Product Description
Product Description
NBR series adopts an integrated design of sun gear and input shaft, integrated design of output structure, and increased right-angle design for more flexible installation and space-saving. The product has the characteristics of high load, high precision, and low noise, focusing on the use of automation equipment, various types of packaging, printing, lithium-ion, LCD, robot, palletizers, woodworking, doors, windows, and other industry sectors.
Product Name: High Precision Planetary Gearbox
Product Series: NBR Series
Product features: high precision, high load, low noise, high flexibility, space saving.
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 optimises power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years
Our Advantages
Advantages:
High precision
High load
Low noise
High flexibility
Space saving
Detailed Photos
Product Parameters
| Segment number | Single segment | ||||||||||
| Ratio | i | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 14 | 20 |
| Rated output torque | Nm | 320 | 490 | 610 | 570 | 520 | 470 | 420 | 420 | 520 | 420 |
| Emergency stop torque | Nm | Three times of Maximum Output Torque | |||||||||
| Rated input speed | Rpm | 3000 | |||||||||
| Max input speed | Rpm | 6000 | |||||||||
| Ultraprecise backlash | arcmin | ≤2 | |||||||||
| Precision backlash | arcmin | ≤4 | |||||||||
| Standard backlash | arcmin | ≤6 | |||||||||
| Torsional rigidity | Nm/arcmin | 50 | |||||||||
| Max.bending moment | Nm | 9400 | |||||||||
| Max.axial force | N | 4700 | |||||||||
| Service life | hr | 20000(10000 under continuous operation) | |||||||||
| Efficiency | % | ≥95% | |||||||||
| Weight | kg | 24.5 | |||||||||
| Operating Temperature | ºC | -10ºC~+90ºC | |||||||||
| Lubrication | Synthetic grease | ||||||||||
| Protection class | IP64 | ||||||||||
| Mounting Position | All directions | ||||||||||
| Noise level(N1=3000rpm,non-loaded) | dB(A) | ≤70 | |||||||||
| Rotary inertia | Kg·cm² | 23.4 | 21.8 | ||||||||
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.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, CNC Machine |
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Speed Changing, Speed Reduction, Speed Increase |
| 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 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.

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

Energy Efficiency of a Worm Gearbox: What to Expect
The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:
- Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
- Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
- Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
- Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
- Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.
When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.


editor by CX 2024-03-27
China best Desboer High Precision 60mm Nhk Series Double Stage-P2 Planetary Gearbox for Servo Motor custom planetary gearbox
Product Description
Product Description
The NHK series is an economic version with a round body design, an integrated sun gear motor shaft design, and high-strength deep groove ball bearings. Mainly used in injection moulding robots, food packaging machines, filling machine lines, labelling machines, appliance production lines, non-metal processing equipment and many other industries.
Applicable industries:
Injection moulding robots, food packaging machines, filling machine lines, labelling machines, appliance production lines, non-metal processing equipment and many other industries.
Product Name: High Precision Planetary Gedarbox
Product Series:NHK Series
Features:High precision,low noise,light weight
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
Advantages:
High precision
Low noise
Light-weight
Detailed Photos
Product Parameters
| Frame | modle | Ratio | Nominal | Maximum | Emergency | Nominal | Maximum | Permitted | Permitted axial load | Maximum | Maximum | Weight | Moment | Moment | Moment |
| output torque | output torque | stop torque | input speed | input speed | radial load | radial load | axial load | of inertia(≤Φ8) | of inertia(≤Φ14) | of inertia(≤Φ19) | |||||
| 060 | [Nm] | [Nm] | [Nm] | [rpm] | [rpm] | [N] | [N] | [N] | [N] | [KG] | [kgcm²] | [kgcm²] | [kgcm²] | ||
| double | 15 | 18 | 35 | 80 | 3000 | 6000 | 740 | 630 | 1200 | 1100 | 1.6 | 0.055 | 0.14 | – | |
| 16 | 27 | 50 | 100 | 3000 | 6000 | 750 | 650 | 1200 | 1100 | 0.057 | 0.14 | – | |||
| 20 | 27 | 50 | 100 | 3000 | 6000 | 810 | 720 | 1200 | 1100 | 0.054 | 0.13 | – | |||
| 25 | 27 | 50 | 100 | 3000 | 6000 | 870 | 790 | 1200 | 1100 | 0.053 | 0.13 | – | |||
| 28 | 27 | 50 | 100 | 3000 | 6000 | 910 | 830 | 1200 | 1100 | 0.055 | 0.14 | – | |||
| 30 | 18 | 35 | 80 | 3000 | 6000 | 930 | 860 | 1200 | 1100 | 0.049 | 0.13 | – | |||
| 35 | 27 | 50 | 100 | 3000 | 6000 | 980 | 920 | 1200 | 1100 | 0.053 | 0.13 | – | |||
| 40 | 27 | 50 | 100 | 3000 | 6000 | 1000 | 970 | 1200 | 1100 | 0.049 | 0.13 | – | |||
| 45 | 18 | 35 | 80 | 3000 | 6000 | 1100 | 1000 | 1200 | 1100 | 0.053 | 0.13 | – | |||
| 50 | 27 | 50 | 100 | 3000 | 6000 | 1100 | 1100 | 1200 | 1100 | 0.049 | 0.13 | – | |||
| 60 | 27 | 50 | 100 | 3000 | 6000 | 1200 | 1100 | 1200 | 1100 | 0.049 | 0.13 | – | |||
| 70 | 27 | 50 | 100 | 3000 | 6000 | 1200 | 1100 | 1200 | 1100 | 0.049 | 0.13 | – | |||
| 80 | 27 | 50 | 100 | 3000 | 6000 | 1200 | 1100 | 1200 | 1100 | 0.049 | 0.13 | – | |||
| 90 | 18 | 35 | 80 | 3000 | 6000 | 1200 | 1100 | 1200 | 1100 | 0.049 | 0.13 | – | |||
| 100 | 18 | 35 | 80 | 3000 | 6000 | 1200 | 1100 | 1200 | 1100 | 0.049 | 0.13 | – |
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.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Marine, Agricultural Machinery, CNC Machine |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Plantery Type |
| Hardness: | Hardened Tooth Surface |
| Installation: | All Directions |
| Step: | Double-Step |
| Customization: |
Available
| Customized Request |
|---|

What is a Planetary Gearbox?
A planetary gearbox is a mechanical device in which the teeth of a planet mesh with the teeth of its sun or ring. The number of teeth and the spacing of planets will determine whether the teeth mesh correctly. In this article, we will learn more about planetary gearboxes. Besides understanding their working, you can also learn how to design your own. Here are some examples:
planetary gearboxes
If your car has an automatic transmission, then a planetary gearbox is the type you have. It is possible to find out if you have this type of gearbox by consulting the owner’s manual, calling the service department of your car’s manufacturer, or conducting a search using your favorite search engine. However, planetary gears are more complex and have many more components than standard gearboxes. The following information will explain more about this type of gearbox.
Planetary gearboxes use three different gear types to transmit torque. The sun gear sits in the center of the gear assembly, while the other gears rotate around it. A carrier connects the two gears, and is designed to set the spacing between them. When the gears are rotated, the carrier will spin, enabling the entire assembly to work together. The carrier also incorporates the output shaft. For this gearbox to work effectively, it must meet the application’s requirements.
There are three main types of planetary gearboxes: the basic model is highly efficient and transmits 97% of the power input. The earliest models are not complex, but they do have some key differences. Some of these differences make them ideal for various applications. For example, a planetary gearbox can operate in alternating and continuous operation, with the output support having internal grooving. Some designs have more than one output shaft, allowing the user to choose the configuration and torque that is best for their application.
One of the main differences between a planetary gearbox and a conventional one is the way the planetary parts move. A planetary gearbox may have multiple axes for increased torque. A planetary gearbox can provide a torque up to 113,000 N.m. by rotating its maximum teeth simultaneously. They are the ideal choice for space-constrained applications. For instance, a car with small spaces can install one with ease.
A planetary gearbox’s gear ratio is determined by the ratio of the sun gear to the ring gear. The number of teeth on the sun gear is a way to adjust the gear ratio. Smaller sun gears result in larger planetary gear ratios, while larger ones cause a decrease in torque. The ratio between planetary gears ranges from 3:1 to 10:1, with the lowest ratio being three. The greatest possible ratio is 10:1.
A planetary gearbox has many benefits. The compact design makes them a more efficient choice for small motors and is advantageous for servo functions. Planetary gearboxes have low inertia, which is an important factor, especially in servo applications, since the inertia of the gearbox adds to the motor’s load inertia. The planetary gearboxes are typically lubricated with grease or oil, so you don’t need to worry about re-lubrication or maintenance.
planetary gearboxes with output shaft
The advantages of planetary gearboxes are numerous. They are widely used in many applications, from automobiles to medical equipment, goods & personnel lifts to machine tools. They are also used in derrick & dockyard cranes and slewing drives. These gearboxes are available in various sizes and shapes, ranging from small to extremely large. There are many different types, and each is designed to suit its intended use.
The LP generation 3 gearhead series combines maximum quality with economic precision in a low-backlash planetary gearbox. The output shaft version is especially suited for high-speed, highly dynamic cyclic operation. Another version is the SP+ HIGH SPEED. The SP+ high-speed version is designed to achieve maximum speeds while in continuous operation. If you need a planetary gearbox with an output shaft, look no further. It is the best choice for many applications.
As the name suggests, a planetary gearbox incorporates planetary parts and an output shaft. The outer gears (also called the planetary gears) are connected by a carrier to the output shaft. The carrier is then connected to the output shaft by a ring. There are two or more planetary gears inside the planetary gearbox. Each gear is connected to a carrier, which is connected to the output shaft.
An epicyclic planetary gear train can be assembled so that the planet gear rolls around the sun gear. In the wheel drive planetary gearbox, the planetary gears are grouped over the housing to optimize the size and weight of the system. The planetary gear train can handle torques as high as 332,000 N.m., with the ring gear being fixed while the sun gear is movable.
Another advantage of a planetary gearbox is that it uses many teeth at once. This allows for high speed reduction and high torque transmission, and it is extremely compact. Planetary gearboxes with output shaft are ideal for space-constrained applications. Their compact size and minimal weight make them a popular choice in many industries. They are also known as epicyclic gears and are used in many different types of machines.
A planetary gearbox can have three components. A central sun gear, an outer ring known as the inner gear, and an output shaft. These three components are linked by a carrier. The carrier rotates so that the input and output gears are in sync. They also have a standard gap between the gears. The carrier also acts as the output shaft. They can be used to create small machines, such as a bicycle acceleration hub.
planetary gearboxes with integer number of teeth
When designing a planetary gearbox, one must determine the amount of tooth count. This figure is known as the mesh load factor Kg, and is based on the normal tooth forces that are generated in each mesh. The number of planets, the error in the gear design, and the rigidity of the housing all affect Kg. Depending on the type of application, Kg can be calculated by using different standards.
In a typical planetary gearbox, the ratio is an integer number, and the lowest is 3:1. At a ratio of 10, the sun gear is too large and the sun wheel is too low to provide a sufficient amount of torque. In most cases, the ratio is an integer value, and the teeth are evenly spaced. The gear mesh is then balanced to grade 2. The carrier is measured three-dimensionally to detect the accuracy of the planet pin hole in the carrier.
In the simplest case, each planetary gear mesh produces a dynamic signal at its mesh frequency. These signals can cancel or reinforce in various ways. A helix angle, however, introduces axial forces into the gear mesh, which can be cancelled or reinforced in the same way as torques. As the helix angle is an integer number, this planetary gear model does not necessarily require infinite precision.
The resulting motion period is measured in rotational angles. This figure can be used to determine fault diagnosis and calculate the minimum data length required. It can also be used to calculate the kinematic motion of a faulty planet gear tooth. It is important to note that fault-mesh motion is not instantaneous, and therefore, it requires a sufficient amount of time to fully mesh a faulty planet gear.
The load-share factor is similar to that of spur and helical gearboxes, and can be used to calculate dynamic load sharing. When the load share factor is low, the individual gear meshes are slightly loaded. Deflections can vary, especially with high-precision gears. Therefore, the design process should incorporate the tolerance chain. This will ensure the correct ratio of gear mesh.
A planetary gearbox is a type of planetary gear system that is used in motors. It has a sun gear at the center and a set of outer gears. Each gear turns according to its axis around the sun. They are interconnected by a ring component and are connected to each other through a carrier. The carrier also includes the output shaft. And since the sun gear is centered, the mesh is standard.
As an added benefit, planetary gearboxes have sliding surfaces, which reduce noise and vibration. Despite the high-quality of planetary gearboxes, it is important to properly lubricate them to avoid wear and tear. CZPT uses CZPT. In order to make the planetary gearboxes last a long time, the lubricant is usually incorporated in the planetary gearbox.


editor by CX 2024-03-26
China Good quality High Torque 750W Servo Motor Spur Transmission Planetary Gearboxes with Good quality
Product Description
High Torque 750W Servo Motor Spur Transmission Planetary Gearboxes
Planetary gearbox is a kind of reducer with wide versatility. The inner gear adopts low carbon alloy steel carburizing quenching and grinding or nitriding process. Planetary gearbox has the characteristics of small structure size, large output torque, high speed ratio, high efficiency, safe and reliable performance, etc. The inner gear of the planetary gearbox can be divided into spur gear and helical gear. Customers can choose the right precision reducer according to the needs of the application.
Product Description
Characteristics:
1.With bevel gear reversing mechanism,right angle steering output is realized’
2.Circycle output,threaded connection,standard size;
3.The input specifications are completes and there are many choices;
4.Spur transmission,single cantilever structure,design simple,high cost performance;
5.Keyway can be opened in the force shaft;
6.stable operation and low noise;
7.Size range:60-120mm;
8.Ratio range:3-100;
9.Precision range:8-16arcmin;
10.Support custom according to drawings or samples
Product Parameters
| Specifications | PVLN60 | PVLN90 | PVLN120 | |||
| Technal Parameters | ||||||
| Max. Torque | Nm | 1.5times rated torque | ||||
| Emergency Stop Torque | Nm | 2.5times rated torque | ||||
| Max. Radial Load | N | 240 | 450 | 1240 | ||
| Max. Axial Load | N | 220 | 430 | 1000 | ||
| Torsional Rigidity | Nm/arcmin | 1.8 | 4.85 | 11 | ||
| Max.Input Speed | rpm | 8000 | 6000 | 6000 | ||
| Rated Input Speed | rpm | 4000 | 3500 | 3500 | ||
| Noise | dB | ≤58 | ≤60 | ≤65 | ||
| Average Life Time | h | 20000 | ||||
| Efficiency Of Full Load | % | L1≥95% L2≥92% | ||||
| Return Backlash | P1 | L1 | arcmin | ≤8 | ≤8 | ≤8 |
| L2 | arcmin | ≤12 | ≤12 | ≤12 | ||
| P2 | L1 | arcmin | ≤16 | ≤16 | ≤16 | |
| L2 | arcmin | ≤20 | ≤20 | ≤20 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.46 | 1.73 | 12.78 |
| 4 | Kg*cm2 | 0.46 | 1.73 | 12.78 | ||
| 5 | Kg*cm2 | 0.46 | 1.73 | 12.78 | ||
| 7 | Kg*cm2 | 0.41 | 1.42 | 11.38 | ||
| 10 | Kg*cm2 | 0.41 | 1.42 | 11.38 | ||
| L2 | 12 | Kg*cm2 | 0.44 | 1.49 | 12.18 | |
| 15 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 16 | Kg*cm2 | 0.72 | 1.49 | 12.18 | ||
| 20 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 25 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 28 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 30 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 35 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 40 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 50 | Kg*cm2 | 0.34 | 1.25 | 11.48 | ||
| 70 | Kg*cm2 | 0.34 | 1.25 | 11.48 | ||
| 100 | Kg*cm2 | 0.34 | 1.25 | 11.48 | ||
| Technical Parameter | Level | Ratio | PVLN60 | PVLN90 | PVLN120 | |
| Rated Torque | L1 | 3 | Nm | 27 | 96 | 161 |
| 4 | Nm | 40 | 122 | 210 | ||
| 5 | Nm | 40 | 122 | 210 | ||
| 7 | Nm | 34 | 95 | 170 | ||
| 10 | Nm | 16 | 56 | 86 | ||
| L2 | 12 | Nm | 27 | 96 | 161 | |
| 15 | Nm | 27 | 96 | 161 | ||
| 16 | Nm | 40 | 122 | 210 | ||
| 20 | Nm | 40 | 122 | 210 | ||
| 25 | Nm | 40 | 122 | 210 | ||
| 28 | Nm | 40 | 122 | 210 | ||
| 30 | Nm | 27 | 96 | 161 | ||
| 35 | Nm | 40 | 122 | 210 | ||
| 40 | Nm | 40 | 122 | 210 | ||
| 50 | Nm | 40 | 122 | 210 | ||
| 70 | Nm | 34 | 95 | 170 | ||
| 100 | Nm | 16 | 56 | 86 | ||
| Degree Of Protection | IP65 | |||||
| Operation Temprature | ºC | – 10ºC to -90ºC | ||||
| Weight | L1 | kg | 1.7 | 4.4 | 12 | |
| L2 | kg | 1.9 | 5 | 14 | ||
Company Profile
Packaging & Shipping
1. Lead time: 10-15 days as usual, 30 days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ TNT/ EMS/ UPS/ FEDEX
FAQ
1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc
4. why should you buy from us not from other suppliers?
We are 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts
5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Manipulator Machinery |
|---|---|
| Function: | Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Samples: |
US$ 199/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

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

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

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


editor by CX 2024-03-02
China wholesaler CZPT 35: 1 Ratio 400W 750W Servo Motor Helical Planetary Speed Gearbox cycloidal gearbox
Product Description
Newgear 35:1 Ratio 400W 750W Servo Motor Helical Planetary Speed Gearbox
Nickel chromium molybdenum allpy steel gear is manufacturered with carburizing heat treatment for high abrasion resistance and impact toughness and by honing process to increase gear prcision and low noise operation.
Product Description
Products fearures:
1.One-piece construction, High Prescision and large output torque
2.Double bracing cage planetary shelf structure , high relible. Can suit reversible rotabtion frequently
3.Helical gear transmission, more reliable. Higher torque
4.Low return backlash,high precision
5.Special Rotation frame structure, can carry bigger Radial&Axial load
Product Parameters
| Specifications | PX42 | PX60 | PX90 | PX120 | PX140 | PX180 | |||
| Technal Parameters | |||||||||
| Max. Torque | Nm | 1.5times rated torque | |||||||
| Emergency Stop Torque | Nm | 2.5times rated torque | |||||||
| Max. Radial Load | N | 780 | 1530 | 3250 | 6700 | 9400 | 14500 | ||
| Max. Axial Load | N | 390 | 630 | 1300 | 3000 | 4700 | 7250 | ||
| Torsional Rigidity | Nm/arcmin | 2.5 | 6 | 12 | 23 | 47 | 130 | ||
| Max.Input Speed | rpm | 8000 | 8000 | 8000 | 8000 | 6000 | 6000 | ||
| Rated Input Speed | rpm | 4000 | 4000 | 3000 | 3000 | 3000 | 3000 | ||
| Noise | dB | ≤56 | ≤58 | ≤60 | ≤65 | ≤68 | ≤68 | ||
| Average Life Time | h | 20000 | |||||||
| Efficiency Of Full Load | % | L1≥95% L2≥90% | |||||||
| Return Backlash | P1 | L1 | arcmin | / | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 |
| L2 | arcmin | / | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ||
| P2 | L1 | arcmin | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
| L2 | arcmin | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | / | 0.16 | 0.61 | 3.25 | 9.21 | 28.98 |
| 4 | Kg*cm2 | 0.03 | 0.14 | 0.48 | 2.74 | 7.54 | 23.67 | ||
| 5 | Kg*cm2 | 0.03 | 0.13 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 7 | Kg*cm2 | 0.03 | 0.13 | 0.45 | 2.62 | 7.14 | 22.48 | ||
| 8 | Kg*cm2 | 0.03 | 0.13 | 0.45 | 2.6 | / | / | ||
| 10 | Kg*cm2 | 0.03 | 0.13 | 0.4 | 2.57 | 7.03 | 22.51 | ||
| L2 | 12 | Kg*cm2 | / | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | |
| 15 | Kg*cm2 | / | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | ||
| 20 | Kg*cm2 | 0.03 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | ||
| 25 | Kg*cm2 | 0.03 | 0.13 | 0.45 | 0.4 | 2.63 | 7.3 | ||
| 28 | Kg*cm2 | 0.03 | 0.13 | 0.45 | 0.45 | 2.43 | 7.1 | ||
| 30 | Kg*cm2 | / | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | ||
| 35 | Kg*cm2 | 0.03 | 0.13 | 0.4 | 0.4 | 2.43 | 7.1 | ||
| 40 | Kg*cm2 | 0.03 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | ||
| 50 | Kg*cm2 | 0.03 | 0.13 | 0.4 | 0.4 | 2.39 | 6.92 | ||
| 70 | Kg*cm2 | 0.03 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | ||
| 100 | Kg*cm2 | 0.03 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | ||
| Technical Parameter | Level | Ratio | PX42 | PX60 | PX90 | PX120 | PX140 | PX180 | |
| Rated Torque | L1 | 3 | Nm | / | 40 | 105 | 165 | 360 | 880 |
| 4 | Nm | 17 | 45 | 130 | 230 | 480 | 880 | ||
| 5 | Nm | 15 | 45 | 130 | 230 | 480 | 1100 | ||
| 7 | Nm | 12 | 45 | 100 | 220 | 480 | 1100 | ||
| 8 | Nm | / | 40 | 90 | 200 | / | / | ||
| 10 | Nm | 10 | 30 | 75 | 175 | 360 | 770 | ||
| L2 | 12 | Nm | / | 40 | 105 | 165 | 440 | 880 | |
| 15 | Nm | / | 40 | 105 | 165 | 360 | 880 | ||
| 20 | Nm | 17 | 45 | 130 | 230 | 480 | 880 | ||
| 25 | Nm | 15 | 45 | 130 | 230 | 480 | 880 | ||
| 28 | Nm | 17 | 45 | 130 | 230 | 480 | 1100 | ||
| 30 | Nm | / | 40 | 105 | 165 | 480 | 1100 | ||
| 35 | Nm | 10 | 30 | 130 | 230 | 480 | 1100 | ||
| 40 | Nm | 17 | 45 | 130 | 230 | 480 | 1100 | ||
| 50 | Nm | 15 | 45 | 130 | 230 | 480 | 1100 | ||
| 70 | Nm | 12 | 45 | 100 | 220 | 480 | 1100 | ||
| 100 | Nm | 10 | 30 | 75 | 175 | 360 | 770 | ||
| Degree Of Protection | IP65 | ||||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | |||||||
| Weight | L1 | kg | 0.5 | 1.25 | 3.75 | 8.5 | 16 | 28.5 | |
| L2 | kg | 0.8 | 1.75 | 5.1 | 12 | 21.5 | 40 | ||
Company Profile
Packaging & Shipping
1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT
FAQ
1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc
4. why should you buy from us not from other suppliers?
We are 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts
5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Textile Machinery |
|---|---|
| Function: | Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Single-Step |
| Samples: |
US$ 153/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Challenges in Achieving High Gear Ratios with Compactness in Planetary Gearboxes
Designing planetary gearboxes with high gear ratios while maintaining compactness presents several challenges:
- Space Constraints: As the gear ratio increases, the number of gear stages required also increases. This can lead to larger gearbox sizes, which may be challenging to accommodate in applications with limited space.
- Bearing Loads: Higher gear ratios often result in increased loads on the bearings and other components due to the redistribution of forces. This can impact the durability and lifespan of the gearbox.
- Efficiency: Each gear stage introduces losses due to friction and other factors. With multiple stages, the overall efficiency of the gearbox can decrease, affecting its energy efficiency.
- Complexity: Achieving high gear ratios can require complex gear arrangements and additional components, which can lead to increased manufacturing complexity and costs.
- Thermal Effects: Higher gear ratios can lead to greater heat generation due to increased friction and loads. Managing thermal effects becomes crucial to prevent overheating and component failure.
To address these challenges, gearbox designers use advanced materials, precise machining techniques, and innovative bearing arrangements to optimize the design for both compactness and performance. Computer simulations and modeling play a critical role in predicting the behavior of the gearbox under different operating conditions, helping to ensure reliability and efficiency.

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

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


editor by CX 2024-02-29
China manufacturer High Precision Low Backlash Servo Motor Gearbox Spur Helical Gear Planetary Reducer Gearbox for Stepping Motor Servo Motor gearbox and motor
Product Description
TaiBang Motor Industry Group Co., Ltd.
The main products is induction motor, reversible motor, DC brush gear motor, DC brushless gear motor , CH/CV big gear motors , Planetary gear motor ,Worm gear motor etc, which used widely in various fields of manufacturing pipelining, transportation, food, medicine, printing, fabric, packing, office, apparatus, entertainment etc, and is the preferred and matched product for automatic machine.
Model Instruction
GB090-10-P2
| GB | 090 | 571 | P2 |
| Reducer Series Code | External Diameter | Reduction Ratio | Reducer Backlash |
| GB:High Precision Square Flange Output
GBR:High Precision Right Angle Square Flange Output GE:High Precision Round Flange Output GER:High Precision Right Round Flange Output |
050:ø50mm 070:ø70mm 090:ø90mm 120:ø120mm 155:ø155mm 205:ø205mm 235:ø235mm 042:42x42mm 060:60x60mm 090:90x90mm 115:115x115mm 142:142x142mm 180:180x180mm 220:220x220mm |
571 means 1:10 | P0:High Precision Backlash
P1:Precision Backlash P2:Standard Backlash |
Main Technical Performance
| Item | Number of stage | Reduction Ratio | GB042 | GB060 | GB060A | GB090 | GB090A | GB115 | GB142 | GB180 | GB220 |
| Rotary Inertia | 1 | 3 | 0.03 | 0.16 | 0.61 | 3.25 | 9.21 | 28.98 | 69.61 | ||
| 4 | 0.03 | 0.14 | 0.48 | 2.74 | 7.54 | 23.67 | 54.37 | ||||
| 5 | 0.03 | 0.13 | 0.47 | 2.71 | 7.42 | 23.29 | 53.27 | ||||
| 6 | 0.03 | 0.13 | 0.45 | 2.65 | 7.25 | 22.75 | 51.72 | ||||
| 7 | 0.03 | 0.13 | 0.45 | 2.62 | 7.14 | 22.48 | 50.97 | ||||
| 8 | 0.03 | 0.13 | 0.44 | 2.58 | 7.07 | 22.59 | 50.84 | ||||
| 9 | 0.03 | 0.13 | 0.44 | 2.57 | 7.04 | 22.53 | 50.63 | ||||
| 10 | 0.03 | 0.13 | 0.44 | 2.57 | 7.03 | 22.51 | 50.56 | ||||
| 2 | 15 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | |
| 20 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 25 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 30 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 35 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 40 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 45 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 50 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 60 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 70 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 80 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 90 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 100 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 |
| Item | Number of stage | GB042 | GB060 | GB060A | GB90 | GB090A | GB115 | GB142 | GB180 | GB220 | |
| Backlash(arcmin) | High Precision P0 | 1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | |||
| 2 | ≤3 | ≤3 | ≤3 | ≤3 | |||||||
| Precision P1 | 1 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | |
| 2 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ||
| Standard P2 | 1 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
| 2 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ||
| Torsional Rigidity(N.M/arcmin) | 1 | 3 | 7 | 7 | 14 | 14 | 25 | 50 | 145 | 225 | |
| 2 | 3 | 7 | 7 | 14 | 14 | 25 | 50 | 145 | 225 | ||
| Noise(dB) | 1,2 | ≤56 | ≤58 | ≤58 | ≤60 | ≤60 | ≤63 | ≤65 | ≤67 | ≤70 | |
| Rated input speed(rpm) | 1,2 | 5000 | 5000 | 5000 | 4000 | 4000 | 4000 | 3000 | 3000 | 2000 | |
| Max input speed(rpm) | 1,2 | 10000 | 10000 | 10000 | 8000 | 8000 | 8000 | 6000 | 6000 | 4000 | |
Noise test standard:Distance 1m,no load.Measured with an input speed 3000rpm
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Machinery, Agricultural Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Challenges in Achieving High Gear Ratios with Compactness in Planetary Gearboxes
Designing planetary gearboxes with high gear ratios while maintaining compactness presents several challenges:
- Space Constraints: As the gear ratio increases, the number of gear stages required also increases. This can lead to larger gearbox sizes, which may be challenging to accommodate in applications with limited space.
- Bearing Loads: Higher gear ratios often result in increased loads on the bearings and other components due to the redistribution of forces. This can impact the durability and lifespan of the gearbox.
- Efficiency: Each gear stage introduces losses due to friction and other factors. With multiple stages, the overall efficiency of the gearbox can decrease, affecting its energy efficiency.
- Complexity: Achieving high gear ratios can require complex gear arrangements and additional components, which can lead to increased manufacturing complexity and costs.
- Thermal Effects: Higher gear ratios can lead to greater heat generation due to increased friction and loads. Managing thermal effects becomes crucial to prevent overheating and component failure.
To address these challenges, gearbox designers use advanced materials, precise machining techniques, and innovative bearing arrangements to optimize the design for both compactness and performance. Computer simulations and modeling play a critical role in predicting the behavior of the gearbox under different operating conditions, helping to ensure reliability and efficiency.

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

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


editor by CX 2024-01-23
China Good quality High Precision and Small Backlash 090mm Planetary Gearbox for Servo Motor gearbox adjustment
Product Description
High Precision and Small Backlash 090mm Planetary Gearbox for Servo Motor
Detailed Photos
High precision planetary Gearbox can be divided into straight teeth gear input and helical teeth gear input. They are widely used in cutting machines, CNC equipment, AGV, logistics sorting and other fields.
Product Parameters
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Company Profile
FAQ
Q: What’re your main products?
A: We currently produce Brushed Dc Motors, Brushed Dc Gear Motors, Planetary Dc Gear Motors, Brushless Dc Motors, Stepper motors, Ac Motors and High Precision Planetary Gear Box etc. You can check the specifications for above motors on our website and you can email us to recommend needed motors per your specification too.
Q: How to select a suitable motor?
A:If you have motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.
Q: Do you have a customized service for your standard motors?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.
Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but it may need some mold developing cost and design charge.
Q: What’s your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.
Please contact us if you have detailed requests, thank you !
| Application: | Motor, Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Gear Shape: | Conical – Cylindrical Gear |
| Step: | Three-Step |
| Customization: |
Available
| Customized Request |
|---|

Challenges in Achieving High Gear Ratios with Compactness in Planetary Gearboxes
Designing planetary gearboxes with high gear ratios while maintaining compactness presents several challenges:
- Space Constraints: As the gear ratio increases, the number of gear stages required also increases. This can lead to larger gearbox sizes, which may be challenging to accommodate in applications with limited space.
- Bearing Loads: Higher gear ratios often result in increased loads on the bearings and other components due to the redistribution of forces. This can impact the durability and lifespan of the gearbox.
- Efficiency: Each gear stage introduces losses due to friction and other factors. With multiple stages, the overall efficiency of the gearbox can decrease, affecting its energy efficiency.
- Complexity: Achieving high gear ratios can require complex gear arrangements and additional components, which can lead to increased manufacturing complexity and costs.
- Thermal Effects: Higher gear ratios can lead to greater heat generation due to increased friction and loads. Managing thermal effects becomes crucial to prevent overheating and component failure.
To address these challenges, gearbox designers use advanced materials, precise machining techniques, and innovative bearing arrangements to optimize the design for both compactness and performance. Computer simulations and modeling play a critical role in predicting the behavior of the gearbox under different operating conditions, helping to ensure reliability and efficiency.

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.

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 2023-11-14
China factory High Torque Low Noise NEMA34 Servo Motor Planetary Gearboxes differential gearbox
Product Description
High Torque Low Noise Nema34 Servo Motor Planetary Gearboxes
Planetary reducer is widely used, mainly in the field of textile machinery, spring machine, printing equipment, etc
There are also many brands of servo motors, mainly including Panasonnic,Fuji,Mitsubishi, etc
Product Description
1.Specail flange joint output, can satisfy with the biggest installation.
2.shorter size, low installation space.
3.Low return backlash,precision location.
4.Double bracing cage planetary shelf structure.high reliable. Can suit reversible rotation frequently.
5.With axial clearance adjustment function.
6.The rotating frame bearing can be switched. After being changed into angular contact bearing, the bearing capacity of axial force and radial force will be greatly reduced.
7.Impact resistance, can adapt to high acceleration and deceleration conditions.
Product Parameters
| Specifications | PG64 | PG90 | PG110 | |||
| Technal Parameters | ||||||
| Max. Torque | Nm | 3times rated torque | ||||
| Emergency Stop Torque | Nm | 3times rated torque | ||||
| Max. Radial Load | N | 2050 | 4100 | 8200 | ||
| Max. Axial Load | N | 513 | 1571 | 2050 | ||
| Torsional Rigidity | Nm/arcmin | 13 | 31 | 82 | ||
| Max.Input Speed | rpm | 6000 | 6000 | 4500-6000 | ||
| Rated Input Speed | rpm | 4000 | 3000 | 3000 | ||
| Noise | dB | ≤58 | ≤60 | ≤65 | ||
| Average Life Time | h | 20000 | ||||
| Efficiency Of Full Load | % | L1≥95% L2≥90% | ||||
| Return Backlash | P1 | L1 | arcmin | ≤3 | ≤3 | ≤3 |
| L2 | arcmin | ≤5 | ≤5 | ≤5 | ||
| P2 | L1 | arcmin | ≤5 | ≤5 | ≤5 | |
| L2 | arcmin | ≤8 | ≤8 | ≤8 | ||
| Moment Of Inertia Table | L1 | 4 | Kg*cm2 | 0.13 | 0.51 | 2.87 |
| 5 | Kg*cm2 | 0.13 | 0.47 | 2.71 | ||
| 7 | Kg*cm2 | 0.13 | 0.45 | 2.62 | ||
| 10 | Kg*cm2 | 0.03 | 0.44 | 2.57 | ||
| L2 | 16 | Kg*cm2 | 0.03 | 0.23 | 0.47 | |
| 20 | Kg*cm2 | 0.03 | 0.23 | 0.47 | ||
| 25 | Kg*cm2 | 0.03 | 0.23 | 0.47 | ||
| 28 | Kg*cm2 | 0.03 | 0.23 | 0.47 | ||
| 35 | Kg*cm2 | 0.03 | 0.23 | 0.47 | ||
| 40 | Kg*cm2 | 0.03 | 0.23 | 0.47 | ||
| 50 | Kg*cm2 | 0.03 | 0.2 | 0.44 | ||
| 70 | Kg*cm2 | 0.03 | 0.2 | 0.44 | ||
| 100 | Kg*cm2 | 0.03 | 0.2 | 0.44 | ||
| Technical Parameter | Level | Ratio | PG64 | PG90 | PG110 | |
| Rated Torque | L1 | 4 | Nm | 40 | 120 | 220 |
| 5 | Nm | 40 | 125 | 260 | ||
| 7 | Nm | 40 | 125 | 260 | ||
| 10 | Nm | 35 | 80 | 160 | ||
| L2 | 16 | Nm | 50 | 120 | 300 | |
| 20 | Nm | 50 | 120 | 300 | ||
| 25 | Nm | 50 | 125 | 350 | ||
| 28 | Nm | 50 | 120 | 300 | ||
| 35 | Nm | 50 | 125 | 350 | ||
| 40 | Nm | 50 | 125 | 350 | ||
| 50 | Nm | 50 | 125 | 350 | ||
| 70 | Nm | 50 | 125 | 350 | ||
| 100 | Nm | 35 | 80 | 220 | ||
| Degree Of Protection | IP65 | |||||
| Operation Temprature | ºC | – 10ºC to -90ºC | ||||
| Weight | L1 | kg | 1.3 | 3.4 | 7.1 | |
| L2 | kg | 1.9 | 4.7 | 9.5 | ||
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/ 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
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Machine Tool Manufacturing |
|---|---|
| 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$ 254/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

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.

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 2023-10-21
China high quality Ab Series Aluminium Helical Bevel Planetary Gearboxes High Torque Planetary Gearbox for Servo Motor planetary gearbox disassembly
Product Description
Planetary Gearbox AB Series Square Flange Helical Bevel Planetary Transmission Gearboxes Servo Motor
Product Overview:
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.
Planetary Gearbox AB Series Square Flange Helical Bevel Planetary Transmission Gearboxes Servo Motor
Advantages of the planetary gearbox:
Low backlash
High Efficiency
High Torque
High Input Speed
High Stability
High Reduction Ratio
Detailed Photos
Product Parameters
|
Name |
High Precision Planetary Gearbox |
|
Model |
AB042, AB060, AB060A, AB090A, AB115, AB142, AB180, AB220 |
|
Gearing Arrangement |
Planetary |
|
Effeiency withfull load |
≥97 |
|
Backlash |
≤5 |
|
Weight |
0.5~48kg |
|
Gear Type |
Helical Gear |
|
Gear stages |
1 stage, 2 stage |
|
Rated Torque |
14N.m-2000N.m |
|
Gear Ratio One-stage |
3, 4, 5, 6, 7, 8, 9, 10 |
|
Gear Ratio Two-stage |
15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100 |
|
Mounting Position |
Horizontal (foot mounted) or Vertical (flange mounted) |
|
Usage |
stepper motor, servo motor, AC motor, DC motor, etc |
Various reduction ratios available. Please contact us. We will provide you with appropriate reduction gearbox according to your motor power
External Mounting Dimensions
1 stage reduction ratio 3~10
2 stage reduction ratio 15~100
features:
AB-series reducer features:
1. Helical gear design The reduction mechanism adopts the helical gear design, and its tooth shape meshing rate is more than twice that of the general spur gear, and has the characteristics of smooth operation, low noise, high output torque and low backlash
2. Collet type locking mechanism The connection between the input end and the motor adopts a collet-type locking mechanism and undergoes dynamic balance analysis to ensure the concentricity of the joint interface and zero-backlash power transmission at high input speeds
3. Modular design of motor connection board The unique modular design of the motor connecting plate and shaft is suitable for any brand and type of servo motor;
4. Efficient surface treatment technology The surface of the gearbox is treated with electroless nickel, and the connecting plate of the motor is treated with black anodic treatment to improve the environmental tolerance and corrosion resistance
5. One-piece gearbox body The gearbox and the inner ring gear adopt an integrated design, with compact structure, high precision and large output torque
6. Accurate concentricity of gear bar The sun gear made of the whole gear bar has strong rigidity and accurate concentricity
7. Solid, Single piece sun gear construction obtains precise concentricity with increased strength and rigidity. 8.Precision taper roller bearing support to increases radial and axial loading capacity.
Our Advantages
SERIES: AB/ ABR/ AD/ADS/ ADR/ AF/ AFR/ AFX/ AFXR/ AE/ AER/ AE/ AERS
PLF series, PLE series, ZPLF series, ZPLE series, AB series, ABR series and many other models are available.
Applications
Company Profile
Certifications
Packaging & Shipping
| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Gear Shape: | Planetary |
| Step: | Single-Step |
| Type: | Ab Series Gearbox, Gear Reducer |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|

What is a Planetary Gearbox?
A planetary gearbox is a mechanical device in which the teeth of a planet mesh with the teeth of its sun or ring. The number of teeth and the spacing of planets will determine whether the teeth mesh correctly. In this article, we will learn more about planetary gearboxes. Besides understanding their working, you can also learn how to design your own. Here are some examples:
planetary gearboxes
If your car has an automatic transmission, then a planetary gearbox is the type you have. It is possible to find out if you have this type of gearbox by consulting the owner’s manual, calling the service department of your car’s manufacturer, or conducting a search using your favorite search engine. However, planetary gears are more complex and have many more components than standard gearboxes. The following information will explain more about this type of gearbox.
Planetary gearboxes use three different gear types to transmit torque. The sun gear sits in the center of the gear assembly, while the other gears rotate around it. A carrier connects the two gears, and is designed to set the spacing between them. When the gears are rotated, the carrier will spin, enabling the entire assembly to work together. The carrier also incorporates the output shaft. For this gearbox to work effectively, it must meet the application’s requirements.
There are three main types of planetary gearboxes: the basic model is highly efficient and transmits 97% of the power input. The earliest models are not complex, but they do have some key differences. Some of these differences make them ideal for various applications. For example, a planetary gearbox can operate in alternating and continuous operation, with the output support having internal grooving. Some designs have more than one output shaft, allowing the user to choose the configuration and torque that is best for their application.
One of the main differences between a planetary gearbox and a conventional one is the way the planetary parts move. A planetary gearbox may have multiple axes for increased torque. A planetary gearbox can provide a torque up to 113,000 N.m. by rotating its maximum teeth simultaneously. They are the ideal choice for space-constrained applications. For instance, a car with small spaces can install one with ease.
A planetary gearbox’s gear ratio is determined by the ratio of the sun gear to the ring gear. The number of teeth on the sun gear is a way to adjust the gear ratio. Smaller sun gears result in larger planetary gear ratios, while larger ones cause a decrease in torque. The ratio between planetary gears ranges from 3:1 to 10:1, with the lowest ratio being three. The greatest possible ratio is 10:1.
A planetary gearbox has many benefits. The compact design makes them a more efficient choice for small motors and is advantageous for servo functions. Planetary gearboxes have low inertia, which is an important factor, especially in servo applications, since the inertia of the gearbox adds to the motor’s load inertia. The planetary gearboxes are typically lubricated with grease or oil, so you don’t need to worry about re-lubrication or maintenance.
planetary gearboxes with output shaft
The advantages of planetary gearboxes are numerous. They are widely used in many applications, from automobiles to medical equipment, goods & personnel lifts to machine tools. They are also used in derrick & dockyard cranes and slewing drives. These gearboxes are available in various sizes and shapes, ranging from small to extremely large. There are many different types, and each is designed to suit its intended use.
The LP generation 3 gearhead series combines maximum quality with economic precision in a low-backlash planetary gearbox. The output shaft version is especially suited for high-speed, highly dynamic cyclic operation. Another version is the SP+ HIGH SPEED. The SP+ high-speed version is designed to achieve maximum speeds while in continuous operation. If you need a planetary gearbox with an output shaft, look no further. It is the best choice for many applications.
As the name suggests, a planetary gearbox incorporates planetary parts and an output shaft. The outer gears (also called the planetary gears) are connected by a carrier to the output shaft. The carrier is then connected to the output shaft by a ring. There are two or more planetary gears inside the planetary gearbox. Each gear is connected to a carrier, which is connected to the output shaft.
An epicyclic planetary gear train can be assembled so that the planet gear rolls around the sun gear. In the wheel drive planetary gearbox, the planetary gears are grouped over the housing to optimize the size and weight of the system. The planetary gear train can handle torques as high as 332,000 N.m., with the ring gear being fixed while the sun gear is movable.
Another advantage of a planetary gearbox is that it uses many teeth at once. This allows for high speed reduction and high torque transmission, and it is extremely compact. Planetary gearboxes with output shaft are ideal for space-constrained applications. Their compact size and minimal weight make them a popular choice in many industries. They are also known as epicyclic gears and are used in many different types of machines.
A planetary gearbox can have three components. A central sun gear, an outer ring known as the inner gear, and an output shaft. These three components are linked by a carrier. The carrier rotates so that the input and output gears are in sync. They also have a standard gap between the gears. The carrier also acts as the output shaft. They can be used to create small machines, such as a bicycle acceleration hub.
planetary gearboxes with integer number of teeth
When designing a planetary gearbox, one must determine the amount of tooth count. This figure is known as the mesh load factor Kg, and is based on the normal tooth forces that are generated in each mesh. The number of planets, the error in the gear design, and the rigidity of the housing all affect Kg. Depending on the type of application, Kg can be calculated by using different standards.
In a typical planetary gearbox, the ratio is an integer number, and the lowest is 3:1. At a ratio of 10, the sun gear is too large and the sun wheel is too low to provide a sufficient amount of torque. In most cases, the ratio is an integer value, and the teeth are evenly spaced. The gear mesh is then balanced to grade 2. The carrier is measured three-dimensionally to detect the accuracy of the planet pin hole in the carrier.
In the simplest case, each planetary gear mesh produces a dynamic signal at its mesh frequency. These signals can cancel or reinforce in various ways. A helix angle, however, introduces axial forces into the gear mesh, which can be cancelled or reinforced in the same way as torques. As the helix angle is an integer number, this planetary gear model does not necessarily require infinite precision.
The resulting motion period is measured in rotational angles. This figure can be used to determine fault diagnosis and calculate the minimum data length required. It can also be used to calculate the kinematic motion of a faulty planet gear tooth. It is important to note that fault-mesh motion is not instantaneous, and therefore, it requires a sufficient amount of time to fully mesh a faulty planet gear.
The load-share factor is similar to that of spur and helical gearboxes, and can be used to calculate dynamic load sharing. When the load share factor is low, the individual gear meshes are slightly loaded. Deflections can vary, especially with high-precision gears. Therefore, the design process should incorporate the tolerance chain. This will ensure the correct ratio of gear mesh.
A planetary gearbox is a type of planetary gear system that is used in motors. It has a sun gear at the center and a set of outer gears. Each gear turns according to its axis around the sun. They are interconnected by a ring component and are connected to each other through a carrier. The carrier also includes the output shaft. And since the sun gear is centered, the mesh is standard.
As an added benefit, planetary gearboxes have sliding surfaces, which reduce noise and vibration. Despite the high-quality of planetary gearboxes, it is important to properly lubricate them to avoid wear and tear. CZPT uses CZPT. In order to make the planetary gearboxes last a long time, the lubricant is usually incorporated in the planetary gearbox.


editor by CX 2023-05-24
China Custom High Precision Low Backlash 1500W Servo Motor Planetary Gearboxes (PXR90-L2) with Great quality
Product Description
High Precision Low Backlash 1500W Servo Motor Planetary Gearboxes (PXR90-L2)
Planetary reducer is widely used, mainly in the field of textile machinery, spring machine, printing equipment, etc
There are also many brands of servo motors, mainly including Panasonnic,Fuji,Mitsubishi, etc
Product Description
1.Spiral bevel gear reversing mechanism to realize right angle steering output;
2.The installation distance of spiral bevel gear pair is adjustable and the working sound is lower;
3.Grinding bevel gear can be selected,and the working sound is more stable and quiet;
4.Integrated structure,high precision,high rigidity;
5.Double support case planet carrier structure,high reliable,suitable for high-speed frequent and reverse rotation;
6.With axial clearance adjustment function;
7.Collet type locking design,higher coaxiality of motor installtion;
8.Helical gear transmission ,low backlash,more accurate positioning;
9.Size range:60-120mm;
10.Ratio range:3-100;
11.Precision range:3-5arcmin (P1);5-8arcmin (P2)
Product Parameters
| Specifications | PXR42 | PXR60 | PXR90 | PXR120 | |||
| Technal Parameters | |||||||
| Max. Torque | Nm | 1.5times rated torque | |||||
| Emergency Stop Torque | Nm | 2.5times rated torque | |||||
| Max. Radial Load | N | 780 | 1530 | 3300 | 6700 | ||
| Max. Axial Load | N | 390 | 600 | 1500 | 3000 | ||
| Torsional Rigidity | Nm/arcmin | 2.5 | 6 | 12 | 23 | ||
| Max.Input Speed | rpm | 8000 | 8000 | 6000 | 6000 | ||
| Rated Input Speed | rpm | 4000 | 4000 | 3000 | 3000 | ||
| Noise | dB | ≤56 | ≤64 | ≤66 | ≤66 | ||
| Average Life Time | h | 20000 | |||||
| Efficiency Of Full Load | % | L1≥95% L2≥90% | |||||
| Return Backlash | P1 | L1 | arcmin | ≤3 | ≤5 | ≤5 | ≤5 |
| L2 | arcmin | ≤5 | ≤7 | ≤7 | ≤7 | ||
| P2 | L1 | arcmin | ≤5 | ≤8 | ≤8 | ≤8 | |
| L2 | arcmin | ≤7 | ≤10 | ≤10 | ≤10 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | / | 0.4 | 2.28 | 6.87 |
| 4 | Kg*cm2 | 0.12 | 0.4 | 2.28 | 6.87 | ||
| 5 | Kg*cm2 | 0.09 | 0.4 | 2.28 | 6.87 | ||
| 7 | Kg*cm2 | 0.09 | 0.4 | 2.28 | 6.87 | ||
| 8 | Kg*cm2 | / | 0.4 | 1.45 | 4.76 | ||
| 10 | Kg*cm2 | 0.09 | 0.3 | 1.45 | 4.76 | ||
| 14 | Kg*cm2 | / | 0.4 | 2.28 | 6.87 | ||
| 20 | Kg*cm2 | / | 0.4 | 2.28 | 6.87 | ||
| L2 | 25 | Kg*cm2 | 0.09 | 0.4 | 2.28 | 6.87 | |
| 30 | Kg*cm2 | / | 0.4 | 2.28 | 6.87 | ||
| 35 | Kg*cm2 | 0.09 | 0.4 | 2.28 | 6.87 | ||
| 40 | Kg*cm2 | 0.09 | 0.4 | 2.28 | 6.87 | ||
| 50 | Kg*cm2 | 0.09 | 0.3 | 1.45 | 4.76 | ||
| 70 | Kg*cm2 | 0.09 | 0.3 | 1.45 | 4.76 | ||
| 100 | Kg*cm2 | 0.07 | 0.3 | 1.45 | 4.76 | ||
| Technical Parameter | Level | Ratio | PXR42 | PXR60 | PXR90 | PXR120 | |
| Rated Torque | L1 | 3 | Nm | / | 40 | 105 | 165 |
| 4 | Nm | 17 | 45 | 130 | 230 | ||
| 5 | Nm | 15 | 45 | 130 | 230 | ||
| 7 | Nm | 12 | 45 | 100 | 220 | ||
| 8 | Nm | / | 45 | 90 | 200 | ||
| 10 | Nm | 10 | 45 | 130 | 230 | ||
| 14 | Nm | / | 45 | 100 | 220 | ||
| 20 | Nm | / | 30 | 75 | 175 | ||
| L2 | 25 | Nm | 15 | 45 | 130 | 230 | |
| 30 | Nm | / | 40 | 105 | 165 | ||
| 35 | Nm | 15 | 45 | 130 | 230 | ||
| 40 | Nm | 17 | 45 | 130 | 230 | ||
| 50 | Nm | 15 | 45 | 130 | 230 | ||
| 70 | Nm | 12 | 45 | 130 | 230 | ||
| 100 | Nm | 15 | 46 | 130 | 230 | ||
| Degree Of Protection | IP65 | ||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | |||||
| Weight | L1 | kg | 0.7 | 2.05 | 6.45 | 13.7 | |
| L2 | kg | 0.9 | 3.15 | 8.8 | 17.2 | ||
Company Profile
Packaging & Shipping
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/ FEDEX/ EMS/ TNT
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Textile Machinery |
|---|---|
| Function: | Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Samples: |
US$ 369/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

What is a Planetary Gearbox?
A planetary gearbox is a mechanical device in which the teeth of a planet mesh with the teeth of its sun or ring. The number of teeth and the spacing of planets will determine whether the teeth mesh correctly. In this article, we will learn more about planetary gearboxes. Besides understanding their working, you can also learn how to design your own. Here are some examples:
planetary gearboxes
If your car has an automatic transmission, then a planetary gearbox is the type you have. It is possible to find out if you have this type of gearbox by consulting the owner’s manual, calling the service department of your car’s manufacturer, or conducting a search using your favorite search engine. However, planetary gears are more complex and have many more components than standard gearboxes. The following information will explain more about this type of gearbox.
Planetary gearboxes use three different gear types to transmit torque. The sun gear sits in the center of the gear assembly, while the other gears rotate around it. A carrier connects the two gears, and is designed to set the spacing between them. When the gears are rotated, the carrier will spin, enabling the entire assembly to work together. The carrier also incorporates the output shaft. For this gearbox to work effectively, it must meet the application’s requirements.
There are three main types of planetary gearboxes: the basic model is highly efficient and transmits 97% of the power input. The earliest models are not complex, but they do have some key differences. Some of these differences make them ideal for various applications. For example, a planetary gearbox can operate in alternating and continuous operation, with the output support having internal grooving. Some designs have more than one output shaft, allowing the user to choose the configuration and torque that is best for their application.
One of the main differences between a planetary gearbox and a conventional one is the way the planetary parts move. A planetary gearbox may have multiple axes for increased torque. A planetary gearbox can provide a torque up to 113,000 N.m. by rotating its maximum teeth simultaneously. They are the ideal choice for space-constrained applications. For instance, a car with small spaces can install one with ease.
A planetary gearbox’s gear ratio is determined by the ratio of the sun gear to the ring gear. The number of teeth on the sun gear is a way to adjust the gear ratio. Smaller sun gears result in larger planetary gear ratios, while larger ones cause a decrease in torque. The ratio between planetary gears ranges from 3:1 to 10:1, with the lowest ratio being three. The greatest possible ratio is 10:1.
A planetary gearbox has many benefits. The compact design makes them a more efficient choice for small motors and is advantageous for servo functions. Planetary gearboxes have low inertia, which is an important factor, especially in servo applications, since the inertia of the gearbox adds to the motor’s load inertia. The planetary gearboxes are typically lubricated with grease or oil, so you don’t need to worry about re-lubrication or maintenance.
planetary gearboxes with output shaft
The advantages of planetary gearboxes are numerous. They are widely used in many applications, from automobiles to medical equipment, goods & personnel lifts to machine tools. They are also used in derrick & dockyard cranes and slewing drives. These gearboxes are available in various sizes and shapes, ranging from small to extremely large. There are many different types, and each is designed to suit its intended use.
The LP generation 3 gearhead series combines maximum quality with economic precision in a low-backlash planetary gearbox. The output shaft version is especially suited for high-speed, highly dynamic cyclic operation. Another version is the SP+ HIGH SPEED. The SP+ high-speed version is designed to achieve maximum speeds while in continuous operation. If you need a planetary gearbox with an output shaft, look no further. It is the best choice for many applications.
As the name suggests, a planetary gearbox incorporates planetary parts and an output shaft. The outer gears (also called the planetary gears) are connected by a carrier to the output shaft. The carrier is then connected to the output shaft by a ring. There are two or more planetary gears inside the planetary gearbox. Each gear is connected to a carrier, which is connected to the output shaft.
An epicyclic planetary gear train can be assembled so that the planet gear rolls around the sun gear. In the wheel drive planetary gearbox, the planetary gears are grouped over the housing to optimize the size and weight of the system. The planetary gear train can handle torques as high as 332,000 N.m., with the ring gear being fixed while the sun gear is movable.
Another advantage of a planetary gearbox is that it uses many teeth at once. This allows for high speed reduction and high torque transmission, and it is extremely compact. Planetary gearboxes with output shaft are ideal for space-constrained applications. Their compact size and minimal weight make them a popular choice in many industries. They are also known as epicyclic gears and are used in many different types of machines.
A planetary gearbox can have three components. A central sun gear, an outer ring known as the inner gear, and an output shaft. These three components are linked by a carrier. The carrier rotates so that the input and output gears are in sync. They also have a standard gap between the gears. The carrier also acts as the output shaft. They can be used to create small machines, such as a bicycle acceleration hub.
planetary gearboxes with integer number of teeth
When designing a planetary gearbox, one must determine the amount of tooth count. This figure is known as the mesh load factor Kg, and is based on the normal tooth forces that are generated in each mesh. The number of planets, the error in the gear design, and the rigidity of the housing all affect Kg. Depending on the type of application, Kg can be calculated by using different standards.
In a typical planetary gearbox, the ratio is an integer number, and the lowest is 3:1. At a ratio of 10, the sun gear is too large and the sun wheel is too low to provide a sufficient amount of torque. In most cases, the ratio is an integer value, and the teeth are evenly spaced. The gear mesh is then balanced to grade 2. The carrier is measured three-dimensionally to detect the accuracy of the planet pin hole in the carrier.
In the simplest case, each planetary gear mesh produces a dynamic signal at its mesh frequency. These signals can cancel or reinforce in various ways. A helix angle, however, introduces axial forces into the gear mesh, which can be cancelled or reinforced in the same way as torques. As the helix angle is an integer number, this planetary gear model does not necessarily require infinite precision.
The resulting motion period is measured in rotational angles. This figure can be used to determine fault diagnosis and calculate the minimum data length required. It can also be used to calculate the kinematic motion of a faulty planet gear tooth. It is important to note that fault-mesh motion is not instantaneous, and therefore, it requires a sufficient amount of time to fully mesh a faulty planet gear.
The load-share factor is similar to that of spur and helical gearboxes, and can be used to calculate dynamic load sharing. When the load share factor is low, the individual gear meshes are slightly loaded. Deflections can vary, especially with high-precision gears. Therefore, the design process should incorporate the tolerance chain. This will ensure the correct ratio of gear mesh.
A planetary gearbox is a type of planetary gear system that is used in motors. It has a sun gear at the center and a set of outer gears. Each gear turns according to its axis around the sun. They are interconnected by a ring component and are connected to each other through a carrier. The carrier also includes the output shaft. And since the sun gear is centered, the mesh is standard.
As an added benefit, planetary gearboxes have sliding surfaces, which reduce noise and vibration. Despite the high-quality of planetary gearboxes, it is important to properly lubricate them to avoid wear and tear. CZPT uses CZPT. In order to make the planetary gearboxes last a long time, the lubricant is usually incorporated in the planetary gearbox.


editor by CX 2023-04-26
China best High Precision 750W Servo Motor Speed Planetary Reducer Gear Box planetary gearbox backdrive
Product Description
High Precision 750W Servo Motor Speed Planetary Reducer 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 Parameters
Characteristics:
1.Output threaded connection, standard installation,universal usage;
2.Single cantilever structure.simple design,economic price;
3.Working steady. Low noise;
4.Round flange output,threaded reverse connection,standardized size;
5.Keyway can be opened in the force shaft;
6.The output connection specifications are complete and there are many choices;
7.Low backlash. Can suit most occasion;
8.Speed ratio range:3-100;
9.Precision range:8-16arcmin;
10.Size range:60-160mm.
| Specifications | PRN60 | PRN80 | PRN90 | PRN120 | PRN160 | |||
| Technal Parameters | ||||||||
| Max. Torque | Nm | 1.5times rated torque | ||||||
| Emergency Stop Torque | Nm | 2.5times rated torque | ||||||
| Max. Radial Load | N | 240 | 400 | 450 | 1240 | 2250 | ||
| Max. Axial Load | N | 220 | 420 | 430 | 1000 | 1500 | ||
| Torsional Rigidity | Nm/arcmin | 1.8 | 4.7 | 4.85 | 11 | 35 | ||
| Max.Input Speed | rpm | 8000 | 6000 | 6000 | 6000 | 4000 | ||
| Rated Input Speed | rpm | 4000 | 3500 | 3500 | 3500 | 3000 | ||
| Noise | dB | ≤58 | ≤60 | ≤60 | ≤65 | ≤70 | ||
| Average Life Time | h | 20000 | ||||||
| Efficiency Of Full Load | % | L1≥96% L2≥94% | ||||||
| Return Backlash | P1 | L1 | arcmin | ≤8 | ≤8 | ≤8 | ≤8 | ≤8 |
| L2 | arcmin | ≤12 | ≤12 | ≤12 | ≤12 | ≤12 | ||
| P2 | L1 | arcmin | ≤16 | ≤16 | ≤16 | ≤16 | ≤16 | |
| L2 | arcmin | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 |
| 4 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 | ||
| 5 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 | ||
| 7 | Kg*cm2 | 0.41 | 0.65 | 1.42 | 11.38 | 34.02 | ||
| 10 | Kg*cm2 | 0.41 | 0.65 | 1.42 | 11.38 | 34.02 | ||
| L2 | 12 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | |
| 15 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 16 | Kg*cm2 | 0.72 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 20 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 25 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 28 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 30 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 35 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 40 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 50 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| 70 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| 100 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| Technical Parameter | Level | Ratio | PRN60 | PRN80 | PRN90 | PRN120 | PRN160 | |
| Rated Torque | L1 | 3 | Nm | 27 | 50 | 96 | 161 | 364 |
| 4 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 5 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 7 | Nm | 34 | 48 | 95 | 170 | 358 | ||
| 10 | Nm | 16 | 22 | 56 | 86 | 210 | ||
| L2 | 12 | Nm | 27 | 50 | 96 | 161 | 364 | |
| 15 | Nm | 27 | 50 | 96 | 161 | 364 | ||
| 16 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 20 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 25 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 28 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 30 | Nm | 27 | 50 | 96 | 161 | 364 | ||
| 35 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 40 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 50 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 70 | Nm | 34 | 48 | 95 | 170 | 358 | ||
| 100 | Nm | 16 | 22 | 56 | 86 | 210 | ||
| Degree Of Protection | IP65 | |||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | ||||||
| Weight | L1 | kg | 0.95 | 2.27 | 3.06 | 6.93 | 15.5 | |
| L2 | kg | 1.2 | 2.8 | 3.86 | 8.98 | 17 | ||
Model Selection:
Company Profile
Packaging & Shipping
1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Manipulator |
|---|---|
| Function: | Change Drive Torque, Change Drive Direction, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Single-Step |
| Samples: |
US$ 116/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

What is a Planetary Gearbox?
A planetary gearbox is a mechanical device in which the teeth of a planet mesh with the teeth of its sun or ring. The number of teeth and the spacing of planets will determine whether the teeth mesh correctly. In this article, we will learn more about planetary gearboxes. Besides understanding their working, you can also learn how to design your own. Here are some examples:
planetary gearboxes
If your car has an automatic transmission, then a planetary gearbox is the type you have. It is possible to find out if you have this type of gearbox by consulting the owner’s manual, calling the service department of your car’s manufacturer, or conducting a search using your favorite search engine. However, planetary gears are more complex and have many more components than standard gearboxes. The following information will explain more about this type of gearbox.
Planetary gearboxes use three different gear types to transmit torque. The sun gear sits in the center of the gear assembly, while the other gears rotate around it. A carrier connects the two gears, and is designed to set the spacing between them. When the gears are rotated, the carrier will spin, enabling the entire assembly to work together. The carrier also incorporates the output shaft. For this gearbox to work effectively, it must meet the application’s requirements.
There are three main types of planetary gearboxes: the basic model is highly efficient and transmits 97% of the power input. The earliest models are not complex, but they do have some key differences. Some of these differences make them ideal for various applications. For example, a planetary gearbox can operate in alternating and continuous operation, with the output support having internal grooving. Some designs have more than one output shaft, allowing the user to choose the configuration and torque that is best for their application.
One of the main differences between a planetary gearbox and a conventional one is the way the planetary parts move. A planetary gearbox may have multiple axes for increased torque. A planetary gearbox can provide a torque up to 113,000 N.m. by rotating its maximum teeth simultaneously. They are the ideal choice for space-constrained applications. For instance, a car with small spaces can install one with ease.
A planetary gearbox’s gear ratio is determined by the ratio of the sun gear to the ring gear. The number of teeth on the sun gear is a way to adjust the gear ratio. Smaller sun gears result in larger planetary gear ratios, while larger ones cause a decrease in torque. The ratio between planetary gears ranges from 3:1 to 10:1, with the lowest ratio being three. The greatest possible ratio is 10:1.
A planetary gearbox has many benefits. The compact design makes them a more efficient choice for small motors and is advantageous for servo functions. Planetary gearboxes have low inertia, which is an important factor, especially in servo applications, since the inertia of the gearbox adds to the motor’s load inertia. The planetary gearboxes are typically lubricated with grease or oil, so you don’t need to worry about re-lubrication or maintenance.
planetary gearboxes with output shaft
The advantages of planetary gearboxes are numerous. They are widely used in many applications, from automobiles to medical equipment, goods & personnel lifts to machine tools. They are also used in derrick & dockyard cranes and slewing drives. These gearboxes are available in various sizes and shapes, ranging from small to extremely large. There are many different types, and each is designed to suit its intended use.
The LP generation 3 gearhead series combines maximum quality with economic precision in a low-backlash planetary gearbox. The output shaft version is especially suited for high-speed, highly dynamic cyclic operation. Another version is the SP+ HIGH SPEED. The SP+ high-speed version is designed to achieve maximum speeds while in continuous operation. If you need a planetary gearbox with an output shaft, look no further. It is the best choice for many applications.
As the name suggests, a planetary gearbox incorporates planetary parts and an output shaft. The outer gears (also called the planetary gears) are connected by a carrier to the output shaft. The carrier is then connected to the output shaft by a ring. There are two or more planetary gears inside the planetary gearbox. Each gear is connected to a carrier, which is connected to the output shaft.
An epicyclic planetary gear train can be assembled so that the planet gear rolls around the sun gear. In the wheel drive planetary gearbox, the planetary gears are grouped over the housing to optimize the size and weight of the system. The planetary gear train can handle torques as high as 332,000 N.m., with the ring gear being fixed while the sun gear is movable.
Another advantage of a planetary gearbox is that it uses many teeth at once. This allows for high speed reduction and high torque transmission, and it is extremely compact. Planetary gearboxes with output shaft are ideal for space-constrained applications. Their compact size and minimal weight make them a popular choice in many industries. They are also known as epicyclic gears and are used in many different types of machines.
A planetary gearbox can have three components. A central sun gear, an outer ring known as the inner gear, and an output shaft. These three components are linked by a carrier. The carrier rotates so that the input and output gears are in sync. They also have a standard gap between the gears. The carrier also acts as the output shaft. They can be used to create small machines, such as a bicycle acceleration hub.
planetary gearboxes with integer number of teeth
When designing a planetary gearbox, one must determine the amount of tooth count. This figure is known as the mesh load factor Kg, and is based on the normal tooth forces that are generated in each mesh. The number of planets, the error in the gear design, and the rigidity of the housing all affect Kg. Depending on the type of application, Kg can be calculated by using different standards.
In a typical planetary gearbox, the ratio is an integer number, and the lowest is 3:1. At a ratio of 10, the sun gear is too large and the sun wheel is too low to provide a sufficient amount of torque. In most cases, the ratio is an integer value, and the teeth are evenly spaced. The gear mesh is then balanced to grade 2. The carrier is measured three-dimensionally to detect the accuracy of the planet pin hole in the carrier.
In the simplest case, each planetary gear mesh produces a dynamic signal at its mesh frequency. These signals can cancel or reinforce in various ways. A helix angle, however, introduces axial forces into the gear mesh, which can be cancelled or reinforced in the same way as torques. As the helix angle is an integer number, this planetary gear model does not necessarily require infinite precision.
The resulting motion period is measured in rotational angles. This figure can be used to determine fault diagnosis and calculate the minimum data length required. It can also be used to calculate the kinematic motion of a faulty planet gear tooth. It is important to note that fault-mesh motion is not instantaneous, and therefore, it requires a sufficient amount of time to fully mesh a faulty planet gear.
The load-share factor is similar to that of spur and helical gearboxes, and can be used to calculate dynamic load sharing. When the load share factor is low, the individual gear meshes are slightly loaded. Deflections can vary, especially with high-precision gears. Therefore, the design process should incorporate the tolerance chain. This will ensure the correct ratio of gear mesh.
A planetary gearbox is a type of planetary gear system that is used in motors. It has a sun gear at the center and a set of outer gears. Each gear turns according to its axis around the sun. They are interconnected by a ring component and are connected to each other through a carrier. The carrier also includes the output shaft. And since the sun gear is centered, the mesh is standard.
As an added benefit, planetary gearboxes have sliding surfaces, which reduce noise and vibration. Despite the high-quality of planetary gearboxes, it is important to properly lubricate them to avoid wear and tear. CZPT uses CZPT. In order to make the planetary gearboxes last a long time, the lubricant is usually incorporated in the planetary gearbox.


editor by CX 2023-04-25