Product Description
Hot Sales Reduction Motor Planetary Gearbox for Excavator Fianl Drive
Product Detail:
Travel Device is installed with Dual Displacement Axial Piston Motor and Travel Reduction Gearbox. Built-in Relief Valve, Anti-reverse Valve, Parking Brake and Dual speed switching device. Available for wide scope of ratios, high density, high efficiency, high reliability, small volume, smooth transmission, low noise as well as multi-level security protection and long serving life. Applicable to hydraulic track drive Final Drives.
Specification Of Product:
| Item | TM07 | 
| Part Name | Travel Device | 
| Input Flow(L/min) | 60 | 
| Motor Displacement(ml/r) | 22/44 | 
| Gear Ratio | 1/53.706 | 
| Output Torque(N.m) | 10500 | 
| Output Speed(r/min) | 50/25 | 
| Frame Holes | 12 | 
| Sprocket Holes | 12 | 
| Application | 6-8 T | 
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery | 
|---|---|
| Function: | Change Drive Direction, Speed Reduction | 
| Layout: | Three-Ring | 
| Hardness: | Soft Tooth Surface | 
| Installation: | Torque Arm Type | 
| Step: | Double-Step | 
| 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.

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.

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 2024-03-06
China Good quality High Torque 750W Servo Motor Spur Transmission Planetary Gearboxes with Good quality
Product Description
High Torque 750W Servo Motor Spur Transmission Planetary 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
Characteristics:
1.With bevel gear reversing mechanism,right angle steering output is realized’
2.Circycle output,threaded connection,standard size;
3.The input specifications are completes and there are many choices;
4.Spur transmission,single cantilever structure,design simple,high cost performance;
5.Keyway can be opened in the force shaft;
6.stable operation and low noise;
7.Size range:60-120mm;
8.Ratio range:3-100;
9.Precision range:8-16arcmin;
10.Support custom according to drawings or samples
Product Parameters
| Specifications | PVLN60 | PVLN90 | PVLN120 | |||
| 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 | PVLN60 | PVLN90 | PVLN120 | |
| 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: 10-15 days as usual, 30 days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ TNT/ EMS/ UPS/ FEDEX
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
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| 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$ 199/Piece 
1 Piece(Min.Order)                                         |  | 
|---|
| Customization: | 
 
                                            Available
                                         
| Customized Request  | 
|---|

Smooth and Controlled Movement in Industrial Robots with Planetary Gearboxes
Planetary gearboxes play a crucial role in ensuring smooth and controlled movement in industrial robots, enhancing their precision and performance:
Reduced Backlash: Planetary gearboxes are designed to minimize backlash, which is the amount of play or free movement between gear teeth. This reduction in backlash results in precise and accurate motion control, allowing industrial robots to achieve precise positioning and repeatability.
High Gear Reduction Ratios: Planetary gearboxes offer high gear reduction ratios, allowing the robot’s motor to output higher torque while maintaining lower speed. This capability enables robots to handle heavy loads and perform tasks that require fine adjustments and delicate movements.
Compact Design: The compact and lightweight design of planetary gearboxes allows for their integration into the limited space of industrial robot joints and actuators. This compactness is crucial for maintaining the overall efficiency and agility of the robot’s movements.
Multi-Speed Capabilities: Planetary gearboxes can be designed with multiple gear stages, allowing industrial robots to operate at different speeds as needed for various tasks. This flexibility in speed selection enhances the robot’s versatility in performing tasks of varying complexities.
High Efficiency: Planetary gearboxes are known for their high efficiency, which translates to minimal energy loss during gear transmission. This efficiency ensures that the robot’s movements are smooth and consistent while optimizing energy consumption.
Torque Distribution: The arrangement of planetary gears allows for efficient distribution of torque across multiple gear stages. This feature ensures that the robot’s joints and actuators receive the appropriate amount of torque for controlled movement, even when handling varying loads.
Seamless Integration: Planetary gearboxes are designed to be easily integrated with servo motors and other robotic components. This seamless integration ensures that the gearbox’s performance is harmoniously aligned with the overall robotic system.
Precision and Accuracy: By providing precise gear reduction and motion control, planetary gearboxes enable industrial robots to perform tasks that demand high levels of precision and accuracy, such as assembly, welding, painting, and intricate material handling.
Reduced Vibrations: The reduced backlash and smooth gear engagement in planetary gearboxes contribute to minimized vibrations during robot operation. This results in quieter and more stable robot movements, further enhancing their performance and user experience.
Dynamic Load Handling: Planetary gearboxes can handle dynamic loads that may change during robot operation. Their ability to manage varying loads while maintaining controlled movement is essential for safe and reliable robot performance.
In summary, planetary gearboxes ensure smooth and controlled movement in industrial robots by minimizing backlash, offering high gear reduction ratios, providing a compact design, enabling multi-speed capabilities, maintaining high efficiency, distributing torque effectively, seamlessly integrating with robotic systems, enhancing precision and accuracy, reducing vibrations, and enabling dynamic load handling. These features collectively contribute to the precise and optimized motion of industrial robots in various applications and industries.

The Role of Lubrication and Cooling in Maintaining Planetary Gearbox Performance
Lubrication and cooling are essential factors in ensuring the optimal performance and longevity of planetary gearboxes. Here’s how they play a crucial role:
Lubrication: Proper lubrication is vital for reducing friction and wear between gear teeth and other moving components within the gearbox. It forms a protective layer that prevents metal-to-metal contact and minimizes heat generation. The lubricant also helps dissipate heat and contaminants, ensuring a smoother and quieter operation.
Using the right type of lubricant and maintaining the proper lubrication level are essential. Over time, lubricants may degrade due to factors like temperature, load, and operating conditions. Regular lubricant analysis and replacement help maintain optimal gearbox performance.
Cooling: Planetary gearboxes can generate significant heat during operation due to friction and power transmission. Excessive heat can lead to lubricant breakdown, reduced efficiency, and premature wear. Cooling mechanisms, such as cooling fans, fins, or external cooling systems, help dissipate heat and maintain a stable operating temperature.
Efficient cooling prevents overheating and ensures consistent lubricant properties, extending the life of the gearbox components. It’s particularly important in applications with high-speed or high-torque requirements.
Overall, proper lubrication and cooling practices are essential to prevent excessive wear, maintain efficient power transmission, and prolong the service life of planetary gearboxes. Regular maintenance and monitoring of lubrication quality and cooling effectiveness are key to ensuring the continued performance of these gearboxes.

Factors to Consider When Selecting a Planetary Gearbox
Choosing the right planetary gearbox for a specific application involves considering various factors to ensure optimal performance and compatibility. Here are the key factors to keep in mind:
- Load Requirements: Determine the torque and speed requirements of your application. Planetary gearboxes offer different torque and speed ratios, so selecting the appropriate gearbox with the right load capacity is crucial.
 - Ratio: Evaluate the gear reduction ratio needed to achieve the desired output speed and torque. Planetary gearboxes come in various gear ratios, allowing you to customize the output characteristics.
 - Efficiency: Consider the gearbox’s efficiency, as it affects energy consumption and heat generation. Higher efficiency gearboxes minimize power losses during transmission.
 - Size and Compactness: Planetary gearboxes are known for their compact size, but it’s essential to choose a size that fits within the available space while meeting performance requirements.
 - Mounting Configuration: Determine how the gearbox will be mounted in your application. Planetary gearboxes can have different mounting options, including flange, shaft, or foot mountings.
 - Input and Output Types: Select the appropriate input and output shaft configurations, such as male, female, keyed, splined, or hollow shafts, to ensure compatibility with your equipment.
 - Environment: Consider the operating environment, including temperature, humidity, dust, and potential exposure to chemicals. Choose a gearbox with appropriate seals and materials to withstand the conditions.
 - Accuracy: Some applications require precise motion control. If accuracy is essential, choose a gearbox with minimal backlash and high gear mesh quality.
 - Service Life and Reliability: Evaluate the gearbox’s expected service life and reliability based on the manufacturer’s specifications. Choose a reputable manufacturer known for producing reliable products.
 - Backlash: Backlash is the play between gears that can affect positioning accuracy. Depending on your application, you might need a gearbox with low backlash or a method to compensate for it.
 - Budget: Consider your budget constraints while balancing performance requirements. Sometimes, investing in a higher-quality gearbox upfront can lead to long-term cost savings through reduced maintenance and downtime.
 
By carefully considering these factors and consulting with gearbox manufacturers or experts, you can select a planetary gearbox that best meets the unique demands of your application.


editor by CX 2024-03-02
China wholesaler CZPT 35: 1 Ratio 400W 750W Servo Motor Helical Planetary Speed Gearbox cycloidal gearbox
Product Description
Newgear 35:1 Ratio 400W 750W Servo Motor Helical Planetary Speed Gearbox
Nickel chromium molybdenum allpy steel gear is manufacturered with carburizing heat treatment for high abrasion resistance and impact toughness and by honing process to increase gear prcision and low noise operation.
Product Description
Products fearures:
1.One-piece construction, High Prescision and large output torque
2.Double bracing cage planetary shelf structure , high relible. Can suit reversible rotabtion frequently
3.Helical gear transmission, more reliable. Higher torque
4.Low return backlash,high precision
5.Special Rotation frame structure, can carry bigger Radial&Axial load
Product Parameters
| 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 | ||
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
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Textile Machinery | 
|---|---|
| Function: | Change Drive Direction, Speed Changing, Speed Reduction | 
| Layout: | Coaxial | 
| Hardness: | Hardened Tooth Surface | 
| Installation: | Vertical Type | 
| Step: | Single-Step | 
| Samples: | 
 
                                        US$ 153/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.

Recent Advancements in Planetary Gearbox Technology
Advancements in planetary gearbox technology have led to improved performance, efficiency, and durability. Here are some notable developments:
High-Efficiency Gearing: Manufacturers are using advanced materials and precision manufacturing techniques to create gears with optimized tooth profiles. This reduces friction and enhances overall efficiency, resulting in higher power transmission with lower energy losses.
Enhanced Lubrication: Innovative lubrication systems and high-performance lubricants are being employed to ensure consistent and reliable lubrication even in extreme conditions. This helps to reduce wear and extend the lifespan of the gearbox.
Compact Designs: Engineers are focusing on designing more compact and lightweight planetary gearboxes without compromising their performance. This is particularly important for applications with limited space and weight constraints.
Integrated Sensors: Planetary gearboxes are now being equipped with sensors and monitoring systems that provide real-time data on temperature, vibration, and other operating parameters. This allows for predictive maintenance and early detection of potential issues.
Smart Gearboxes: Some modern planetary gearboxes are equipped with smart features such as remote monitoring, adaptive control, and data analysis. These features contribute to more efficient operation and better integration with automation systems.
Advanced Materials: The use of high-strength and wear-resistant materials, such as advanced alloys and composites, improves the durability and load-carrying capacity of planetary gearboxes. This is particularly beneficial for heavy-duty and high-torque applications.
Customization and Simulation: Advanced simulation and modeling tools enable engineers to design and optimize planetary gearboxes for specific applications. This customization helps achieve the desired performance and reliability levels.
Noise and Vibration Reduction: Innovations in gear design and manufacturing techniques have led to quieter and smoother-running planetary gearboxes, making them suitable for applications where noise and vibration are concerns.
Environmental Considerations: With growing environmental awareness, manufacturers are developing more eco-friendly lubricants and materials for planetary gearboxes, reducing their ecological footprint.
Overall, recent advancements in planetary gearbox technology are aimed at enhancing efficiency, durability, and versatility to meet the evolving demands of various industries and applications.

Contribution of Planetary Gearboxes to Efficient Industrial Automation and Robotics
Planetary gearboxes play a crucial role in enhancing the efficiency of industrial automation and robotics systems by offering several advantages:
1. Compact Design: Planetary gearboxes provide high power density and a compact form factor. This is essential in robotics and automation where space is limited and components need to be tightly integrated.
2. High Torque Density: Planetary gearboxes can achieve high torque output in a compact size, allowing robots and automated systems to handle heavy loads and perform demanding tasks efficiently.
3. Precision and Accuracy: The design of planetary gear systems ensures accurate and precise motion control. This is vital in robotics applications where precise positioning and smooth movement are required for tasks such as pick-and-place operations and assembly.
4. Redundancy: Some planetary gearboxes feature multiple stages and redundant configurations. This provides a level of built-in redundancy, enhancing the reliability of automation systems by allowing continued operation even if one stage fails.
5. Efficiency: Planetary gearboxes are designed for high efficiency, minimizing energy losses and ensuring that the power delivered to the output stage is effectively utilized. This efficiency is crucial for reducing energy consumption and optimizing battery life in robotic applications.
6. Speed Control: Planetary gearboxes allow for precise speed control, enabling robots to perform tasks at varying speeds as needed. This flexibility is essential for tasks that require different motion dynamics or speed profiles.
7. Reduction of Motor Loads: Planetary gearboxes can reduce the load on the motor by providing mechanical advantage through gear reduction. This allows smaller, more efficient motors to be used without sacrificing performance.
8. Shock Absorption: The inherent elasticity of gear teeth in planetary gearboxes can help absorb shocks and impacts, protecting the system components and ensuring smooth operation in dynamic environments.
9. Customization: Planetary gearboxes can be tailored to specific application requirements, including gear ratios, output configurations, and mounting options. This adaptability allows for optimal integration into various automation and robotics setups.
10. Maintenance and Durability: High-quality planetary gearboxes are designed for durability and low maintenance. This is especially important in industrial automation and robotics, where continuous operation and minimal downtime are essential.
Overall, planetary gearboxes contribute significantly to the efficient operation of industrial automation and robotics systems by providing the necessary torque, precision, compactness, and reliability required for these dynamic and demanding applications.


editor by CX 2024-02-29
China Custom CZPT Fat 650 Travel Drive 100000nm Planetary Gearbox with Two Motor Connections supplier
Product Description
      Elite GFT Travel Drives are unsurpassed by any crawler or milling machines. Thanks to compact, rugged design, high torque and load capabilities, and optional mechanical lifetime seals, these solutions are the best possible option for the machine. All units are available with a fail-safe parking brake and most have the option of cartridge type fixed or variable systems. 
 Features: 
 Compact structure and space-saving design 
 Robust main bearing system 
 High torque capacity 
 High load capacity 
 Integrated static multiple disk parking brake 
 Optional Disconnect device for towing 
 Optional Quick disconnection device 
 Simple mounting 
 Easy oil change 
 Low-noise running operation 
Specifications:
| Model | HFT130T | 
| Max. output torque: | 100000 N.m | 
| Input speed | 
up to 4,000 rpm | 
| Ratio: | 42,54 | 
| Brake options | 
Hydraulically released parking brake on request | 
| Dynamic Loading: | 750KN | 
| Static Loading: | 1580KN | 
| Applicable motors: | Cartridge axial piston hydraulic motors Flanged axial piston hydraulic motors Hydraulic orbit motors Electrical motors 
  | 
| Application: | Travel for Track, Chain and Wheel driving machines ; for example bulldozer,Crawler excavator | 
1.Our material warehouse
2. Our machining euqipment
3 Our Inspection equipment
4 Our assembly line
5  Our testing machine 
 6  Our painting line
7 Finished gearbox warehouse 
 In conclusion, ELITE Hydraulic offers quality, value, and professional power transmission solutions that cater to a wide variety of industries. With their expertise, experience, and commitment to customer satisfaction, you can be sure that you’re in safe hands when working with them. Whether you need travel gearbox, electrical drive, travel drive,slew gearbox,winche gearbox,cutter gearbox,truck mixer gearbox,twin shaft mixer or other hydraulic transmission  solutions, you can trust ELITE Hydraulic to provide you with the best possible solutions. Contact them today to learn more about their power transmission products and services. 
  	/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1	  
| Application: | Motor, Motorcycle, Machinery, Agricultural Machinery | 
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction | 
| Hardness: | Hardened Tooth Surface | 
| Step: | Three-Step | 
| Type: | Planetary Gear Box | 
| Trademark: | Elite | 
| Customization: | 
 
                                            Available
                                         
| Customized Request  | 
|---|

Role of Planetary Gearboxes in Powertrain Systems of Electric and Hybrid Vehicles
Planetary gearboxes play a critical role in the powertrain systems of both electric and hybrid vehicles, contributing to their efficiency and performance:
Electric Motor Integration: In electric vehicles (EVs) and hybrid vehicles, planetary gearboxes are commonly used to connect the electric motor to the drivetrain. They enable torque and speed transformation, ensuring the motor’s output is suitable for the vehicle’s desired speed range and load conditions.
Torque Splitting in Hybrids: Hybrid vehicles often have both an internal combustion engine (ICE) and an electric motor. Planetary gearboxes enable torque splitting between the two power sources, optimizing their combined performance for various driving scenarios, such as electric-only mode, hybrid mode, and regenerative braking.
Regenerative Braking: Planetary gearboxes facilitate regenerative braking in electric and hybrid vehicles. They enable the electric motor to function as a generator, converting kinetic energy into electrical energy during deceleration. This energy can then be stored in the vehicle’s battery for later use.
Compact Design: Planetary gearboxes offer a compact design with a high power density, making them suitable for the limited space available in electric and hybrid vehicles. This compactness allows manufacturers to maximize interior space and accommodate battery packs, drivetrain components, and other systems.
Efficient Power Distribution: The unique arrangement of planetary gears allows for efficient power distribution and torque management. This is particularly important in electric and hybrid powertrains, where optimal power allocation between different components contributes to overall efficiency.
CVT Functionality: Some hybrid vehicles incorporate Continuously Variable Transmission (CVT) functionality using planetary gearsets. This enables seamless and efficient transitions between various gear ratios, improving the driving experience and enhancing fuel efficiency.
Performance Modes: Planetary gearboxes facilitate the implementation of different performance modes in electric and hybrid vehicles. These modes, such as “Sport” or “Eco,” adjust the power distribution and gear ratios to optimize performance or energy efficiency based on the driver’s preferences.
Reduction Gear for Electric Motors: Electric motors often operate at high speeds and require reduction gearing to match the vehicle’s requirements. Planetary gearboxes provide the necessary gear reduction while maintaining efficiency and torque output.
Efficient Torque Transfer: Planetary gearboxes ensure efficient transfer of torque from the power source to the wheels, resulting in smooth acceleration and responsive performance in electric and hybrid vehicles.
Integration with Energy Storage: Planetary gearboxes contribute to the integration of energy storage systems, such as lithium-ion batteries, by efficiently connecting the power source to the drivetrain while managing power delivery and regeneration.
In summary, planetary gearboxes are integral components of the powertrain systems in electric and hybrid vehicles. They enable efficient power distribution, torque transformation, regenerative braking, and various driving modes, contributing to the overall performance, efficiency, and sustainability of these vehicles.

Advantages of Backlash Reduction Mechanisms in Planetary Gearboxes
Backlash reduction mechanisms in planetary gearboxes offer several advantages that contribute to improved performance and precision:
Improved Positioning Accuracy: Backlash, or the play between gear teeth, can lead to positioning errors in applications where precise movement is crucial. Reduction mechanisms help minimize or eliminate this play, resulting in more accurate positioning.
Better Reversal Characteristics: Backlash can cause a delay in reversing the direction of motion. With reduction mechanisms, the reversal is smoother and more immediate, making them suitable for applications requiring quick changes in direction.
Enhanced Efficiency: Backlash can lead to energy losses and reduced efficiency due to the impacts between gear teeth. Reduction mechanisms minimize these impacts, improving overall power transmission efficiency.
Reduced Noise and Vibration: Backlash can contribute to noise and vibration in gearboxes, affecting both the equipment and the surrounding environment. By reducing backlash, the noise and vibration levels are significantly decreased.
Better Wear Protection: Backlash can accelerate wear on gear teeth, leading to premature gearbox failure. Reduction mechanisms help distribute the load more evenly across the teeth, extending the lifespan of the gearbox.
Enhanced System Stability: In applications where stability is crucial, such as robotics and automation, backlash reduction mechanisms contribute to smoother operation and reduced oscillations.
Compatibility with Precision Applications: Industries such as aerospace, medical equipment, and optics require high precision. Backlash reduction mechanisms make planetary gearboxes suitable for these applications by ensuring accurate and reliable motion.
Increased Control and Performance: In applications where control is critical, such as CNC machines and robotics, reduction mechanisms provide better control over the motion and enable finer adjustments.
Minimized Error Accumulation: In systems with multiple gear stages, backlash can accumulate, leading to larger positioning errors. Reduction mechanisms help minimize this error accumulation, maintaining accuracy throughout the system.
Overall, incorporating backlash reduction mechanisms in planetary gearboxes leads to improved accuracy, efficiency, reliability, and performance, making them essential components in precision-driven industries.

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 2024-02-25
China wholesaler 2 Speed Plf120 Round Flange Output Motor Planetary Gearbox automatic gearbox
Product Description
2 Speed PLF120 Round Flange Output Motor Planetary Gearbox
-Planetary gearbox is a widely used industrial product, which can reduce the speed of motor and increase the output torque. Planetary reducer can be used as supporting parts in lifting, excavation, transportation, construction and other industries.
-Single stage :12,16,20,25,28,35,40,50,70
-Net Weight: 8.9Kg 
 -Product picture 
-Conpments of the gearbox
-Datasheet
 -Feature
Transmission Type: Planetary power transmission type
Material : Gear ring 42CrmoTi
                Flange Aluminum casting
                Output shaft 40Crmo
Output type:PLE round falnge output
                    PLF square flange output
                    ZPLE right angle round flange output
                    ZPLF right angle square flange output
Backlash:   Spur gearbox CZPT : <7 arcmin
                     Spur gearbox 2 stage : <12 arcmin
                     Helical gearbox CZPT : <3 arcmin
                     Helical gearbox CZPT : <5 arcmin
Low noise and high quality.
-Company introduction
FOCUS is an automation & drive focused global company, providing global customers with control, display, drive and system solutions & other related products and services, under the support of its excellent electrical and electronic technology as well as strong control technical force.
 
We provide and develop perfect products and solutions according to different requirement of the industry. Our products have been used and applied successfully in packing, printing, textiles, plastic injection, elevator, machine tool, robot,wood cutting, stone carving, ceramic, glass, paper making industry, crane, fan & pump, new energy resources etc.
FOCUS, your professional electrical partner !
-Payment & Package & Delivery 
1,Payment
( T/T , Western union, Paypal , L/C and so on )
2,Pakcage
( Small gearbox use carton package, Big gearbox use wooden box package )  
3,Delivery 
( By International Express,  By Air , By Sea ) 
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Agricultural Machinery | 
|---|---|
| Hardness: | Hardened Tooth Surface | 
| Installation: | Vertical Type | 
| Layout: | Coaxial | 
| Gear Shape: | Conical – Cylindrical Gear | 
| Step: | Double-Step | 
| 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.

The Role of Lubrication and Cooling in Maintaining Planetary Gearbox Performance
Lubrication and cooling are essential factors in ensuring the optimal performance and longevity of planetary gearboxes. Here’s how they play a crucial role:
Lubrication: Proper lubrication is vital for reducing friction and wear between gear teeth and other moving components within the gearbox. It forms a protective layer that prevents metal-to-metal contact and minimizes heat generation. The lubricant also helps dissipate heat and contaminants, ensuring a smoother and quieter operation.
Using the right type of lubricant and maintaining the proper lubrication level are essential. Over time, lubricants may degrade due to factors like temperature, load, and operating conditions. Regular lubricant analysis and replacement help maintain optimal gearbox performance.
Cooling: Planetary gearboxes can generate significant heat during operation due to friction and power transmission. Excessive heat can lead to lubricant breakdown, reduced efficiency, and premature wear. Cooling mechanisms, such as cooling fans, fins, or external cooling systems, help dissipate heat and maintain a stable operating temperature.
Efficient cooling prevents overheating and ensures consistent lubricant properties, extending the life of the gearbox components. It’s particularly important in applications with high-speed or high-torque requirements.
Overall, proper lubrication and cooling practices are essential to prevent excessive wear, maintain efficient power transmission, and prolong the service life of planetary gearboxes. Regular maintenance and monitoring of lubrication quality and cooling effectiveness are key to ensuring the continued performance of these gearboxes.

Design Principles and Functions of Planetary Gearboxes
Planetary gearboxes, also known as epicyclic gearboxes, are a type of gearbox that consists of one or more planet gears that revolve around a central sun gear, all contained within an outer ring gear. The design principles and functions of planetary gearboxes are based on this unique arrangement:
- Sun Gear: The sun gear is positioned at the center and is connected to the input shaft. It transmits power from the input source to the planetary gears.
 - Planet Gears: Planet gears are small gears that rotate around the sun gear. They are typically mounted on a carrier, which is connected to the output shaft. The interaction between the planet gears and the sun gear creates both speed reduction and torque amplification.
 - Ring Gear: The outer ring gear is stationary and surrounds the planet gears. The teeth of the planet gears mesh with the teeth of the ring gear. The ring gear serves as the housing for the planet gears and provides a fixed outer reference point.
 - Function: Planetary gearboxes offer various gear reduction ratios by altering the arrangement of the input, output, and planet gears. Depending on the configuration, the sun gear, planet gears, or ring gear can serve as the input, output, or stationary element. This flexibility allows planetary gearboxes to achieve different torque and speed combinations.
 - Gear Reduction: In a planetary gearbox, the planet gears rotate while also revolving around the sun gear. This double motion creates multiple gear meshing points, distributing the load and enhancing torque transmission. The output shaft, connected to the planet carrier, rotates at a lower speed and higher torque than the input shaft.
 - Torque Amplification: Due to the multiple points of contact between the planet gears and the sun gear, planetary gearboxes can achieve torque amplification. The arrangement of gears allows for load sharing and distribution, leading to efficient torque transmission.
 - Compact Size: The compact design of planetary gearboxes, achieved by stacking the gears concentrically, makes them suitable for applications where space is limited.
 - Multiple Stages: Planetary gearboxes can be designed with multiple stages, where the output of one stage becomes the input of the next. This arrangement allows for high gear reduction ratios while maintaining a compact size.
 - Controlled Motion: By controlling the arrangement of the gears and their rotation, planetary gearboxes can provide different motion outputs, including forward, reverse, and even variable speeds.
 
Overall, the design principles of planetary gearboxes allow them to provide efficient torque transmission, compact size, high gear reduction, and versatile motion control, making them well-suited for various applications in industries such as automotive, robotics, aerospace, and more.


editor by CX 2024-02-15
China factory Innovative Planetary Gearbox Technology for Electric Motor Drives with Great quality
Product Description
        
  
Product Description
Product Parameters
| Parameters | Unit | Level | Reduction Ratio | Flange Size Specification | |||||
| 070 | 090 | 115 | 155 | 205 | 235 | ||||
| Rated output torque T2n | N.m | 1 | 3 | 55 | 130 | 208 | 342 | 588 | 1140 | 
| 4 | 50 | 140 | 290 | 542 | 1050 | 1700 | |||
| 5 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 7 | 35 | 140 | 300 | 550 | 1100 | 1800 | |||
| 8 | 35 | 120 | 260 | 500 | 1000 | 1600 | |||
| 10 | 23 | 48 | 140 | 370 | 520 | 1220 | |||
| 2 | 12 | 55 | 130 | 208 | 342 | 588 | 1140 | ||
| 15 | 55 | 130 | 208 | 342 | 588 | 1140 | |||
| 20 | 50 | 140 | 290 | 542 | 1050 | 1700 | |||
| 25 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 28 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 30 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 35 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 40 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 50 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 70 | 35 | 140 | 310 | 550 | 1100 | 1800 | |||
| 100 | 23 | 48 | 140 | 370 | 520 | 1220 | |||
| 3 | 120 | 60 | 160 | 330 | 650 | 1200 | 2000 | ||
| 150 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 200 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 250 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 280 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 350 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 400 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 500 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 700 | 35 | 140 | 310 | 550 | 1100 | 1800 | |||
| 1000 | 23 | 48 | 140 | 370 | 520 | 1220 | |||
| Maximum output torque T2b | N.m | 1,2,3 | 3~1000 | 3Times of Rated Output Torque | |||||
| Rated input speed N1n | rpm | 1,2,3 | 3~1000 | 5000 | 3000 | 3000 | 3000 | 3000 | 2000 | 
| Maximum input speed N1b | rpm | 1,2,3 | 3~1000 | 10000 | 6000 | 6000 | 6000 | 6000 | 4000 | 
| Ultra Precision Backlash PS | arcmin | 1 | 3~10 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | 
| arcmin | 2 | 12~100 | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 | |
| arcmin | 3 | 120~1000 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
| High Precision Backlash P0 | arcmin | 1 | 3~10 | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 | 
| arcmin | 2 | 12~100 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | |
| arcmin | 3 | 120~1000 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | |
| Precision Backlash P1 | arcmin | 1 | 3~10 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | 
| arcmin | 2 | 12~100 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
| arcmin | 3 | 12~1000 | ≤9 | ≤9 | ≤9 | ≤9 | ≤9 | ≤9 | |
| Standard Backlash P2 | arcmin | 1 | 3~10 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | 
| arcmin | 2 | 12~100 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | |
| arcmin | 3 | 120~1000 | ≤11 | ≤11 | ≤11 | ≤11 | ≤11 | ≤11 | |
| Torsional Rigidity | Nm/arcmin | 1,2,3 | 3~1000 | 3.5 | 10.5 | 20 | 39 | 115 | 180 | 
| Allowable radial force F2rb2 | N | 1,2,3 | 3~1000 | 1100 | 2200 | 5571 | 7610 | 10900 | 24000 | 
| Allowable axial force F2ab2 | N | 1,2,3 | 3~1000 | 630 | 1230 | 2550 | 3780 | 5875 | 11200 | 
| Moment of Inertia J1 | kg.cm2 | 1 | 3~10 | 0.2 | 1.2 | 2 | 7.2 | 25 | 65 | 
| 2 | 12~100 | 0.08 | 0.18 | 0.7 | 1.7 | 7.9 | 14 | ||
| 3 | 120~1000 | 0.03 | 0.01 | 0.04 | 0.09 | 0.21 | 0.82 | ||
| Service Life | hr | 1,2,3 | 3~1000 | 20000 | |||||
| Efficiency η | % | 1 | 3~10 | 97% | |||||
| 2 | 12~100 | 94% | |||||||
| 3 | 120~1000 | 91% | |||||||
| Noise Level | dB | 1,2,3 | 3~1000 | ≤58 | ≤60 | ≤63 | ≤65 | ≤67 | ≤70 | 
| Operating Temperature | ºC | 1,2,3 | 3~1000 | -10~+90 | |||||
| Protection Class | IP | 1,2,3 | 3~1000 | IP65 | |||||
| Weights | kg | 1 | 3~10 | 1.3 | 3.7 | 7.8 | 14.5 | 29 | 48 | 
| 2 | 12~100 | 1.9 | 4.1 | 9 | 17.5 | 33 | 60 | ||
| 3 | 120~1000 | 2.3 | 4.8 | 12 | 22 | 37 | 72 | ||
FAQ
Q: How to select a gearbox?
A: Firstly, determine the torque and speed requirements for your application. Consider the load characteristics, operating environment, and duty cycle. Then, choose the appropriate gearbox type, such as planetary, worm, or helical, based on the specific needs of your system. Ensure compatibility with the motor and other mechanical components in your setup. Lastly, consider factors like efficiency, backlash, and size to make an informed selection.
Q: What type of motor can be paired with a gearbox?
A: Gearboxes can be paired with various types of motors, including servo motors, stepper motors, and brushed or brushless DC motors. The choice depends on the specific application requirements, such as speed, torque, and precision. Ensure compatibility between the gearbox and motor specifications for seamless integration.
Q: Does a gearbox require maintenance, and how is it maintained?
A: Gearboxes typically require minimal maintenance. Regularly check for signs of wear, lubricate as per the manufacturer’s recommendations, and replace lubricants at specified intervals. Performing routine inspections can help identify issues early and extend the lifespan of the gearbox.
Q: What is the lifespan of a gearbox?
A: The lifespan of a gearbox depends on factors such as load conditions, operating environment, and maintenance practices. A well-maintained gearbox can last for several years. Regularly monitor its condition and address any issues promptly to ensure a longer operational life.
Q: What is the slowest speed a gearbox can achieve?
A: Gearboxes are capable of achieving very slow speeds, depending on their design and gear ratio. Some gearboxes are specifically designed for low-speed applications, and the choice should align with the specific speed requirements of your system.
Q: What is the maximum reduction ratio of a gearbox?
A: The maximum reduction ratio of a gearbox depends on its design and configuration. Gearboxes can achieve various reduction ratios, and it’s important to choose 1 that meets the torque and speed requirements of your application. Consult the gearbox specifications or contact the manufacturer for detailed information on available reduction ratios.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Machinery, Agricultural Machinery, Gearbox | 
|---|---|
| Hardness: | Hardened Tooth Surface | 
| Installation: | Vertical Type | 
| Layout: | Coaxial | 
| Gear Shape: | Bevel Gear | 
| Step: | Three-Step | 
| 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.

Impact of Temperature Variations and Environmental Conditions on Planetary Gearbox Performance
The performance of planetary gearboxes can be significantly influenced by temperature variations and environmental conditions. Here’s how these factors impact their operation:
Temperature Variations: Extreme temperature fluctuations can affect the lubrication properties of the gearbox. Cold temperatures can cause the lubricant to thicken, leading to increased friction and reduced efficiency. On the other hand, high temperatures can cause the lubricant to thin out, potentially leading to insufficient lubrication and accelerated wear.
Environmental Contaminants: Planetary gearboxes used in outdoor or industrial environments can be exposed to contaminants such as dust, dirt, moisture, and chemicals. These contaminants can infiltrate the gearbox and degrade the quality of the lubricant. Additionally, abrasive particles can cause wear on gear surfaces, leading to decreased performance and potential damage.
Corrosion: Exposure to moisture, especially in humid or corrosive environments, can lead to corrosion of gearbox components. Corrosion weakens the structural integrity of gears and other components, which can ultimately result in premature failure.
Thermal Expansion: Temperature changes can cause materials to expand and contract. In gearboxes, this can lead to misalignment of gears and improper meshing, causing noise, vibration, and reduced efficiency. Proper consideration of thermal expansion is crucial in gearbox design.
Sealing and Ventilation: To mitigate the impact of temperature and environmental factors, planetary gearboxes need effective sealing to prevent contaminants from entering and to retain the lubricant. Proper ventilation is also essential to prevent pressure build-up inside the gearbox due to temperature changes.
Cooling Systems: In applications where temperature control is critical, cooling systems such as fans or heat exchangers can be incorporated to maintain optimal operating temperatures. This helps prevent overheating and ensures consistent gearbox performance.
Overall, temperature variations and environmental conditions can have a profound impact on the performance and lifespan of planetary gearboxes. Manufacturers and operators need to consider these factors during design, installation, and maintenance to ensure reliable and efficient operation.

Design Principles and Functions of Planetary Gearboxes
Planetary gearboxes, also known as epicyclic gearboxes, are a type of gearbox that consists of one or more planet gears that revolve around a central sun gear, all contained within an outer ring gear. The design principles and functions of planetary gearboxes are based on this unique arrangement:
- Sun Gear: The sun gear is positioned at the center and is connected to the input shaft. It transmits power from the input source to the planetary gears.
 - Planet Gears: Planet gears are small gears that rotate around the sun gear. They are typically mounted on a carrier, which is connected to the output shaft. The interaction between the planet gears and the sun gear creates both speed reduction and torque amplification.
 - Ring Gear: The outer ring gear is stationary and surrounds the planet gears. The teeth of the planet gears mesh with the teeth of the ring gear. The ring gear serves as the housing for the planet gears and provides a fixed outer reference point.
 - Function: Planetary gearboxes offer various gear reduction ratios by altering the arrangement of the input, output, and planet gears. Depending on the configuration, the sun gear, planet gears, or ring gear can serve as the input, output, or stationary element. This flexibility allows planetary gearboxes to achieve different torque and speed combinations.
 - Gear Reduction: In a planetary gearbox, the planet gears rotate while also revolving around the sun gear. This double motion creates multiple gear meshing points, distributing the load and enhancing torque transmission. The output shaft, connected to the planet carrier, rotates at a lower speed and higher torque than the input shaft.
 - Torque Amplification: Due to the multiple points of contact between the planet gears and the sun gear, planetary gearboxes can achieve torque amplification. The arrangement of gears allows for load sharing and distribution, leading to efficient torque transmission.
 - Compact Size: The compact design of planetary gearboxes, achieved by stacking the gears concentrically, makes them suitable for applications where space is limited.
 - Multiple Stages: Planetary gearboxes can be designed with multiple stages, where the output of one stage becomes the input of the next. This arrangement allows for high gear reduction ratios while maintaining a compact size.
 - Controlled Motion: By controlling the arrangement of the gears and their rotation, planetary gearboxes can provide different motion outputs, including forward, reverse, and even variable speeds.
 
Overall, the design principles of planetary gearboxes allow them to provide efficient torque transmission, compact size, high gear reduction, and versatile motion control, making them well-suited for various applications in industries such as automotive, robotics, aerospace, and more.


editor by CX 2024-02-12
China best CZPT Factory P Series High Torque Hydraulic Gear Motor Planetary Gearbox for Concrete Mixer differential gearbox
Product Description
| 
 Product Name  | 
 Best price of P series planetary gearbox for concrete mixer  | 
| 
 Series  | 
 gear reducer  | 
| 
 Application  | 
 Power Tranmission  | 
| 
 Bearing  | 
 China Top brand HRB,LYC,ZWZ or other brands requested, CZPT  | 
| 
 Used  | 
 industry machinery  | 
Product Description
 1.P series planetary gear reducer is widely used in metallurgy , mining, lifting and transport , electricity, energy , building
materials, light industry, transportation and other industrial sectors.
2. P series planetary gear involute planetary gear transmission , within a reasonable use, external gear , power split .
3. The planetary gear modular design changes can be combined according to customer requirements.
4.Carburized gears are used to obtain high- hard wear-resistant surface , all the heat treatment after grinding gear teeth ,
reduce noise , improve the overall efficiency and service life.
5. Hight quality gear reducer , small transmission ratio range , high efficiency, smooth operation, low noise adaptability and
other characteristics . 
Company Profile
Certifications
Packaging & Shipping
FAQ
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Hardness: | Hardened Tooth Surface | 
|---|---|
| Installation: | Horizontal Type | 
| Layout: | Coaxial | 
| Gear Shape: | Planetary | 
| Step: | Single-Step | 
| Type: | Gear Reducer | 
| Samples: | 
 
                                        US$ 100000/Piece 
1 Piece(Min.Order)                                         |  | 
|---|

Contribution of Planetary Gearboxes to Conveyor Belt Efficiency in Mining Operations
Planetary gearboxes play a significant role in enhancing the efficiency of conveyor belts used in mining operations:
- High Torque Capability: Planetary gearboxes are capable of providing high torque output, which is essential for handling heavy loads of mined materials on conveyor belts.
 - Compact Design: The compact nature of planetary gearboxes allows them to be integrated into tight spaces, making them suitable for conveyor systems where space is limited.
 - Multi-Stage Design: Planetary gearboxes can achieve high gear ratios through multiple stages of gear reduction. This allows for efficient power transmission from the motor to the conveyor, reducing the load on the motor and increasing overall efficiency.
 - Load Distribution: Planetary gearboxes distribute the load across multiple planet gears, which helps in minimizing wear and ensuring longer lifespan of the gearbox.
 - Variable Speed Control: By using planetary gearboxes with variable speed capabilities, conveyor belts can be operated at different speeds to match the processing requirements, optimizing material handling and energy consumption.
 - Overload Protection: Some planetary gearboxes feature built-in overload protection mechanisms, safeguarding the gearbox and conveyor system from damage due to sudden increases in load.
 
Overall, planetary gearboxes enhance the efficiency, reliability, and performance of conveyor belts in mining operations by providing the necessary torque, compact design, and precise control needed to transport mined materials effectively.

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.

Examples of High Torque and Compact Design Applications for Planetary Gearboxes
Planetary gearboxes excel in applications where high torque output and a compact design are essential. Here are some scenarios where these characteristics are crucial:
- Automotive Transmissions: In modern vehicles, planetary gearboxes are used in automatic transmissions to efficiently transmit engine power to the wheels. The compact size of planetary gearboxes allows for integration within the limited space of a vehicle’s transmission housing.
 - Robotics: Planetary gearboxes are utilized in robotic arms and joints, where compactness is essential to maintain the robot’s overall size while providing the necessary torque for precise and controlled movement.
 - Conveyor Systems: Conveyor belts in industries like material handling and manufacturing often require high torque to move heavy loads. The compact design of planetary gearboxes allows them to be integrated into the conveyor system’s framework.
 - Wind Turbines: Wind turbine applications demand high torque to convert low wind speeds into sufficient rotational force for power generation. The compact design of planetary gearboxes helps optimize space within the turbine’s nacelle.
 - Construction Machinery: Heavy equipment used in construction, such as excavators and loaders, rely on planetary gearboxes to provide the necessary torque for digging and lifting operations without adding excessive weight to the machinery.
 - Marine Propulsion: Planetary gearboxes play a crucial role in marine propulsion systems by efficiently transmitting high torque from the engine to the propeller shaft. The compact design is particularly important in the limited space of a ship’s engine room.
 
These examples highlight the significance of planetary gearboxes in applications where both high torque output and a compact footprint are vital considerations. Their ability to deliver efficient torque conversion within a small space makes them well-suited for a wide range of industries and machinery.


editor by CX 2024-02-07
China best CZPT Ngw Series Planetary Gearbox with Electric Motor differential gearbox
Product Description
Product Description
AOKMAN NGW Series Planetary Gearbox With Electric Motor
NGW series gearboxes consist of single-stage(NGW11-NGW121),two-stage(NGW42-NGW122) and stree-stage(NGW73-NGW123).
1.Model Number
NGW, NGW-L, NGW-S, NGW-QJ 
2.Applications
NGW Planetary Gear Units is widely used in many areas such as metallurgy, mine, lifting, transportation, textile, cement, light industry, chemical, pharmaceutical, dye printing and so on. 
Detailed Photos
3.Product Characteristics
(1) Small volume, light weight, well-knitted structure, big transmission power and high load capacity. Compared with the ordinary cylindrical gear reducers of the same level, its weight is lower 1/2 and volume is only 1/2-1/3 of the former.
(2) High transmission efficiency. 1-stage is up to 97%, 2-stage 94%, 3-stage 91%.
(3) The range of transmission power is very wide, from 1kw to 1300kw.
(4) NGW Planetary Gear Units is designed with hard-tooth-faced, and can be used widely and in long period.
(5) Big transmission ratio 
4.Technical Data(NGW)
Original Version NGW Series
Shafts Position: In Line
1 Stage: NGW11~NGW121 Ratio: 2.8~12.5
2 Stage: NGW42~NGW122 Ratio: 14~160
3 Stage: NGW73~NGW123 Ratio: 180~2000
New Design NGW Series
Shafts Position: In Line, Parallel Shaft
NAD(NAF) – 1 Stage, Foot Mounted(Flange Mounted), In Line
NAZD(NAZF) – 1 Stage, Foot Mounted(Flange Mounted), Parallel Shaft
NBD(NBF) – 2 Stage, Foot Mounted(Flange Mounted), In Line
Product Parameters
NGW-S Series Planetary Gearboxes
Shafts Position: Right Angle
Gearset: Spiral Bevel Gear Pair Integrated With Planetary Gear Set
2 Stage: NGW-S42~NGW-S122 Ratio: 11.2~80
3 Stage: NGW-S73~NGW-S123 Ratio: 56~500
 
| Stage | Model | Size | Ratio | Rated Power | 
| Single-stage | NGW11~NGW121 | 1~12 | 2.8~12.5 | 2. 8-1314KW | 
| Two-stage | NGW42~NGW122 | 1~12 | 14-160 | 0.7-517KW | 
| Three-stage | NGW73~NGW123 | 1~6 | 180-2000 | 0.16-47.1KW | 
| Types | Sizes | Nominal Ratio | Input Shaft Dia.(m6) | Output Shaft Dia.(n6) | 
| NAD | 200,224,…1800,2000 | 4~5.6
 6.3~9  | 
50~400mm
 40~360mm  | 
60~630mm | 
| NAF | 200,224,…500,560 | 4~5.6
 6.3~9  | 
50~130mm
 40~100mm  | 
60~220mm | 
| NAZD | 200,224,…1400,1600 | 10~18 | 30~240mm | 60~560mm | 
| NAZF | 200,224,…500,560 | 10~18 | 30~85mm | 60~220mm | 
| NBD | 250,280,…1800,2000 | 20~25
 28~50  | 
30~280mm | 80~630mm | 
| NBF | 250,280,…500,560 | 20~25
 28~50  | 
30~80mm | 80~220mm | 
| NBZD | 250,280,…1400,1600 | 56~125 | 28~170mm | 80~560mm | 
| NBZF | 250,280,…500,560 | 56~125 | 28~55mm | 80~220mm | 
| NCD | 315,355,…1800,2000 | 112~400 | 25~150mm | 120~630mm | 
| NCF | 315,355,…500,560 | 112~400 | 25~50mm | 120~220mm | 
| NCZD | 315,355,…1800,2000 | 450~1250 | 20~170mm | 120~630mm | 
| NCZF | 315,355,…500,560 | 450~1250 | 25~45mm | 120~220mm | 
Packaging & Shipping
Company Profile
After Sales Service
| Pre-sale services | 1. Select equipment model. | 
| 2.Design and manufacture products according to clients’ special requirement. | |
| 3.Train technical personal for clients | |
| Services during selling | 1.Pre-check and accept products ahead of delivery. | 
| 2. Help clients to draft solving plans. | |
| After-sale services | 1.Assist clients to prepare for the first construction scheme. | 
| 2. Train the first-line operators. | |
| 3.Take initiative to eliminate the trouble rapidly. | |
| 4. Provide technical exchanging. | 
FAQ
1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer, 
P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more 
than 1 hundred models and thousands of specifications 
2.Q:Can you make as per custom drawing? 
A: Yes, we offer customized service for customers. 
3.Q:What is your terms of payment ? 
A: 30% Advance payment by T/T after signing the contract.70% before delivery 
4.Q:What is your MOQ? 
A: 1 Set 
If you have any demand for our products please feel free to contact me. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Machinery | 
|---|---|
| Function: | Speed Changing, Speed Reduction | 
| Layout: | Coaxial | 
| Hardness: | Hardened Tooth Surface | 
| Installation: | Horizontal Type | 
| Step: | Double-Step | 
| 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.

The Role of Lubrication and Cooling in Maintaining Planetary Gearbox Performance
Lubrication and cooling are essential factors in ensuring the optimal performance and longevity of planetary gearboxes. Here’s how they play a crucial role:
Lubrication: Proper lubrication is vital for reducing friction and wear between gear teeth and other moving components within the gearbox. It forms a protective layer that prevents metal-to-metal contact and minimizes heat generation. The lubricant also helps dissipate heat and contaminants, ensuring a smoother and quieter operation.
Using the right type of lubricant and maintaining the proper lubrication level are essential. Over time, lubricants may degrade due to factors like temperature, load, and operating conditions. Regular lubricant analysis and replacement help maintain optimal gearbox performance.
Cooling: Planetary gearboxes can generate significant heat during operation due to friction and power transmission. Excessive heat can lead to lubricant breakdown, reduced efficiency, and premature wear. Cooling mechanisms, such as cooling fans, fins, or external cooling systems, help dissipate heat and maintain a stable operating temperature.
Efficient cooling prevents overheating and ensures consistent lubricant properties, extending the life of the gearbox components. It’s particularly important in applications with high-speed or high-torque requirements.
Overall, proper lubrication and cooling practices are essential to prevent excessive wear, maintain efficient power transmission, and prolong the service life of planetary gearboxes. Regular maintenance and monitoring of lubrication quality and cooling effectiveness are key to ensuring the continued performance of these gearboxes.

Design Principles and Functions of Planetary Gearboxes
Planetary gearboxes, also known as epicyclic gearboxes, are a type of gearbox that consists of one or more planet gears that revolve around a central sun gear, all contained within an outer ring gear. The design principles and functions of planetary gearboxes are based on this unique arrangement:
- Sun Gear: The sun gear is positioned at the center and is connected to the input shaft. It transmits power from the input source to the planetary gears.
 - Planet Gears: Planet gears are small gears that rotate around the sun gear. They are typically mounted on a carrier, which is connected to the output shaft. The interaction between the planet gears and the sun gear creates both speed reduction and torque amplification.
 - Ring Gear: The outer ring gear is stationary and surrounds the planet gears. The teeth of the planet gears mesh with the teeth of the ring gear. The ring gear serves as the housing for the planet gears and provides a fixed outer reference point.
 - Function: Planetary gearboxes offer various gear reduction ratios by altering the arrangement of the input, output, and planet gears. Depending on the configuration, the sun gear, planet gears, or ring gear can serve as the input, output, or stationary element. This flexibility allows planetary gearboxes to achieve different torque and speed combinations.
 - Gear Reduction: In a planetary gearbox, the planet gears rotate while also revolving around the sun gear. This double motion creates multiple gear meshing points, distributing the load and enhancing torque transmission. The output shaft, connected to the planet carrier, rotates at a lower speed and higher torque than the input shaft.
 - Torque Amplification: Due to the multiple points of contact between the planet gears and the sun gear, planetary gearboxes can achieve torque amplification. The arrangement of gears allows for load sharing and distribution, leading to efficient torque transmission.
 - Compact Size: The compact design of planetary gearboxes, achieved by stacking the gears concentrically, makes them suitable for applications where space is limited.
 - Multiple Stages: Planetary gearboxes can be designed with multiple stages, where the output of one stage becomes the input of the next. This arrangement allows for high gear reduction ratios while maintaining a compact size.
 - Controlled Motion: By controlling the arrangement of the gears and their rotation, planetary gearboxes can provide different motion outputs, including forward, reverse, and even variable speeds.
 
Overall, the design principles of planetary gearboxes allow them to provide efficient torque transmission, compact size, high gear reduction, and versatile motion control, making them well-suited for various applications in industries such as automotive, robotics, aerospace, and more.


editor by CX 2024-02-02
China high quality Plm-12 Concrete Truck Mixer Motor Reducer Gearbox, Hydraulic Planetary Gearbox Manufacturer with Good quality
Product Description
 Mixer Truck Speed Reducer PLM-12 is a high-performance reducer designed for mixer trucks. It offers smooth and consistent speed control, ensuring even mixing of materials such as concrete, asphalt, and more. The PLM-12 is built with a robust construction, designed to withstand the harshest job site conditions. It features a compact design, making it easy to install and maintain on a wide range of mixer trucks. The PLM-12 offers a high torque capacity suitable for mixer trucks of all sizes, ensuring compatibility and performance across a wide range of applications. The reducer incorporates a sealed bearing system, enhancing its durability and extending its service life. It is also equipped with a thermal protection system that prevents overheating, ensuring reliable operation under various working conditions. Whether you’re mixing concrete for construction projects or mixing asphalt for road repairs, the PLM-12 reducer offers the precision and performance you need to get the job done efficiently. With its robust design and exceptional performance, the PLM-12 mixer truck reducer is a dependable addition to your mixer truck fleet. 
  
| Model NO. | PLM-12 | Model | PLM-12 | 
| Lead Time | 5 Days | Transport Package | Standard Export Wooden Case | 
| Colour | as Your Request | Usage | Concrete Mixer | 
| Weight | 295KG | Specification | 56*56*75 | 
| Trademark | Bodeke | Origin | China | 
| HS Code | 8483457100 | Production Capacity | 100 Sets/Month | 
| Technical data of Camray CMR conrete mixer gearbox | |||
| Model | PLM-10 | PLM-12 | PLM-16 | 
| Max.Output Torque Nm  | 
60000 | 65,000 | 70000 | 
| Max.installation angle of Drum | 11° | 11° | 11° | 
| Max.Output speed rpm  | 
17 | 17 | 15 | 
| Max.Capacity of Drum m³ | 10 | 12 | 16 | 
| Weight(without oil) KG | 285 | 285 | 300 | 
 FAQ 
 Questions you maybe inquiry 
 Q1.What’s the application for Reducer? 
 Construction equipment Steel factory or Power plant Industrial equipment Related hydraulic system 
 Q2.What about the MOQ? 
 MOQ:1~300 pcs. 
 Q3.Are you manufacturer?  And what’s the delivery time? 
 Yes, we are manufacturer and have our own factory. Generally, its in stock for common models, 25-30 days will be finished and sent to customer in time. 
 Q4.If we don’t find what we want on your website, what should we do? 
 A: You can email us the descriptions and pictures of the products you need, We will check whether we can make it. 
 Q5.How about the inspection and Guarantee of products? 
 We promise: all products are tested before ship, to confirm it will be working and  in good conditions when customers get. Also, we offer 12-month guarantee, if it doesn’t work due to quality issue in the period, we will send spares to repair for free. 
 Q6. What about your after-sale service? 
 If there is any question in use, please talk with your sales manager at any time, so we will know your problems are and help to solve. 
Bodeke Industrial Components Co., Ltd. is a leading Chinese company specializing in the manufacturing and maintenance of a wide range of industrial equipment components. Our products find application in diverse sectors, including cement tanker trucks, excavators, rescue equipment for cement trucks, mixers, cranes, hydraulic motors, hydraulic pumps, and other industrial machinery.
| Empower your industrial machinery with Bodeke – a leading Chinese manufacturer specializing in the repair and production of a wide range of equipment components.From cement tanker trucks and excavators to mixer trucks,cranes,hydraulic motors,and pumps,our precision-engineered products redefine reliability and performance.Elevate your operations with Bodeke’s quality components-your trusted partner in global industrial excellence. | |||
| Gearbox | Pump | Motor | |
| PLM-7 reducer / gearbox | PMP7YR120 reducer / gearbox | 4623-552 pump | 4633 motor | 
| PLM-9 reducer / gearbox | PMP7.2R129 reducer / gearbox | 5423-518 pump | 5433-138 motor | 
| CML-10 reducer / gearbox | PMP7.1R130 reducer / gearbox | 6423-279 pump | 6433 motor | 
| CML-12 reducer / gearbox | PMP7.5R130 reducer / gearbox | Eaton 4623-552 pump | Eaton 4633 motor | 
| CML16 reducer / gearbox | PMP7.8R140 reducer / gearbox | Eaton 5423-518 pump | Eaton 5433-138 motor | 
| P3301 reducer / gearbox | PMP8.0R140 reducer / gearbox | Eaton 6423-279 pump | Eaton 6433 motor | 
| P4300 reducer / gearbox | PMP9YR140 reducer / gearbox | PV22 pump | MF22 motor | 
| P5300 reducer / gearbox | PMP7.5R134 reducer / gearbox | PV23 pump | MF23 motor | 
| P7300 reducer / gearbox | PMP7.5R135 reducer / gearbox | SPV22 pump | SMF22 motor | 
| PLM-7 reducer / gearbox | PMP7.5R136 reducer / gearbox | SPV23 pump | SMF23 motor | 
| PLM-9 reducer / gearbox | PMP6sp reducer / gearbox | PV070 pump | MF070 motor | 
| CML-10 reducer / gearbox | PMP 6.5sp reducer / gearbox | PV089 pump | MF089 motor | 
| CML-12 reducer / gearbox | PMP 7.1sp reducer / gearbox | SPV070 pump | SMF070 motor | 
| CML16 reducer / gearbox | PMP 7.5sp reducer / gearbox | SPV089 pump | SMF089 motor | 
| P3301 reducer / gearbox | PMP 6cp reducer / gearbox | PV110 pump | MF110 motor | 
| P4300 reducer / gearbox | PMP 6.5cp reducer / gearbox | SPV110 pump | SMF110 motor | 
| P5300 reducer / gearbox | PMP 7.1cp reducer / gearbox | PV112 pump | MF112 motor | 
| P7300 reducer / gearbox | PMP 7.5cp reducer / gearbox | SPV112 pump | SMF112 motor | 
| PMB 6.0 reducer / gearbox | 575L reducer / gearbox | PV090 pump | MF090 motor | 
| PMB6R100 reducer / gearbox | 577L reducer / gearbox | SPV090 pump | SMF090 motor | 
| PMB6.5R120 reducer / gearbox | 580L reducer / gearbox | A4VTG71pump | TMM070 motor | 
| PMB7aspR120 reducer / gearbox | 575S3W reducer / gearbox | A4VTG90 pump | TMM089 motor | 
| PMB7.1R120 reducer / gearbox | 577S3W reducer / gearbox | 90C pump | AA2FM63/A2FM90/61W Piston Motor | 
| PMB7YR120 reducer / gearbox | 580S3W reducer / gearbox | 90A pump | AA2FM80/A2FM90/62W Piston Motor | 
| PMB7.2R129 reducer / gearbox | PM51.2 reducer / gearbox | MA4V090 pump | AA2FM90/A2FM90/63W Piston Motor | 
| PMB7.1R130 reducer / gearbox | PM61.2 reducer / gearbox | PMP P110 pump | 90M75 motor | 
| PMB7.5R130 reducer / gearbox | PM71.2 reducer / gearbox | PMP P90 pump | 90M100 motor | 
| PMB7.8R140 reducer / gearbox | TMG51.2 reducer / gearbox | PMH P110 pump | MSF85 motor | 
| PMB8.0R140 reducer / gearbox | TMG61.2 reducer / gearbox | PMH P90 pump | PMP M110 motor | 
| PMB9YR140 reducer / gearbox | TMG71.2 reducer / gearbox | A4VTG090HW100/33MRNC4C92F0000AS-0 pump | PMH M90 motor | 
| PMB7.5R134 reducer / gearbox | P58 reducer / gearbox | A4VTG90HW/32R-NLD10F001S pump | PMH M110 motor | 
| PMB7.5R135 reducer / gearbox | P68 reducer / gearbox | A4VTG71 hydraulic piston pump | PMH M90 motor | 
| PMB7.5R136 reducer / gearbox | P70 reducer / gearbox | T90R100-35-20 hydraulic piston pump | A2FO23 PISTON pump | 
| PMB 6sp reducer / gearbox | P75S reducer / gearbox | T90L100 hydraulic piston pump | A2FO16 PISTON pump | 
| PMB 6.5sp reducer / gearbox | P75R reducer / gearbox | T90R75hydraulic piston pump | A2FO18 PISTON pump | 
| PMB 7.1sp reducer / gearbox | P80 reducer / gearbox | T90L75hydraulic piston pump | VB99-17 reducer / gearbox | 
| PMB 7.5sp reducer / gearbox | P90S reducer / gearbox | A11VO40DRG/10R-NPC12N00 PISTON pump | A2FO32/61L-VAB05 PISTON pump | 
| PMB 6cp reducer / gearbox | P90 reducer / gearbox | A11VLO190LRDU2/11R-NZD12K02P-S PISTON pump | HA4VTG090HW/33R | 
| PMB 6.5cp reducer / gearbox | TOP P58 reducer / gearbox | A11VLO190LRDU2 | |
| ZTS P68 reducer / gearbox | ZHP P75S reducer / gearbox | A4VG180HD1MT1/32R-NSF02F571-S PISTON pump | 875719000 | 
| ZTS P70 reducer / gearbox | DD33-MF reducer / gearbox | A7VO55LRDS/63L-NZB01-S PISTON pump | 8483457100 | 
| ZTS P75S reducer / gearbox | ZHP P68 reducer / gearbox | Concrete Mixer Truck Mixer Drum Cement Mixer | SAUER,Bonfiglioli,TOPUNIOU,KYB,REXROTH, , ,PMP | 
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Car | 
|---|---|
| Hardness: | Hardened Tooth Surface | 
| Installation: | 90 Degree | 
| Layout: | Coaxial | 
| Gear Shape: | Conical – Cylindrical Gear | 
| Step: | Double-Step | 
| Samples: | 
 
                                        US$ 700/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.

The Role of Lubrication and Cooling in Maintaining Planetary Gearbox Performance
Lubrication and cooling are essential factors in ensuring the optimal performance and longevity of planetary gearboxes. Here’s how they play a crucial role:
Lubrication: Proper lubrication is vital for reducing friction and wear between gear teeth and other moving components within the gearbox. It forms a protective layer that prevents metal-to-metal contact and minimizes heat generation. The lubricant also helps dissipate heat and contaminants, ensuring a smoother and quieter operation.
Using the right type of lubricant and maintaining the proper lubrication level are essential. Over time, lubricants may degrade due to factors like temperature, load, and operating conditions. Regular lubricant analysis and replacement help maintain optimal gearbox performance.
Cooling: Planetary gearboxes can generate significant heat during operation due to friction and power transmission. Excessive heat can lead to lubricant breakdown, reduced efficiency, and premature wear. Cooling mechanisms, such as cooling fans, fins, or external cooling systems, help dissipate heat and maintain a stable operating temperature.
Efficient cooling prevents overheating and ensures consistent lubricant properties, extending the life of the gearbox components. It’s particularly important in applications with high-speed or high-torque requirements.
Overall, proper lubrication and cooling practices are essential to prevent excessive wear, maintain efficient power transmission, and prolong the service life of planetary gearboxes. Regular maintenance and monitoring of lubrication quality and cooling effectiveness are key to ensuring the continued performance of these gearboxes.

Factors to Consider When Selecting a Planetary Gearbox
Choosing the right planetary gearbox for a specific application involves considering various factors to ensure optimal performance and compatibility. Here are the key factors to keep in mind:
- Load Requirements: Determine the torque and speed requirements of your application. Planetary gearboxes offer different torque and speed ratios, so selecting the appropriate gearbox with the right load capacity is crucial.
 - Ratio: Evaluate the gear reduction ratio needed to achieve the desired output speed and torque. Planetary gearboxes come in various gear ratios, allowing you to customize the output characteristics.
 - Efficiency: Consider the gearbox’s efficiency, as it affects energy consumption and heat generation. Higher efficiency gearboxes minimize power losses during transmission.
 - Size and Compactness: Planetary gearboxes are known for their compact size, but it’s essential to choose a size that fits within the available space while meeting performance requirements.
 - Mounting Configuration: Determine how the gearbox will be mounted in your application. Planetary gearboxes can have different mounting options, including flange, shaft, or foot mountings.
 - Input and Output Types: Select the appropriate input and output shaft configurations, such as male, female, keyed, splined, or hollow shafts, to ensure compatibility with your equipment.
 - Environment: Consider the operating environment, including temperature, humidity, dust, and potential exposure to chemicals. Choose a gearbox with appropriate seals and materials to withstand the conditions.
 - Accuracy: Some applications require precise motion control. If accuracy is essential, choose a gearbox with minimal backlash and high gear mesh quality.
 - Service Life and Reliability: Evaluate the gearbox’s expected service life and reliability based on the manufacturer’s specifications. Choose a reputable manufacturer known for producing reliable products.
 - Backlash: Backlash is the play between gears that can affect positioning accuracy. Depending on your application, you might need a gearbox with low backlash or a method to compensate for it.
 - Budget: Consider your budget constraints while balancing performance requirements. Sometimes, investing in a higher-quality gearbox upfront can lead to long-term cost savings through reduced maintenance and downtime.
 
By carefully considering these factors and consulting with gearbox manufacturers or experts, you can select a planetary gearbox that best meets the unique demands of your application.


editor by CX 2024-02-01
China manufacturer Planetary Gearbox Gear System Speed Reducer Motor Wheel Track Drive Reduction Gearhead Transmission Epicyclic Inline Interchange with Precision Gearbox gearbox definition
Product Description
Planetary Gearbox gear system speed reducer motor wheel track drive reduction gearhead transmission epicyclic inline interchange with precision gearbox
What is Planetary Gearbox?
A planetary gearbox is a type of gear train that uses a central gear, called the sun gear, and a ring gear, called the annulus gear. The sun gear is surrounded by a number of smaller gears, called planet gears, which are mounted on a carrier. The planet gears mesh with both the sun gear and the annulus gear.
The planetary gearbox can be used to transmit power from the sun gear to the annulus gear, or vice versa. The direction of rotation of the output shaft can be the same as the direction of rotation of the input shaft, or opposite. The speed of the output shaft can be greater than, less than, or equal to the speed of the input shaft.
The planetary gearbox is a compact and efficient way to transmit power. It is often used in applications where space is limited, such as in automobiles, robotics, and machine tools.
Here are some of the advantages of using planetary gearboxes:
- Compact size. Planetary gearboxes are very compact, which makes them ideal for applications where space is limited.
 - High efficiency. Planetary gearboxes are very efficient, which means that they can transmit power with minimal losses.
 - Versatility. Planetary gearboxes can be used in a wide variety of applications, which makes them a versatile and reliable choice for many applications.
 
Here are some of the disadvantages of using planetary gearboxes:
- Cost. Planetary gearboxes can be more expensive than other types of gear trains.
 - Noise. Planetary gearboxes can be noisy, especially at high speeds.
 - Maintenance. Planetary gearboxes require regular maintenance to ensure that they operate properly.
 
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| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car | 
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase | 
| Layout: | Three-Ring | 
| Hardness: | Hardened Tooth Surface | 
| Installation: | Torque Arm Type | 
| Step: | Stepless | 
| Samples: | 
 
                                        US$ 9999/Piece 
1 Piece(Min.Order)                                         |  | 
|---|

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.

Advantages of Backlash Reduction Mechanisms in Planetary Gearboxes
Backlash reduction mechanisms in planetary gearboxes offer several advantages that contribute to improved performance and precision:
Improved Positioning Accuracy: Backlash, or the play between gear teeth, can lead to positioning errors in applications where precise movement is crucial. Reduction mechanisms help minimize or eliminate this play, resulting in more accurate positioning.
Better Reversal Characteristics: Backlash can cause a delay in reversing the direction of motion. With reduction mechanisms, the reversal is smoother and more immediate, making them suitable for applications requiring quick changes in direction.
Enhanced Efficiency: Backlash can lead to energy losses and reduced efficiency due to the impacts between gear teeth. Reduction mechanisms minimize these impacts, improving overall power transmission efficiency.
Reduced Noise and Vibration: Backlash can contribute to noise and vibration in gearboxes, affecting both the equipment and the surrounding environment. By reducing backlash, the noise and vibration levels are significantly decreased.
Better Wear Protection: Backlash can accelerate wear on gear teeth, leading to premature gearbox failure. Reduction mechanisms help distribute the load more evenly across the teeth, extending the lifespan of the gearbox.
Enhanced System Stability: In applications where stability is crucial, such as robotics and automation, backlash reduction mechanisms contribute to smoother operation and reduced oscillations.
Compatibility with Precision Applications: Industries such as aerospace, medical equipment, and optics require high precision. Backlash reduction mechanisms make planetary gearboxes suitable for these applications by ensuring accurate and reliable motion.
Increased Control and Performance: In applications where control is critical, such as CNC machines and robotics, reduction mechanisms provide better control over the motion and enable finer adjustments.
Minimized Error Accumulation: In systems with multiple gear stages, backlash can accumulate, leading to larger positioning errors. Reduction mechanisms help minimize this error accumulation, maintaining accuracy throughout the system.
Overall, incorporating backlash reduction mechanisms in planetary gearboxes leads to improved accuracy, efficiency, reliability, and performance, making them essential components in precision-driven industries.

Contribution of Planetary Gearboxes to Efficient Industrial Automation and Robotics
Planetary gearboxes play a crucial role in enhancing the efficiency of industrial automation and robotics systems by offering several advantages:
1. Compact Design: Planetary gearboxes provide high power density and a compact form factor. This is essential in robotics and automation where space is limited and components need to be tightly integrated.
2. High Torque Density: Planetary gearboxes can achieve high torque output in a compact size, allowing robots and automated systems to handle heavy loads and perform demanding tasks efficiently.
3. Precision and Accuracy: The design of planetary gear systems ensures accurate and precise motion control. This is vital in robotics applications where precise positioning and smooth movement are required for tasks such as pick-and-place operations and assembly.
4. Redundancy: Some planetary gearboxes feature multiple stages and redundant configurations. This provides a level of built-in redundancy, enhancing the reliability of automation systems by allowing continued operation even if one stage fails.
5. Efficiency: Planetary gearboxes are designed for high efficiency, minimizing energy losses and ensuring that the power delivered to the output stage is effectively utilized. This efficiency is crucial for reducing energy consumption and optimizing battery life in robotic applications.
6. Speed Control: Planetary gearboxes allow for precise speed control, enabling robots to perform tasks at varying speeds as needed. This flexibility is essential for tasks that require different motion dynamics or speed profiles.
7. Reduction of Motor Loads: Planetary gearboxes can reduce the load on the motor by providing mechanical advantage through gear reduction. This allows smaller, more efficient motors to be used without sacrificing performance.
8. Shock Absorption: The inherent elasticity of gear teeth in planetary gearboxes can help absorb shocks and impacts, protecting the system components and ensuring smooth operation in dynamic environments.
9. Customization: Planetary gearboxes can be tailored to specific application requirements, including gear ratios, output configurations, and mounting options. This adaptability allows for optimal integration into various automation and robotics setups.
10. Maintenance and Durability: High-quality planetary gearboxes are designed for durability and low maintenance. This is especially important in industrial automation and robotics, where continuous operation and minimal downtime are essential.
Overall, planetary gearboxes contribute significantly to the efficient operation of industrial automation and robotics systems by providing the necessary torque, precision, compactness, and reliability required for these dynamic and demanding applications.


editor by CX 2024-01-30