220 480 1100
8 Nm / 40 90 200 / /
10 Nm 10 30 75 175 360 770
L2 12 Nm / 40 105 165 440 880
15 Nm / 40 105 165 360 880
20 Nm 17 45 130 230 480 880
25 Nm 15 45 130 230 480 880
28 Nm 17 45 130 230 480 1100
30 Nm / 40 105 165 480 1100
35 Nm 10 30 130 230 480 1100
40 Nm 17 45 130 230 480 1100
50 Nm 15 45 130 230 480 1100
70 Nm 12 45 100 220 480 1100
100 Nm 10 30 75 175 360 770
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 0.5 1.25 3.75 8.5 16 28.5
L2 kg 0.8 1.75 5.1 12 21.5 40

Model Selection:

Company Profile

Packaging & Shipping

1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT

Application: Industrial
Speed: Low Speed
Function: Driving
Casing Protection: Closed Type
Starting Mode: Direct on-line Starting
Certification: ISO9001
Samples:
US$ 1077/Piece
1 Piece(Min.Order)

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Customization:
Available

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planetary gearbox

Challenges in Achieving High Gear Ratios with Compactness in Planetary Gearboxes

Designing planetary gearboxes with high gear ratios while maintaining a compact form factor poses several challenges due to the intricate arrangement of gears and the need to balance various factors:

Space Constraints: Increasing the gear ratio typically requires adding more planetary stages, resulting in additional gears and components. However, limited available space can make it challenging to fit these additional components without compromising the compactness of the gearbox.

Efficiency: As the number of planetary stages increases to achieve higher gear ratios, there can be a trade-off in terms of efficiency. Additional gear meshings and friction losses can lead to decreased overall efficiency, impacting the gearbox’s performance.

Load Distribution: The distribution of loads across multiple stages becomes critical when designing high gear ratio planetary gearboxes. Proper load distribution ensures that each stage shares the load proportionally, preventing premature wear and ensuring reliable operation.

Bearing Arrangement: Accommodating multiple stages of planetary gears requires an effective bearing arrangement to support the rotating components. Improper bearing selection or arrangement can lead to increased friction, reduced efficiency, and potential failures.

Manufacturing Tolerances: Achieving high gear ratios demands tight manufacturing tolerances to ensure accurate gear tooth profiles and precise gear meshing. Any deviations can result in noise, vibration, and reduced performance.

Lubrication: Adequate lubrication becomes crucial in maintaining smooth operation and reducing friction as gear ratios increase. However, proper lubrication distribution across multiple stages can be challenging, impacting efficiency and longevity.

Noise and Vibration: The complexity of high gear ratio planetary gearboxes can lead to increased noise and vibration levels due to the higher number of gear meshing interactions. Managing noise and vibration becomes essential for ensuring acceptable performance and user comfort.

To address these challenges, engineers employ advanced design techniques, high-precision manufacturing processes, specialized materials, innovative bearing arrangements, and optimized lubrication strategies. Achieving the right balance between high gear ratios and compactness involves careful consideration of these factors to ensure the gearbox’s reliability, efficiency, and performance.

planetary gearbox

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.

planetary gearbox

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.

China high quality CZPT Speed 3000rpm Ratio 70: 1 Torque 700nm Servo Motor Planetary Gearbox   with Best Sales China high quality CZPT Speed 3000rpm Ratio 70: 1 Torque 700nm Servo Motor Planetary Gearbox   with Best Sales
editor by CX 2023-10-25