Product Description
Newgear Helical Gear High Torque Low Noise Planetary Gear box
The high-precision planetary gearbox adopts Helical gear design, and is used in various control transmission fields with servo motors, such as precision machine tools, laser cutting equipment, battery processing equipment, etc. It has the advantages of large torsional rigidity and large output torque.
Product Description
Characteristics:
(1) Low Noise:The use of helical gear design,to achieve a smooth,quite operation of the reducer.
(2) High Precision:Backlash is 3 arcmin or less,accurate positioning.
(3) High Rigidity,High Torque:The output shaft used large size,large span double support bearing design,which improves the rigidity and torque of the reducer.
(4) High Efficiency:1-stage up to 95% or more,2-stage up to 92% or more.
(5) Maintenance-Free:Low grease wear,can be lifetime lubrication.
(6) Sealing Effect is Good:Lubricating grease with high viscosity,not easy to separate the characteristics,ip65 protection class to ensure that no grease leakage.
(7) Installation Unrestrained:Can be installed arbitrarily.
(8) Wide Applicability:Applicable to any type of servo motor.
(9) An organic [integral] whole output axis.
Product Parameters
| Specifications | PXR42 | PXR60 | PXR90 | PXR120 | |||
| Technal Parameters | |||||||
| Max. Torque | Nm | 1.5times rated torque | |||||
| Emergency Stop Torque | Nm | 2.5times rated torque | |||||
| Max. Radial Load | N | 780 | 1530 | 3300 | 6700 | ||
| Max. Axial Load | N | 390 | 600 | 1500 | 3000 | ||
| Torsional Rigidity | Nm/arcmin | 2.5 | 6 | 12 | 23 | ||
| Max.Input Speed | rpm | 8000 | 8000 | 6000 | 6000 | ||
| Rated Input Speed | rpm | 4000 | 4000 | 3000 | 3000 | ||
| Noise | dB | ≤56 | ≤64 | ≤66 | ≤66 | ||
| Average Life Time | h | 20000 | |||||
| Efficiency Of Full Load | % | L1≥95% L2≥90% | |||||
| Return Backlash | P1 | L1 | arcmin | ≤3 | ≤5 | ≤5 | ≤5 |
| L2 | arcmin | ≤5 | ≤7 | ≤7 | ≤7 | ||
| P2 | L1 | arcmin | ≤5 | ≤8 | ≤8 | ≤8 | |
| L2 | arcmin | ≤7 | ≤10 | ≤10 | ≤10 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | / | 0.4 | 2.28 | 6.87 |
| 4 | Kg*cm2 | 0.12 | 0.4 | 2.28 | 6.87 | ||
| 5 | Kg*cm2 | 0.09 | 0.4 | 2.28 | 6.87 | ||
| 7 | Kg*cm2 | 0.09 | 0.4 | 2.28 | 6.87 | ||
| 8 | Kg*cm2 | / | 0.4 | 1.45 | 4.76 | ||
| 10 | Kg*cm2 | 0.09 | 0.3 | 1.45 | 4.76 | ||
| 14 | Kg*cm2 | / | 0.4 | 2.28 | 6.87 | ||
| 20 | Kg*cm2 | / | 0.4 | 2.28 | 6.87 | ||
| L2 | 25 | Kg*cm2 | 0.09 | 0.4 | 2.28 | 6.87 | |
| 30 | Kg*cm2 | / | 0.4 | 2.28 | 6.87 | ||
| 35 | Kg*cm2 | 0.09 | 0.4 | 2.28 | 6.87 | ||
| 40 | Kg*cm2 | 0.09 | 0.4 | 2.28 | 6.87 | ||
| 50 | Kg*cm2 | 0.09 | 0.3 | 1.45 | 4.76 | ||
| 70 | Kg*cm2 | 0.09 | 0.3 | 1.45 | 4.76 | ||
| 100 | Kg*cm2 | 0.07 | 0.3 | 1.45 | 4.76 | ||
| Technical Parameter | Level | Ratio | PXR42 | PXR60 | PXR90 | PXR120 | |
| Rated Torque | L1 | 3 | Nm | / | 40 | 105 | 165 |
| 4 | Nm | 17 | 45 | 130 | 230 | ||
| 5 | Nm | 15 | 45 | 130 | 230 | ||
| 7 | Nm | 12 | 45 | 100 | 220 | ||
| 8 | Nm | / | 45 | 90 | 200 | ||
| 10 | Nm | 10 | 45 | 130 | 230 | ||
| 14 | Nm | / | 45 | 100 | 220 | ||
| 20 | Nm | / | 30 | 75 | 175 | ||
| L2 | 25 | Nm | 15 | 45 | 130 | 230 | |
| 30 | Nm | / | 40 | 105 | 165 | ||
| 35 | Nm | 15 | 45 | 130 | 230 | ||
| 40 | Nm | 17 | 45 | 130 | 230 | ||
| 50 | Nm | 15 | 45 | 130 | 230 | ||
| 70 | Nm | 12 | 45 | 130 | 230 | ||
| 100 | Nm | 15 | 46 | 130 | 230 | ||
| Degree Of Protection | IP65 | ||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | |||||
| Weight | L1 | kg | 0.7 | 2.05 | 6.45 | 13.7 | |
| L2 | kg | 0.9 | 3.15 | 8.8 | 17.2 | ||
Company Profile
Packaging & Shipping
| lead time | 10-15 working days as usual,30days in busy season,it will based on the detailed order quantity |
| Delivery of samples | by DHL,Fedex,UPS,TNT,EMS |
FAQ
1. who are we?
CZPT 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 a 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, Motorcycle, Machinery, Marine, Agricultural Machinery, Manipulator Machinery |
|---|---|
| Function: | Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Samples: |
US$ 430/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
Enhancing Wind Turbine System Performance with Planetary Gearboxes
Planetary gearboxes play a crucial role in enhancing the performance and efficiency of wind turbine systems. Here’s how they contribute:
1. Speed Conversion: Wind turbines operate optimally at specific rotational speeds to generate electricity efficiently. Planetary gearboxes allow for speed conversion between the low rotational speed of the wind turbine rotor and the higher speed required by the generator. This speed adaptation ensures the generator operates at its peak efficiency, resulting in maximum power generation.
2. Torque Amplification: Wind turbine blades may experience varying wind speeds, which result in fluctuating torque loads. Planetary gearboxes can amplify the torque generated by the rotor blades before transmitting it to the generator. This torque multiplication helps maintain stable generator operation even during wind speed variations, improving overall energy production.
3. Compact Design: Wind turbines are often installed in locations with limited space, such as offshore platforms or densely populated areas. Planetary gearboxes offer a compact design, allowing for efficient power transmission within a small footprint. This compactness is vital for accommodating gearboxes in the limited nacelle space of the wind turbine.
4. Load Distribution: Wind turbines are subjected to varying wind conditions, including gusts and turbulence. Planetary gearboxes distribute the load evenly among multiple planet gears, reducing stress and wear on individual components. This balanced load distribution improves gearbox durability and reliability.
5. Efficiency Optimization: Planetary gearboxes are known for their high efficiency due to their parallel axis arrangement and multiple gear stages. The efficient power transmission minimizes energy losses within the gearbox, resulting in more power being converted from wind energy to electricity.
6. Maintenance and Reliability: The robust construction of planetary gearboxes contributes to their durability and longevity. Wind turbines often operate in challenging environments, and the reliability of the gearbox is crucial for minimizing maintenance and downtime. Planetary gearboxes’ low maintenance requirements and ability to handle varying loads contribute to the overall reliability of wind turbine systems.
7. Variable Speed Control: Some wind turbines use variable-speed operation to optimize power generation across a range of wind speeds. Planetary gearboxes can facilitate variable speed control by adjusting the gear ratio to match the wind conditions. This flexibility improves energy capture and reduces stress on turbine components.
8. Adaptation to Turbine Size: Planetary gearboxes are available in various sizes and gear ratios, making them adaptable to different turbine sizes and power outputs. This versatility allows wind turbine manufacturers to select gearboxes that align with specific project requirements.
Overall, planetary gearboxes play a pivotal role in optimizing the performance, efficiency, and reliability of wind turbine systems. Their ability to convert speed, amplify torque, and distribute loads makes them a key component in harnessing wind energy for clean and sustainable electricity generation.
Energy Efficiency of a Worm Gearbox: What to Expect
The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:
- Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
- Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
- Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
- Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
- Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.
When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.
editor by CX 2024-05-09