China high quality High Rigidity Low Backlash Transmission Part Planetary Speed Gear Box for Laser Equipment automatic gearbox

Product Description

High Rigidity Low Backlash Transmission Part Planetary Speed Gear Box for Laser Equipment

The main transmission structure of planetary reducer is planetary gear, sun gear, internal gear ring and planetary carrier. Planetary gear reducer has the advantages of small volume, high transmission efficiency, wide deceleration range and high precision. It is widely used in the transmission system of servo motor, stepping motor, DC motor and other motors. Its function is to reduce speed, increase torque, reduce load and motor moment of inertia ratio on the premise of ensuring precision transmission.

Product Parameters

Specifications PVFN60 PVFN90 PVFN120
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 240 450 1240
Max. Axial Load N 220 430 1000
Torsional Rigidity Nm/arcmin 1.8 4.85 11
Max.Input Speed rpm 8000 6000 6000
Rated Input Speed rpm 4000 3500 3500
Noise dB ≤58 ≤60 ≤65
Average Life Time h 20000
Efficiency Of Full Load % L1≥95%       L2≥92%
Return Backlash P1 L1 arcmin ≤8 ≤8 ≤8
L2 arcmin ≤12 ≤12 ≤12
P2 L1 arcmin ≤16 ≤16 ≤16
L2 arcmin ≤20 ≤20 ≤20
Moment Of Inertia Table L1 3 Kg*cm2 0.46 1.73 12.78
4 Kg*cm2 0.46 1.73 12.78
5 Kg*cm2 0.46 1.73 12.78
7 Kg*cm2 0.41 1.42 11.38
10 Kg*cm2 0.41 1.42 11.38
L2 12 Kg*cm2 0.44 1.49 12.18
15 Kg*cm2 0.44 1.49 12.18
16 Kg*cm2 0.72 1.49 12.18
20 Kg*cm2 0.44 1.49 12.18
25 Kg*cm2 0.44 1.49 12.18
28 Kg*cm2 0.44 1.49 12.18
30 Kg*cm2 0.44 1.49 12.18
35 Kg*cm2 0.44 1.49 12.18
40 Kg*cm2 0.44 1.49 12.18
50 Kg*cm2 0.34 1.25 11.48
70 Kg*cm2 0.34 1.25 11.48
100 Kg*cm2 0.34 1.25 11.48
Technical Parameter Level Ratio   PVFN60 PVFN90 PVFN120
Rated Torque L1 3 Nm 27 96 161
4 Nm 40 122 210
5 Nm 40 122 210
7 Nm 34 95 170
10 Nm 16 56 86
L2 12 Nm 27 96 161
15 Nm 27 96 161
16 Nm 40 122 210
20 Nm 40 122 210
25 Nm 40 122 210
28 Nm 40 122 210
30 Nm 27 96 161
35 Nm 40 122 210
40 Nm 40 122 210
50 Nm 40 122 210
70 Nm 34 95 170
100 Nm 16 56 86
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 1.7 4.4 12
L2 kg 1.9 5 14

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

FAQ

1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc

4. why should you buy from us not from other suppliers?
We are 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts

5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Automation Equipment
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Bevel Gear
Step: Single-Step
Samples:
US$ 205/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

planetary gearbox

Challenges in Achieving High Gear Ratios with Compactness in Planetary Gearboxes

Designing planetary gearboxes with high gear ratios while maintaining compactness presents several challenges:

  • Space Constraints: As the gear ratio increases, the number of gear stages required also increases. This can lead to larger gearbox sizes, which may be challenging to accommodate in applications with limited space.
  • Bearing Loads: Higher gear ratios often result in increased loads on the bearings and other components due to the redistribution of forces. This can impact the durability and lifespan of the gearbox.
  • Efficiency: Each gear stage introduces losses due to friction and other factors. With multiple stages, the overall efficiency of the gearbox can decrease, affecting its energy efficiency.
  • Complexity: Achieving high gear ratios can require complex gear arrangements and additional components, which can lead to increased manufacturing complexity and costs.
  • Thermal Effects: Higher gear ratios can lead to greater heat generation due to increased friction and loads. Managing thermal effects becomes crucial to prevent overheating and component failure.

To address these challenges, gearbox designers use advanced materials, precise machining techniques, and innovative bearing arrangements to optimize the design for both compactness and performance. Computer simulations and modeling play a critical role in predicting the behavior of the gearbox under different operating conditions, helping to ensure reliability and efficiency.

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 High Rigidity Low Backlash Transmission Part Planetary Speed Gear Box for Laser Equipment   automatic gearbox	China high quality High Rigidity Low Backlash Transmission Part Planetary Speed Gear Box for Laser Equipment   automatic gearbox
editor by CX 2024-04-15