Product Description
|
Model |
PAD064 |
|
Ratio |
70 |
|
Backlash |
P2 ( ≤8arcmin ) |
|
Rated Output Torque |
50 Nm |
|
Rated Input Speed |
5000 rpm |
|
Effciency |
≥97% |
|
Torsional Rigidity |
13 |
|
Lubrication |
Synthetic Grease |
|
Operating Temperature |
-15ºC~+90ºC |
|
Protection Temperature |
IP65 |
|
Mounting Position |
Any Direction |
|
Service Life |
22000 hours |
- Overview of PAD Planetary Gearbox
* PAD series features of high precision and low backlash
* 3F PAD series adopts integral ball bearings to realize high rigidity and high torque
* Due to the use of tapered needle roller bearing, it achieve the high load capacity.
* The PAD Speed reducer can be matched with any brands of motors.
* Free maintenance and long service life
Product Parameters
Detailed Photos
14 types of speed building ratio:=4-100
Minimum return interval: P0, P1P2
Maximum output torque: 23N. m-650N. m
Extremely high torsional rigidity and excellent performance
The highest load free policy is used in conditions with extremely high bearing capacity
Optimize power transmission and increase efficiency line by 98%
Very quiet during operation
Lifetime lubrication, no push protection
Fully sealed, IP65 protection level
Shortest structure and flexible installation
Small model: 64.90.110.140
Application
Product Description
Precision planetary gear reducer is another name for planetary gear reducer in the industry. Its main transmission structure is planetary gear, sun gear and inner gear ring.
Compared with other gear reducers, precision planetary gear reducers have the characteristics of high rigidity, high precision (single stage can achieve less than 1 point), high transmission efficiency (single stage can achieve 97% – 98%), high torque/volume ratio, lifelong maintenance-free, etc. Most of them are installed on stepper motor and servo motor to reduce speed, improve torque and match inertia.
Company Profile
Certifications
Packaging & Shipping
/* 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(/(.*?):(.*)$/))&&1
| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Gear Shape: | Planetary |
| Step: | Single-Step |
| Type: | Gear Reducer |
| Samples: |
US$ 100/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.

Differences Between Inline and Right-Angle Planetary Gearbox Configurations
Inline and right-angle planetary gearbox configurations are two common designs with distinct characteristics suited for various applications. Here’s a comparison of these configurations:
Inline Planetary Gearbox:
- Configuration: In an inline configuration, the input and output shafts are aligned along the same axis. The sun gear, planetary gears, and ring gear are typically arranged in a straight line.
- Compactness: Inline gearboxes are more compact and have a smaller footprint, making them suitable for applications with limited space.
- Efficiency: Inline configurations tend to have slightly higher efficiency due to the direct alignment of components.
- Output Speed and Torque: Inline gearboxes are better suited for applications that require higher output speeds and lower torque.
- Applications: They are commonly used in robotics, conveyors, printing machines, and other applications where space is a consideration.
Right-Angle Planetary Gearbox:
- Configuration: In a right-angle configuration, the input and output shafts are oriented at a 90-degree angle to each other. This allows for a change in direction of power transmission.
- Space Flexibility: Right-angle gearboxes offer flexibility in arranging components, making them suitable for applications that require changes in direction or where space constraints prevent a straight-line configuration.
- Torque Capacity: Right-angle configurations can handle higher torque loads due to the increased surface area of gear engagement.
- Applications: They are often used in cranes, elevators, conveyor systems, and applications requiring a change in direction.
- Efficiency: Right-angle configurations may have slightly lower efficiency due to increased gear meshing complexity and potential for additional losses.
Choosing between inline and right-angle configurations depends on factors such as available space, required torque and speed, and the need for changes in power transmission direction. Each configuration offers distinct advantages based on the specific needs of the application.

Common Applications and Industries of Planetary Gearboxes
Planetary gearboxes are widely utilized across various industries and applications due to their unique design and performance characteristics. Some common applications and industries where planetary gearboxes are commonly used include:
- Automotive Industry: Planetary gearboxes are found in automatic transmissions, hybrid vehicle systems, and powertrains. They provide efficient torque conversion and variable gear ratios.
- Robotics: Planetary gearboxes are used in robotic joints and manipulators, providing compact and high-torque solutions for precise movement.
- Industrial Machinery: They are employed in conveyors, cranes, pumps, mixers, and various heavy-duty machinery where high torque and compact design are essential.
- Aerospace: Aerospace applications include aircraft actuation systems, landing gear mechanisms, and satellite deployment mechanisms.
- Material Handling: Planetary gearboxes are used in equipment like forklifts and pallet jacks to provide controlled movement and high lifting capabilities.
- Renewable Energy: Wind turbines use planetary gearboxes to convert low-speed, high-torque rotational motion of the blades into higher-speed rotational motion for power generation.
- Medical Devices: Planetary gearboxes find applications in medical imaging equipment, prosthetics, and surgical robots for precise and controlled motion.
- Mining and Construction: Planetary gearboxes are used in heavy equipment like excavators, loaders, and bulldozers to handle heavy loads and provide controlled movement.
- Marine Industry: They are employed in marine propulsion systems, winches, and steering mechanisms, benefiting from their compact design and high torque capabilities.
The versatility of planetary gearboxes makes them suitable for applications that require compact size, high torque density, and efficient power transmission. Their ability to handle varying torque loads, offer high gear ratios, and maintain consistent performance has led to their widespread adoption across numerous industries.


editor by CX 2024-02-20
China best Low Price High Torque Zero Backlash Planetary Reduction Gearboxes with Good quality
Product Description
Low Price High Torque Zero Backlash Planetary Reduction Gearboxes
Nickel chromium molybdenum alloy steel gear is manufactured with carburizing heat treatment for high abrasion resistance and impact toughness and by honing process to increase gear precision and low noise operation.Internal gear bore uses needle roller to obtain higher abrasion resistance and strength.
Product Description
1. The spiral bevel gear reversing mechanism realizes right angle steering output
2. The installation distance of spiral bevel gear pair can be adjusted, and the working sound is lower
3. The grinding bevel gear pair can be selected, and the working sound is more stable and quiet
4. Integrated design, high precision and high rigidity
5. The double support cage planet carrier structure has high reliability and is suitable for high-speed and frequent CZPT and reverse rotation
6. Compared with the corresponding square fuselage series, it has the same performance and higher cost performance
7. Coupling meter, more connection options, keyway can be opened
8. Helical gear transmission, low return clearance and more accurate positioning
9.Size range:140-180 mm
10.Ratio range:3-100
11.Precision range:3-5arcmin (P1); 5-8arcmin (P2)
Product Parameters
| Specifications | PAR140 | PAR180 | |||
| Technal Parameters | |||||
| Max. Torque | Nm | 1.5times rated torque | |||
| Emergency Stop Torque | Nm | 2.5times rated torque | |||
| Max. Radial Load | N | 9400 | 14500 | ||
| Max. Axial Load | N | 4700 | 7250 | ||
| Torsional Rigidity | Nm/arcmin | 47 | 130 | ||
| Max.Input Speed | rpm | 6000 | 6000 | ||
| Rated Input Speed | rpm | 3000 | 3000 | ||
| Noise | dB | ≤68 | ≤68 | ||
| Average Life Time | h | 20000 | |||
| Efficiency Of Full Load | % | L1≥95% L2≥90% | |||
| Return Backlash | P1 | L1 | arcmin | ≤5 | ≤5 |
| L2 | arcmin | ≤7 | ≤7 | ||
| P2 | L1 | arcmin | ≤8 | ≤8 | |
| L2 | arcmin | ≤10 | ≤10 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 23.5 | 69.2 |
| 4 | Kg*cm2 | 21.5 | 68.6 | ||
| 5 | Kg*cm2 | 21.5 | 68.6 | ||
| 7 | Kg*cm2 | 21.5 | 68.6 | ||
| 8 | Kg*cm2 | 20.5 | / | ||
| 10 | Kg*cm2 | 20.1 | 66.2 | ||
| 14 | Kg*cm2 | / | 68.6 | ||
| 20 | Kg*cm2 | / | 68.6 | ||
| L2 | 25 | Kg*cm2 | 6.88 | 23.8 | |
| 30 | Kg*cm2 | 7.1 | 22.2 | ||
| 35 | Kg*cm2 | 6.88 | 22.2 | ||
| 40 | Kg*cm2 | 6.88 | 22.2 | ||
| 50 | Kg*cm2 | 6.88 | 22.2 | ||
| 70 | Kg*cm2 | 6.88 | 22.2 | ||
| 100 | Kg*cm2 | 6.34 | 21.6 | ||
| Technical Parameter | Level | Ratio | PAR140 | PAR180 | |
| Rated Torque | L1 | 3 | Nm | 360 | 880 |
| 4 | Nm | 480 | 1100 | ||
| 5 | Nm | 480 | 1100 | ||
| 7 | Nm | 480 | 1100 | ||
| 8 | Nm | 440 | / | ||
| 10 | Nm | 360 | 1100 | ||
| L2 | 14 | Nm | / | 1100 | |
| 20 | Nm | / | 1100 | ||
| 25 | Nm | 480 | 1100 | ||
| 30 | Nm | 360 | 880 | ||
| 35 | Nm | 480 | 1100 | ||
| 40 | Nm | 480 | 1100 | ||
| 50 | Nm | 480 | 1100 | ||
| 70 | Nm | 480 | 1100 | ||
| 100 | Nm | 360 | 1100 | ||
| Degree Of Protection | IP65 | ||||
| Operation Temprature | ºC | – 10ºC to -90ºC | |||
| Weight | L1 | kg | 20.8 | 41.9 | |
| L2 | kg | 26.5 | 54.8 | ||
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
/* 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(/(.*?):(.*)$/))&&1
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Textile Machinery |
|---|---|
| Function: | Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Single-Step |
| Samples: |
US$ 1215/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.

Signs of Wear or Damage in Planetary Gearboxes and Recommended Service
Planetary gearboxes, like any mechanical component, can exhibit signs of wear or damage over time. Recognizing these signs is crucial for timely maintenance to prevent further issues. Here are some common signs of wear or damage in planetary gearboxes:
1. Unusual Noise: Excessive noise, grinding, or whining sounds during operation can indicate worn or misaligned gear teeth. Unusual noise is often a clear indicator that something is wrong within the gearbox.
2. Increased Vibration: Excessive vibration or shaking during operation can result from misalignment, damaged bearings, or worn gears. Vibration can lead to further damage if not addressed promptly.
3. Gear Tooth Wear: Inspect gear teeth for signs of wear, pitting, or chipping. These issues can result from improper lubrication, overload, or other operational factors. Damaged gear teeth can affect the gearbox’s efficiency and performance.
4. Oil Leakage: Leakage of gearbox oil or lubricant can indicate a faulty seal or gasket. Oil leakage not only leads to reduced lubrication but can also cause environmental contamination and further damage to the gearbox components.
5. Temperature Increase: A significant rise in operating temperature can suggest increased friction due to wear or inadequate lubrication. Monitoring temperature changes can help identify potential issues early.
6. Reduced Efficiency: If you notice a decrease in performance, such as decreased torque output or inconsistent speed, it could indicate internal damage to the gearbox components.
7. Abnormal Gear Ratios: If the output speed or torque does not match the expected gear ratio, it could be due to gear wear, misalignment, or other issues affecting the gear engagement.
8. Frequent Maintenance Intervals: If you find that you need to service the gearbox more frequently than usual, it could be a sign that the gearbox is experiencing excessive wear or damage.
When to Service: If any of the above signs are observed, it’s important to address them promptly. Regular maintenance checks are also recommended to detect potential issues early and prevent more significant problems. Scheduled maintenance should include inspections, lubrication checks, and replacement of worn or damaged components.
It’s advisable to consult the gearbox manufacturer’s guidelines for recommended service intervals and practices. Regular maintenance can extend the lifespan of the planetary gearbox and ensure it continues to operate efficiently and reliably.

Advantages of Planetary Gearboxes Compared to Other Gearbox Configurations
Planetary gearboxes, also known as epicyclic gearboxes, offer several advantages compared to other gearbox configurations. These advantages make them well-suited for a wide range of applications. Here’s a closer look at why planetary gearboxes are favored:
- Compact Size: Planetary gearboxes are known for their compact and space-efficient design. The arrangement of multiple gears within a single housing allows for high gear reduction ratios without significantly increasing the size of the gearbox.
- High Torque Density: Due to their compact design, planetary gearboxes offer high torque density, meaning they can transmit a significant amount of torque relative to their size. This makes them ideal for applications where space is limited, but high torque is required.
- Efficiency: Planetary gearboxes can achieve high efficiency levels, especially when properly lubricated and well-designed. The arrangement of multiple meshing gears allows for load distribution, reducing individual gear tooth stresses and minimizing losses due to friction.
- Multiple Gear Stages: Planetary gearboxes can be designed with multiple stages, allowing for higher gear reduction ratios. This is particularly advantageous when precise control of output speed and torque is required.
- High Gear Ratios: Planetary gearboxes can achieve high gear reduction ratios in a single stage, eliminating the need for multiple external gears. This simplifies the overall design and reduces the number of components.
- Load Sharing: The multiple gear meshing arrangements in planetary gearboxes distribute loads evenly across multiple gears, reducing the stress on individual components and enhancing overall durability.
- High Precision: Planetary gearboxes offer high precision and accuracy in gear meshing, making them suitable for applications that demand precise motion control.
- Quiet Operation: The design of planetary gearboxes often leads to smoother and quieter operation compared to some other gearbox configurations, contributing to improved user experience.
Overall, the advantages of planetary gearboxes in terms of size, torque density, efficiency, versatility, and precision make them an attractive choice for a wide range of applications across industries, including robotics, automotive, aerospace, and industrial machinery.


editor by CX 2024-02-19
China Custom Reducer Drive DC Stepper Servo Motor 60mm 90mm 120mm Flange Mounting Gear Case Transmission Precision Planetary Gearbox cycloidal gearbox
Product Description
Product Description
Precision planetary gear reducer is another name for planetary gear reducer in the industry. Its main transmission structure is planetary gear, sun gear and inner gear ring.
Compared with other gear reducers, precision planetary gear reducers have the characteristics of high rigidity, high precision (single stage can achieve less than 1 point), high transmission efficiency (single stage can achieve 97% – 98%), high torque/volume ratio, lifelong maintenance-free, etc. Most of them are installed on stepper motor and servo motor to reduce speed, improve torque and match inertia.
Company Profile
/* 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(/(.*?):(.*)$/))&&1
| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Gear Shape: | Planetary |
| Step: | Single-Step |
| Type: | Gear Reducer |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|

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.

Advantages of Planetary Gearboxes Compared to Other Gearbox Configurations
Planetary gearboxes, also known as epicyclic gearboxes, offer several advantages compared to other gearbox configurations. These advantages make them well-suited for a wide range of applications. Here’s a closer look at why planetary gearboxes are favored:
- Compact Size: Planetary gearboxes are known for their compact and space-efficient design. The arrangement of multiple gears within a single housing allows for high gear reduction ratios without significantly increasing the size of the gearbox.
- High Torque Density: Due to their compact design, planetary gearboxes offer high torque density, meaning they can transmit a significant amount of torque relative to their size. This makes them ideal for applications where space is limited, but high torque is required.
- Efficiency: Planetary gearboxes can achieve high efficiency levels, especially when properly lubricated and well-designed. The arrangement of multiple meshing gears allows for load distribution, reducing individual gear tooth stresses and minimizing losses due to friction.
- Multiple Gear Stages: Planetary gearboxes can be designed with multiple stages, allowing for higher gear reduction ratios. This is particularly advantageous when precise control of output speed and torque is required.
- High Gear Ratios: Planetary gearboxes can achieve high gear reduction ratios in a single stage, eliminating the need for multiple external gears. This simplifies the overall design and reduces the number of components.
- Load Sharing: The multiple gear meshing arrangements in planetary gearboxes distribute loads evenly across multiple gears, reducing the stress on individual components and enhancing overall durability.
- High Precision: Planetary gearboxes offer high precision and accuracy in gear meshing, making them suitable for applications that demand precise motion control.
- Quiet Operation: The design of planetary gearboxes often leads to smoother and quieter operation compared to some other gearbox configurations, contributing to improved user experience.
Overall, the advantages of planetary gearboxes in terms of size, torque density, efficiency, versatility, and precision make them an attractive choice for a wide range of applications across industries, including robotics, automotive, aerospace, and industrial machinery.


editor by CX 2024-02-18
China Best Sales High Torque 120mm Low Backlash Motor Planetary Gear Box gearbox definition
Product Description
High Torque 120MM Low Backlash Motor Planetary Gear box
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.Hole output structure,easy installation.
2.Straight tooth drive ,single cantilever structure.simple design,economic price.
3.Working steady. Low noise.
4.Low return backlash. Can suit most occasion.
5.The input connection specifications are complete and there are many choices.
6.Keyway can be opened in the force shaft.
7.Square mount flange output,high precision,high torque.
8.Speed ratio range:3-100
9.Precision range:8-16arcmin
10.Size range:60-160mm
Product Parameters
| Specifications | PA60 | PA90 | PA120 | PA140 | PA180 | PA220 | |||
| Technal Parameters | |||||||||
| Max. Torque | Nm | 1.5times rated torque | |||||||
| Emergency Stop Torque | Nm | 2.5times rated torque | |||||||
| Max. Radial Load | N | 1530 | 3250 | 6700 | 9400 | 14500 | 16500 | ||
| Max. Axial Load | N | 630 | 1300 | 3000 | 4700 | 7250 | 8250 | ||
| Torsional Rigidity | Nm/arcmin | 6 | 12 | 23 | 47 | 130 | 205 | ||
| Max.Input Speed | rpm | 8000 | 6000 | 6000 | 6000 | 6000 | 3000 | ||
| Rated Input Speed | rpm | 4000 | 3000 | 3000 | 3000 | 3000 | 1500 | ||
| Noise | dB | ≤58 | ≤60 | ≤65 | ≤68 | ≤68 | ≤72 | ||
| Average Life Time | h | 20000 | |||||||
| Efficiency Of Full Load | % | L1≥95% L2≥90% | |||||||
| Return Backlash | P1 | L1 | arcmin | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 |
| L2 | arcmin | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ||
| P2 | L1 | arcmin | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
| L2 | arcmin | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.16 | 0.61 | 3.25 | 9.21 | 28.98 | 69.7 |
| 4 | Kg*cm2 | 0.14 | 0.48 | 2.74 | 7.54 | 23.67 | 54.61 | ||
| 5 | Kg*cm2 | 0.13 | 0.47 | 2.71 | 7.42 | 23.29 | 53.51 | ||
| 7 | Kg*cm2 | 0.13 | 0.45 | 2.62 | 7.14 | 22.48 | 50.92 | ||
| 8 | Kg*cm2 | 0.13 | 0.45 | 2.6 | 7.14 | / | / | ||
| 10 | Kg*cm2 | 0.13 | 0.4 | 2.57 | 7.03 | 22.51 | 50.18 | ||
| L2 | 12 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | 23.59 | |
| 15 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | 23.59 | ||
| 20 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 6.92 | 23.33 | ||
| 25 | Kg*cm2 | 0.13 | 0.45 | 0.4 | 2.63 | 6.92 | 22.68 | ||
| 28 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | 23.33 | ||
| 30 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 7.3 | 25.59 | ||
| 35 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.43 | 6.92 | 22.68 | ||
| 40 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | 23.33 | ||
| 50 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.92 | 22.68 | ||
| 70 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | 22.68 | ||
| 100 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | 22.68 | ||
| Technical Parameter | Level | Ratio | PA60 | PA90 | PA120 | PA140 | PA180 | PA220 | |
| Rated Torque | L1 | 3 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 |
| 4 | Nm | 45 | 130 | 230 | 480 | 880 | 1800 | ||
| 5 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 7 | Nm | 45 | 100 | 220 | 480 | 1100 | 1600 | ||
| 8 | Nm | 40 | 90 | 200 | 440 | / | / | ||
| 10 | Nm | 30 | 75 | 175 | 360 | 770 | 1200 | ||
| L2 | 12 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | |
| 15 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | ||
| 20 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 25 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 28 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 30 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | ||
| 35 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 40 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 50 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 70 | Nm | 45 | 100 | 220 | 480 | 1100 | 1600 | ||
| 100 | Nm | 30 | 75 | 175 | 360 | 770 | 1200 | ||
| Degree Of Protection | IP65 | ||||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | |||||||
| Weight | L1 | kg | 1.25 | 3.75 | 8.5 | 16 | 28.5 | 49.3 | |
| L2 | kg | 1.75 | 5.1 | 12 | 21.5 | 40 | 62.5 | ||
Company Profile
Packaging & Shipping
1. Lead time: 10-15 days as usual, 30 days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ EMS/ TNT/ FEDEX
/* 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(/(.*?):(.*)$/))&&1
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Laser Cutting Equipment |
|---|---|
| Function: | Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Single-Step |
| Samples: |
US$ 240/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 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.

Contribution of Planetary Gearboxes to Construction Machinery and Heavy Equipment
Planetary gearboxes play a crucial role in enhancing the proper functioning of construction machinery and heavy equipment. Here’s how they contribute:
High Torque Transmission: Construction machinery often requires high torque to handle heavy loads and perform tasks like digging, lifting, and material handling. Planetary gearboxes excel in transmitting high torque efficiently, allowing these machines to operate effectively even under demanding conditions.
Compact Design: Many construction and heavy equipment applications have limited space for gear mechanisms. Planetary gearboxes offer a compact design with a high power-to-weight ratio. This compactness allows manufacturers to integrate gearboxes into tight spaces without compromising performance.
Customizable Ratios: Different construction tasks require varying speeds and torque levels. Planetary gearboxes offer the advantage of customizable gear ratios, allowing equipment designers to tailor the gearbox to the specific needs of the application. This flexibility enhances the versatility of construction machinery.
Durability and Reliability: Construction sites are challenging environments with dust, debris, and extreme weather conditions. Planetary gearboxes are known for their durability and robustness, making them well-suited for heavy-duty applications. Their enclosed design protects internal components from contaminants and ensures reliable operation.
Efficient Power Distribution: Many construction machines are equipped with multiple functions that require power distribution among different components. Planetary gearboxes can be designed with multiple output shafts, enabling efficient distribution of power to various tasks while maintaining precise control.
Reduced Maintenance: The rugged construction and efficient power transmission of planetary gearboxes result in reduced wear and lower maintenance requirements. This is particularly beneficial in construction settings where downtime for maintenance can be costly.
Overall, planetary gearboxes contribute significantly to the proper functioning of construction machinery and heavy equipment by providing high torque, compactness, customization, durability, efficient power distribution, and reduced maintenance needs. Their capabilities enhance the performance and reliability of these machines in the demanding construction industry.

Advantages of Planetary Gearboxes Compared to Other Gearbox Configurations
Planetary gearboxes, also known as epicyclic gearboxes, offer several advantages compared to other gearbox configurations. These advantages make them well-suited for a wide range of applications. Here’s a closer look at why planetary gearboxes are favored:
- Compact Size: Planetary gearboxes are known for their compact and space-efficient design. The arrangement of multiple gears within a single housing allows for high gear reduction ratios without significantly increasing the size of the gearbox.
- High Torque Density: Due to their compact design, planetary gearboxes offer high torque density, meaning they can transmit a significant amount of torque relative to their size. This makes them ideal for applications where space is limited, but high torque is required.
- Efficiency: Planetary gearboxes can achieve high efficiency levels, especially when properly lubricated and well-designed. The arrangement of multiple meshing gears allows for load distribution, reducing individual gear tooth stresses and minimizing losses due to friction.
- Multiple Gear Stages: Planetary gearboxes can be designed with multiple stages, allowing for higher gear reduction ratios. This is particularly advantageous when precise control of output speed and torque is required.
- High Gear Ratios: Planetary gearboxes can achieve high gear reduction ratios in a single stage, eliminating the need for multiple external gears. This simplifies the overall design and reduces the number of components.
- Load Sharing: The multiple gear meshing arrangements in planetary gearboxes distribute loads evenly across multiple gears, reducing the stress on individual components and enhancing overall durability.
- High Precision: Planetary gearboxes offer high precision and accuracy in gear meshing, making them suitable for applications that demand precise motion control.
- Quiet Operation: The design of planetary gearboxes often leads to smoother and quieter operation compared to some other gearbox configurations, contributing to improved user experience.
Overall, the advantages of planetary gearboxes in terms of size, torque density, efficiency, versatility, and precision make them an attractive choice for a wide range of applications across industries, including robotics, automotive, aerospace, and industrial machinery.


editor by CX 2024-02-17
China Custom CZPT Transmission Ept-285 High Power Low Backlash Planetary Electrical Geared Reducer Precision Planetary Gearbox gearbox assembly
Product Description
Precision planetary gear reducer is a new-generation of product developed by our company, with a compromise of advanced technology both at home and abroad, its main features are as follows:
1. Low noise: under 65db.
2. Low backlash: within 3 arcmin.
3. High efficiency: 97% for 1 stage, 94% for 2 stages.
4. High input speed: Rated input speed 3000rpm, max input speed 6000 rpm.
5. High output torque: higher torque output than that of conventional planetary gear reducer.
6. High stability hardening,which extends gear service life and maintain high accuracy as new after a long period of operation.
Precicion planetary gear reducer is widely used in the following fields:
1. Aerospace, military industries.
2. Medical health, electronic information industries.
3. Industrial robots, productin automation, CNC machine tool manufacturing industries.
4. Motor,textile,printing,food,metallurgical,envrironment protection engineering, warehouse logistics industries.
About Xingda since 1984
HangZhou Melchizedek Import & Export Co., Ltd. is a leader manufactur in mechanism field and punching/stamp
ing field since 1984. Our main product, NMRV worm gear speed reducer and series helical gearbox, XDR,
XDF, XDK, XDShave reached the advanced technique index of the congeneric European and Janpanese produc
ts, We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can accept orders
of non-standard products, such as gears, shafts, punching parts ect, according to customers’ Drawings or sam-
ples.
Our company has complete set of equipment including CNC, lathes, milling machines, gear hobbing machine, g-
ear grinding machine, gear honing machine, gear shaping machine, worm grinder, grinding machines, drilling m-
achines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing machines and s-
o on. We have advanced testing equipments also.
Our company has established favorable cooperation relationships with sub-suppliers involving casting, raw mat-
erial, heat treatment, surface finishing and so on.
/* 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(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Type: | Planetary Gear Reducer |
| Frame Size: | 285 |
| Ratio: | 4-100 |
| Samples: |
US$ 230/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 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.

Contribution of Planetary Gearboxes to Construction Machinery and Heavy Equipment
Planetary gearboxes play a crucial role in enhancing the proper functioning of construction machinery and heavy equipment. Here’s how they contribute:
High Torque Transmission: Construction machinery often requires high torque to handle heavy loads and perform tasks like digging, lifting, and material handling. Planetary gearboxes excel in transmitting high torque efficiently, allowing these machines to operate effectively even under demanding conditions.
Compact Design: Many construction and heavy equipment applications have limited space for gear mechanisms. Planetary gearboxes offer a compact design with a high power-to-weight ratio. This compactness allows manufacturers to integrate gearboxes into tight spaces without compromising performance.
Customizable Ratios: Different construction tasks require varying speeds and torque levels. Planetary gearboxes offer the advantage of customizable gear ratios, allowing equipment designers to tailor the gearbox to the specific needs of the application. This flexibility enhances the versatility of construction machinery.
Durability and Reliability: Construction sites are challenging environments with dust, debris, and extreme weather conditions. Planetary gearboxes are known for their durability and robustness, making them well-suited for heavy-duty applications. Their enclosed design protects internal components from contaminants and ensures reliable operation.
Efficient Power Distribution: Many construction machines are equipped with multiple functions that require power distribution among different components. Planetary gearboxes can be designed with multiple output shafts, enabling efficient distribution of power to various tasks while maintaining precise control.
Reduced Maintenance: The rugged construction and efficient power transmission of planetary gearboxes result in reduced wear and lower maintenance requirements. This is particularly beneficial in construction settings where downtime for maintenance can be costly.
Overall, planetary gearboxes contribute significantly to the proper functioning of construction machinery and heavy equipment by providing high torque, compactness, customization, durability, efficient power distribution, and reduced maintenance needs. Their capabilities enhance the performance and reliability of these machines in the demanding construction industry.

Challenges and Solutions for Managing Power Transmission Efficiency in Planetary Gearboxes
Managing power transmission efficiency in planetary gearboxes is crucial to ensure optimal performance and minimize energy losses. Several challenges and solutions are involved in maintaining high efficiency:
1. Gear Meshing Efficiency: The interaction between gears can lead to energy losses due to friction and meshing misalignment. To address this, manufacturers use precision manufacturing techniques to ensure accurate gear meshing and reduce friction. High-quality materials and surface treatments are also employed to minimize wear and friction.
2. Lubrication: Proper lubrication is essential to reduce friction and wear between gear surfaces. Using high-quality lubricants with the appropriate viscosity and additives can enhance power transmission efficiency. Regular maintenance and monitoring of lubrication levels are vital to prevent efficiency losses.
3. Bearing Efficiency: Bearings support the rotating elements of the gearbox and can contribute to energy losses if not properly designed or maintained. Choosing high-quality bearings and ensuring proper alignment and lubrication can mitigate efficiency losses in this area.
4. Bearing Preload: Incorrect bearing preload can lead to increased friction and efficiency losses. Precision assembly and proper adjustment of bearing preload are necessary to optimize power transmission efficiency.
5. Mechanical Losses: Various mechanical losses, such as windage and churning losses, can occur in planetary gearboxes. Designing gearboxes with streamlined shapes and efficient ventilation systems can reduce these losses and enhance overall efficiency.
6. Material Selection: Choosing appropriate materials with high strength and minimal wear characteristics is essential for reducing power losses due to material deformation and wear. Advanced materials and surface coatings can be employed to enhance efficiency.
7. Noise and Vibration: Excessive noise and vibration can indicate energy losses in the form of mechanical inefficiencies. Proper design and precise manufacturing techniques can help minimize noise and vibration, indicating better power transmission efficiency.
8. Efficiency Monitoring: Regular efficiency monitoring through testing and analysis allows engineers to identify potential issues and optimize gearbox performance. This proactive approach ensures that any efficiency losses are promptly addressed.
By addressing these challenges through careful design, material selection, manufacturing techniques, lubrication, and maintenance, engineers can manage power transmission efficiency in planetary gearboxes and achieve high-performance power transmission systems.


editor by CX 2024-02-16
China factory Inline Planetary Gearbox for Machinery Equipment Equivalent to Bonfiglioli, CZPT supplier
Product Description
Inline Planetary Gearbox for Machinery Equipment Equivalent to Bonfiglioli, Brevini
Technical data:
1. Ratio range: 3.15-9N. M
4. Output speed: 0.425-445 r/min
5. Structure mode: Possibility of the flange, foot, or shaft mounting solutions
Characteristic of Foot Mounted High Torque Planetary Gearbox :
1. The wide and comprehensive range of N series for industrial applications
2. Low-speed shaft design: Cylindrical with key, splined, hollow with shrink disc or splined hollow shaft
3. Rigid and precise nodular cast iron casing
4. Low noise running, high manufacturing quality standard
5. High and reliable performance, load capacity and low-speed shaft bearing
| Ratio | 3.15:1 to 9000:1 |
| Reduction Stages | up to 6 reduction stages in 1 gearbox |
| Nominal Output Torque | up to 800,000N.m |
Packaging & Shipping
Package :
SGR gearbox use standard wood case per gear motor | gear unit.
hipping :
According to Customer requirement, we delivery products by different transport, Sea shipping, Air Transportation / Express or Truck transportation etc.
You Appoint, We Service!
Our Services
With all our activities DNV-ISO 9001, SGS -certified, we stand for top-quality service. Entrusting your gearboxes to the care of our Services.
Help protect your gearbox from wear and grinding, SGR gearbox converts torque reliably and efficiently.
We customize our CZPT planetary gear units, double enveloping worm gearbox, helical gear motor, modular design helical gear unit, worm gearbox, cycloidal gearbox etc to fit your application and meet your needs.
These features enable a reliable and safe service life of over 200 000 operational hours.
Our customers have been placing their trust in CZPT gear units since 1997. More than 500 000 gear units of our gearbox are in use reliably around the world, in many cases under very harsh conditions.
/* 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(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Machinery, Marine, Agricultural Machinery |
|---|---|
| Function: | Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Four-Step |
| Samples: |
US$ 2000/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 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.

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.

Role of Sun, Planet, and Ring Gears in Planetary Gearboxes
The arrangement of sun, planet, and ring gears is a fundamental aspect of planetary gearboxes and significantly contributes to their performance. Each gear type plays a specific role in the gearbox’s operation:
- Sun Gear: The sun gear is located at the center and is driven by the input power source. It transmits torque to the planet gears, causing them to orbit around it. The sun gear’s size and rotation speed affect the overall gear ratio of the system.
- Planet Gears: Planet gears are smaller gears that surround the sun gear. They are held in place by the planet carrier and mesh with both the sun gear and the internal teeth of the ring gear. As the sun gear rotates, the planet gears revolve around it, engaging with both the sun and ring gears simultaneously. This arrangement multiplies torque and changes the direction of rotation.
- Ring Gear (Annulus Gear): The ring gear is the outermost gear with internal teeth that mesh with the planet gears’ external teeth. It remains stationary or acts as the output shaft. The interaction between the planet gears and the ring gear causes the planet gears to rotate on their own axes as they orbit the sun gear.
The arrangement of these gears allows for various gear reduction ratios and torque multiplication effects, making planetary gearboxes versatile and efficient for a wide range of applications. The combination of multiple gear engagements and interactions distributes the load across multiple gear teeth, resulting in higher torque capacity, smoother operation, and lower stress on individual gear teeth.
Planetary gearboxes offer advantages such as compact size, high torque density, and the ability to achieve multiple gear reduction stages within a single unit. The arrangement of the sun, planet, and ring gears is essential for achieving these benefits while maintaining efficiency and reliability in various mechanical systems.


editor by CX 2024-02-15
China wholesaler 36mm, 38mm, 42mm Planetary Gearbox supplier
Product Description
Gearbox Photos:
Gearbox Sepcifications:
| Outline diameter | 42mm | Bearing | Sleeve bearing | Rolling bearing | ||||
| Material | Metal | Axial endplay | ≤0.1mm | ≤0.1mm | ||||
| Direction of ratation | cc/ccw | Radial loading | ≤120N | ≤180N | ||||
| gear backlash | ≤3° | Operating temperature | -20~85ºC | |||||
| Gearbox Stages | 1 | 2 | 3 | 4 | ||||
| Reduction Ratio | 3.7/4.3/5.2 | 14/16/18/19/22/27 | 51/59/68/71/79/82/95/ 100/115/139 |
189/218/252/264/292/305/ 337/353/369/408/426/ 493/516/596/721 |
||||
| Max Rated Torque(gf.cm) | 10000 | 10000 | 10000 | 10000 | ||||
| Instant torque(gf.cm) | 20000 | 20000 | 20000 | 200000 | ||||
| Gearbox efficiency(%) | 91 | 85 | 80 | 75 | ||||
| Gearbox Length(mm) | 36.5 | 45 | 55.5 | 65 | ||||
| Output Shaft | Can be custom | |||||||
Gearbox Drawing:
Gear motor suggestion:
| Motors( option) | DC brushed, DC brushless, Steper | input speed | <15000 RPM | |||||
| Voltage(option) | 3-24Vdc | Current | <1000 mA | |||||
Applicatios:
1.Household application .
2.Office automation equipments
3.Automotive products
4.Medical equipments
5.Industrials
6.Electric power tools
7.communication equipment
8.Electric power tools
9.Consumer electronics
10.Automotive products
Our Service:
1.Support OEM or ODM gearbox
2.Rated product developement
3. Support gearbox parts development.
4. Support after-sales sevice.
FAQ:
1. Do you provide samples?
Re: yes, we will provide samples for all client to test before mass production.
2.Do you have stock usually?
Re: Stock available,but please contact us to finally confirm
3.What is your MOQ for mass production?
Re: Our mass production MOQ is 1000pcs
4. How to ship goods?
Re: We ship products by air or by sea, support client’s collect account (DHL,Fedex,UPS,TNT)
5.Do you have technical support?
Re: Yes , we work with client to develop project from concern to mass production
/* 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(/(.*?):(.*)$/))&&1
| Application: | Motor |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Three-Ring |
| Hardness: | Hardened Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Three-Step |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Contribution of Planetary Gearboxes to Conveyor Belt Efficiency in Mining Operations
Planetary gearboxes play a crucial role in enhancing the efficiency and performance of conveyor belts in mining operations:
- High Torque Transmission: Planetary gearboxes are capable of transmitting high torque with minimal backlash. This feature ensures that the gearbox efficiently handles the substantial load requirements of conveyor belts used in mining, preventing slippage and ensuring reliable material transportation.
- Compact Design: The compact size of planetary gearboxes allows them to be integrated seamlessly into conveyor systems, optimizing space utilization and allowing for efficient equipment layout in mining environments.
- Variable Speed Control: Planetary gearboxes provide precise speed control and can accommodate various speed requirements of conveyor belts. This versatility allows operators to adjust the conveyor speed to match specific material handling needs.
- High Efficiency: The inherent design of planetary gearboxes minimizes energy losses due to efficient power transmission. This efficiency translates into reduced energy consumption and operational costs over the lifetime of the conveyor system.
- Reliability and Durability: Planetary gearboxes are engineered to withstand demanding conditions often encountered in mining environments, including shock loads, abrasive materials, and harsh weather. Their robust construction ensures reliable operation and minimal downtime.
- Low Maintenance: The durability of planetary gearboxes leads to reduced maintenance requirements. This benefit is particularly valuable in mining operations where minimizing downtime is essential for maintaining high productivity levels.
- Customizability: Planetary gearboxes can be tailored to suit specific conveyor system requirements, including gear ratios, torque ratings, and mounting options. This flexibility allows for optimized system design and performance.
By effectively transmitting power, providing accurate speed control, and offering a compact and robust design, planetary gearboxes significantly enhance the efficiency and reliability of conveyor belts in mining operations. Their ability to handle high loads, operate with low maintenance needs, and withstand harsh conditions contributes to improved productivity and reduced operational costs.

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.

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 2024-02-14
China Custom High Precision Planetary Gearbox with Corrosion-Resistant Coating cvt gearbox
Product Description
Product Description
Product Parameters
| Parameters | Unit | Level | Reduction Ratio | Flange Size Specification | |||||
| 060 | 090 | 115 | 142 | 180 | 220 | ||||
| Rated output torque T2n | N.m | 1 | 3 | 55 | 130 | 208 | 342 | 750 | 1140 |
| 4 | 50 | 140 | 290 | 542 | 1050 | 1700 | |||
| 5 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 6 | 55 | 140 | 300 | 550 | 1100 | 1800 | |||
| 7 | 50 | 140 | 300 | 550 | 1100 | 1800 | |||
| 8 | 45 | 120 | 260 | 500 | 1000 | 1600 | |||
| 10 | 40 | 100 | 230 | 450 | 900 | 1500 | |||
| 2 | 12 | 55 | 130 | 208 | 342 | 1050 | 1700 | ||
| 15 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 20 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 25 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 28 | 50 | 140 | 300 | 550 | 1100 | 1800 | |||
| 30 | 55 | 130 | 230 | 450 | 900 | 1500 | |||
| 35 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 40 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 50 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 70 | 50 | 140 | 300 | 550 | 1100 | 1800 | |||
| 100 | 40 | 100 | 230 | 450 | 900 | 1500 | |||
| 3 | 120 | 55 | 140 | 290 | 542 | 1050 | 1700 | ||
| 150 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 200 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 250 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 280 | 50 | 140 | 300 | 550 | 1100 | 1800 | |||
| 350 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 400 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 500 | 60 | 160 | 330 | 650 | 1200 | 2000 | |||
| 700 | 50 | 140 | 300 | 550 | 1100 | 1800 | |||
| 1000 | 40 | 100 | 230 | 450 | 900 | 1500 | |||
| 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 | 4000 | 3000 | 3000 | 3000 | 3000 | 2000 |
| Maximum input speed N1b | rpm | 1,2,3 | 3~1000 | 8000 | 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 | 3.9 | 8.7 | 16 | 31 | 48 |
| 2 | 12~100 | 1.8 | 4.6 | 10 | 20 | 39 | 62 | ||
| 3 | 120~1000 | 2.3 | 5.3 | 10.5 | 21 | 41 | 66 | ||
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 |
|---|

Considerations for Selecting Planetary Gearboxes for Aerospace and Satellite Applications
Selecting planetary gearboxes for aerospace and satellite applications requires careful consideration due to the unique demands of these industries:
- Weight and Size: Aerospace and satellite systems demand lightweight and compact components. Planetary gearboxes with high power density and lightweight materials are preferred to minimize the overall weight and size of the equipment.
- Reliability: Aerospace missions involve critical operations where component failure is not an option. Planetary gearboxes with a proven track record of reliability and durability are essential to ensure mission success.
- High Efficiency: Efficiency is crucial in aerospace applications to optimize power usage and extend the operational life of satellites. Planetary gearboxes with high efficiency ratings contribute to energy conservation.
- Extreme Environments: Aerospace and satellite systems are exposed to harsh conditions such as vacuum, extreme temperatures, and radiation. Planetary gearboxes need to be designed and tested to withstand these conditions without compromising performance.
- Precision and Accuracy: Many aerospace operations require precise positioning and accurate control. Planetary gearboxes with minimal backlash and high precision gear meshing contribute to accurate movements.
- Lubrication: Lubrication plays a vital role in aerospace gearboxes to ensure smooth operation and prevent wear. Gearboxes with efficient lubrication systems or self-lubricating materials are favored.
- Redundancy and Fail-Safe: Some aerospace systems incorporate redundancy to ensure mission success even in case of component failure. Planetary gearboxes with built-in redundancy or fail-safe mechanisms enhance system reliability.
- Integration: Planetary gearboxes need to be seamlessly integrated into the overall design of aerospace and satellite systems. Customization options and compatibility with other components are important factors.
Overall, selecting planetary gearboxes for aerospace and satellite applications involves a comprehensive evaluation of factors related to weight, reliability, efficiency, durability, environmental resistance, precision, and integration to meet the unique demands of these 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.

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 2024-02-13
China OEM Fubao 220mm 11kw Flange Output High Speed Precision Reduction Planetary Gearbox Wab220-L1 components of gearbox
Product Description
Product Description
200mm flange output High speed precision reduction gearhead for plasma cutting machine is a new generation of practical products independently developed by our company:
Low noise: less than 65db.
Low back clearance: up to 3 arc minutes in a CZPT and 5 arc minutes in a double stage.
High torque: higher than the standard planetary reducer torque.
High stability: high strength alloy steel, the whole gear after hardening treatment, not only the surface hard substitution.
High deceleration ratio: Modular design, planetary gearbox can be interlinked.
200mm flange output High speed precision reduction gearhead characteristic:
1.Planetary reducer manufacturer-Fubao Electromechanical Technology adopts an integrated planetary carrier and output shaft, which can provide better torsional rigidity. After precision machining, the gear set is not easy to eccentric, which can reduce interference, reduce wear and noise, and at the same time use a large The bearings are arranged with a wide span to distribute the load of the bearings, and once again strengthen the torque rigidity and radial load capacity of the gearbox. The output cover is made of aluminum alloy, which provides better heat dissipation capability for the product, so that the reducer produced by Fubao Electromechanical Technology can play an excellent role in the field of mechanical tools.
2.The planetary gear set is specially made of alloy steel. First, it undergoes quenching and tempering heat treatment to make the material hardness reach HRC30 degrees, and then undergoes nitriding surface treatment to HV860, so that the product has the characteristics of high surface hardness and high toughness in the center, and achieves the best product strength and service life. optimization.
3.The input shaft and the motor output shaft are connected by a bolted structure, with a round shaft seal design, and through dynamic balance analysis, it can ensure that there is no eccentric load at high speeds. After reducing unnecessary radial force, it can effectively Reduce the load on the motor side.
4.The material of the input cover/motor connection seat is made of aluminum alloy, which can provide better heat dissipation effect, and then provide good concentricity and verticality through professional lathe processing, so that the product can be stably combined with various motors, reducing the damage caused by insufficient precision. Unnecessary axial radial force makes the product have a longer life cycle.
| WAB series parameters | Model number | WAB042 | WAB60 | WAB090 | WAB115 | WAB140 | WAB180 | WAB220 |
| Rated output torque | 14-22 | 23-60 | 48-160 | 140-330 | 342-650 | 520-1200 | 1140-2000 | |
| Reduction ratio | L1: 3, 4, 5, 6, 7, 8, 9, 10 L2: 15, 20, 25, 30, 35, 40, 50, 70, 80, 100 | |||||||
| Planetary gear backlash | L1: P0≤1 P1≤3 P2≤5 L2: P0≤3 P1≤5 P2≤7 | |||||||
Detailed Photos
Product Details
Other products
Product Advantage
Compared with other reduction machines, planetary gear reduction machines have high rigidity, high precision (single stage can be achieved within 1 point), high transmission efficiency (single stage in 97-98%), high torque/volume ratio, lifetime maintenance free and other characteristics.
Because of these characteristics, planetary gear reducer is mostly installed on the stepper motor and servo motor, used to reduce speed, increase torque, matching inertia.
Company Profile
Factory Display
Q: Speed reducer grease replacement time
A: When sealing appropriate amount of grease and running reducer, the standard replacement time is 20000 hours according to the aging condition of the grease. In addition, when the grease is stained or used in the surrounding temperature condition (above 40ºC), please check the aging and fouling of the grease, and specify the replacement time.
Q: Delivery time
A: Fubao has 2000+ production base, daily output of 1000+ units, standard models within 7 days of delivery.
Q: Reducer selection
A: Fubao provides professional product selection guidance, with higher product matching degree, higher cost performance and higher utilization rate.
Q: Application range of reducer
A: Fubao has a professional research and development team, complete category design, can match any stepping motor, servo motor, more accurate matching.
/* 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(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Agricultural Machinery, Mechanical Equipment |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|

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.

Differences Between Inline and Right-Angle Planetary Gearbox Configurations
Inline and right-angle planetary gearbox configurations are two common designs with distinct characteristics suited for various applications. Here’s a comparison of these configurations:
Inline Planetary Gearbox:
- Configuration: In an inline configuration, the input and output shafts are aligned along the same axis. The sun gear, planetary gears, and ring gear are typically arranged in a straight line.
- Compactness: Inline gearboxes are more compact and have a smaller footprint, making them suitable for applications with limited space.
- Efficiency: Inline configurations tend to have slightly higher efficiency due to the direct alignment of components.
- Output Speed and Torque: Inline gearboxes are better suited for applications that require higher output speeds and lower torque.
- Applications: They are commonly used in robotics, conveyors, printing machines, and other applications where space is a consideration.
Right-Angle Planetary Gearbox:
- Configuration: In a right-angle configuration, the input and output shafts are oriented at a 90-degree angle to each other. This allows for a change in direction of power transmission.
- Space Flexibility: Right-angle gearboxes offer flexibility in arranging components, making them suitable for applications that require changes in direction or where space constraints prevent a straight-line configuration.
- Torque Capacity: Right-angle configurations can handle higher torque loads due to the increased surface area of gear engagement.
- Applications: They are often used in cranes, elevators, conveyor systems, and applications requiring a change in direction.
- Efficiency: Right-angle configurations may have slightly lower efficiency due to increased gear meshing complexity and potential for additional losses.
Choosing between inline and right-angle configurations depends on factors such as available space, required torque and speed, and the need for changes in power transmission direction. Each configuration offers distinct advantages based on the specific needs of the application.

Challenges and Solutions for Managing Power Transmission Efficiency in Planetary Gearboxes
Managing power transmission efficiency in planetary gearboxes is crucial to ensure optimal performance and minimize energy losses. Several challenges and solutions are involved in maintaining high efficiency:
1. Gear Meshing Efficiency: The interaction between gears can lead to energy losses due to friction and meshing misalignment. To address this, manufacturers use precision manufacturing techniques to ensure accurate gear meshing and reduce friction. High-quality materials and surface treatments are also employed to minimize wear and friction.
2. Lubrication: Proper lubrication is essential to reduce friction and wear between gear surfaces. Using high-quality lubricants with the appropriate viscosity and additives can enhance power transmission efficiency. Regular maintenance and monitoring of lubrication levels are vital to prevent efficiency losses.
3. Bearing Efficiency: Bearings support the rotating elements of the gearbox and can contribute to energy losses if not properly designed or maintained. Choosing high-quality bearings and ensuring proper alignment and lubrication can mitigate efficiency losses in this area.
4. Bearing Preload: Incorrect bearing preload can lead to increased friction and efficiency losses. Precision assembly and proper adjustment of bearing preload are necessary to optimize power transmission efficiency.
5. Mechanical Losses: Various mechanical losses, such as windage and churning losses, can occur in planetary gearboxes. Designing gearboxes with streamlined shapes and efficient ventilation systems can reduce these losses and enhance overall efficiency.
6. Material Selection: Choosing appropriate materials with high strength and minimal wear characteristics is essential for reducing power losses due to material deformation and wear. Advanced materials and surface coatings can be employed to enhance efficiency.
7. Noise and Vibration: Excessive noise and vibration can indicate energy losses in the form of mechanical inefficiencies. Proper design and precise manufacturing techniques can help minimize noise and vibration, indicating better power transmission efficiency.
8. Efficiency Monitoring: Regular efficiency monitoring through testing and analysis allows engineers to identify potential issues and optimize gearbox performance. This proactive approach ensures that any efficiency losses are promptly addressed.
By addressing these challenges through careful design, material selection, manufacturing techniques, lubrication, and maintenance, engineers can manage power transmission efficiency in planetary gearboxes and achieve high-performance power transmission systems.


editor by CX 2024-02-12
China Professional 90mm General Size Helical Gear NBR Series Right Angle Planetary Gearbox with Best Sales
Product Description
Product Description
The NBR090 series planetary gearboxes are designed and machined as a single unit with special tapered roller bearings to provide high radial load, high torque, ultra-precision, and small size. The NBR090 series uses in highly rigid industries such as fiber optic laser equipment, floor track equipment, robot seventh axis, Parallel robots (spider hand) machine tools, and rotating arms.
Product Name: High Precision Planetary Reducer
Product Series: NBR090 Series
Product features: high torque, high load, ultra-precision, small size
Product Description:
Integrated design concept with high-strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
1 arc minute ≤ backlash ≤ 3 arc minutes
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimizes power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years
Our Advantages
High torque
High load
ultra-precision
Small size
Detailed Photos
Product Parameters
| Segment number | Single segment | ||||||||||
| Ratio | i | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 14 | 20 |
| Rated output torque | Nm | 85 | 110 | 140 | 140 | 130 | 110 | 95 | 95 | 130 | 95 |
| Emergency stop torque | Nm | Three times of Maximum Output Torque | |||||||||
| Rated input speed | Rpm | 4000 | |||||||||
| Max input speed | Rpm | 8000 | |||||||||
| Ultraprecise backlash | arcmin | ≤2 | |||||||||
| Precision backlash | arcmin | ≤4 | |||||||||
| Standard backlash | arcmin | ≤6 | |||||||||
| Torsional rigidity | Nm/arcmin | 14 | |||||||||
| Max.bending moment | Nm | 3250 | |||||||||
| Max.axial force | N | 1625 | |||||||||
| Service life | hr | 20000(10000 under continuous operation) | |||||||||
| Efficiency | % | ≥95% | |||||||||
| Weight | kg | 6.4 | |||||||||
| Operating Temperature | ºC | -10ºC~+90ºC | |||||||||
| Lubrication | Synthetic grease | ||||||||||
| Protection class | IP64 | ||||||||||
| Mounting Position | All directions | ||||||||||
| Noise level(N1=3000rpm,non-loaded) | dB(A) | ≤65 | |||||||||
| Rotary inertia | Kg·cm² | 2.25 | 1.87 | ||||||||
Applicable Industries
Packaging Machinery Mechanical Hand Textile Machinery
Non Standard automation Machine Tool Printing Equipment
Certifications
Company Profile
DESBOER (HangZhou) Transmission Technology Co., Ltd. is a subsidiary of DESBOER (China), which is committed to the design, development, customized production and sales of high precision planetary reducer as 1 of the technology company. Our company has over 10 years of design, production and sales experience, the main products are the high precision planetary reducer, gear, rack, etc., with high quality, short delivery period, high cost performance and other advantages to better serve the demand of global customers. It is worth noting that we remove the intermediate link sale from the factory directly to customers, so that you can get the most ideal price and also get our best quality service simultaneously.
About Research
In order to strengthen the advantages of products in the international market, the head company in Kyoto, Japan to established KABUSHIKIKAISYA KYOEKI, mainly engaged in the development of DESBOER high precision planetary reducer, high precision of transmission components such as the development work, to provide the most advanced design technology and the most high-quality products for the international market.
/* 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, Marine, Agricultural Machinery, CNC Machine |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Plantery Type |
| Hardness: | Hardened Tooth Surface |
| Installation: | All Directions |
| Step: | Single-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 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.

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.

Role of Sun, Planet, and Ring Gears in Planetary Gearboxes
The arrangement of sun, planet, and ring gears is a fundamental aspect of planetary gearboxes and significantly contributes to their performance. Each gear type plays a specific role in the gearbox’s operation:
- Sun Gear: The sun gear is located at the center and is driven by the input power source. It transmits torque to the planet gears, causing them to orbit around it. The sun gear’s size and rotation speed affect the overall gear ratio of the system.
- Planet Gears: Planet gears are smaller gears that surround the sun gear. They are held in place by the planet carrier and mesh with both the sun gear and the internal teeth of the ring gear. As the sun gear rotates, the planet gears revolve around it, engaging with both the sun and ring gears simultaneously. This arrangement multiplies torque and changes the direction of rotation.
- Ring Gear (Annulus Gear): The ring gear is the outermost gear with internal teeth that mesh with the planet gears’ external teeth. It remains stationary or acts as the output shaft. The interaction between the planet gears and the ring gear causes the planet gears to rotate on their own axes as they orbit the sun gear.
The arrangement of these gears allows for various gear reduction ratios and torque multiplication effects, making planetary gearboxes versatile and efficient for a wide range of applications. The combination of multiple gear engagements and interactions distributes the load across multiple gear teeth, resulting in higher torque capacity, smoother operation, and lower stress on individual gear teeth.
Planetary gearboxes offer advantages such as compact size, high torque density, and the ability to achieve multiple gear reduction stages within a single unit. The arrangement of the sun, planet, and ring gears is essential for achieving these benefits while maintaining efficiency and reliability in various mechanical systems.


editor by CX 2024-02-11