Product Description
High Torque Low Noise Ratio 3-100 Motor Planetary Gearboxes (PRN80-L2)
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
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.Backlash 8-16 arcmin. Can suit most occasion.
Product Parameters
| 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 | ||
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/ TNT/ EMS/ FEDEX
/* October 22, 2571 15:47:17 */(()=>{function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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

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

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


editor by lmc 2024-11-29
China Best Sales Low Backlash High Torque Ratio 40: 1 Planetary Gearboxes planetary gearbox efficiency
Product Description
Low Backlash High Torque Ratio 40:1 Planetary Gearboxes
The high-precision planetary gearbox adopts spur gear design, and is used in various control transmission fields with servo motors, such as precision machine tools, laser cutting equipment, battery processing equipment, etc. It has the advantages of large torsional rigidity and large output torque.
Product Description
Characteristic:
1.With bevel gear reversing mechanism,right angle steering output is realized;
2.Square flange output,standard size;
3.The input specification are complete and there are many choices;
4.Spur transmission ,single cantilever structurer,design simple,high cost performance;
5.Keyway can be opened in the force shaft;
6.stable operation,low noise;
7.Size range:60-120mm
8.Ratio range:3-100;
9.Backlash:8-16arcmin;
10.Support custom according to drawings or samples
Product Parameters
| Specifications | PVFN60 | PVFN90 | PVFN120 | |||
| Technal Parameters | ||||||
| Max. Torque | Nm | 1.5times rated torque | ||||
| Emergency Stop Torque | Nm | 2.5times rated torque | ||||
| Max. Radial Load | N | 240 | 450 | 1240 | ||
| Max. Axial Load | N | 220 | 430 | 1000 | ||
| Torsional Rigidity | Nm/arcmin | 1.8 | 4.85 | 11 | ||
| Max.Input Speed | rpm | 8000 | 6000 | 6000 | ||
| Rated Input Speed | rpm | 4000 | 3500 | 3500 | ||
| Noise | dB | ≤58 | ≤60 | ≤65 | ||
| Average Life Time | h | 20000 | ||||
| Efficiency Of Full Load | % | L1≥95% L2≥92% | ||||
| Return Backlash | P1 | L1 | arcmin | ≤8 | ≤8 | ≤8 |
| L2 | arcmin | ≤12 | ≤12 | ≤12 | ||
| P2 | L1 | arcmin | ≤16 | ≤16 | ≤16 | |
| L2 | arcmin | ≤20 | ≤20 | ≤20 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.46 | 1.73 | 12.78 |
| 4 | Kg*cm2 | 0.46 | 1.73 | 12.78 | ||
| 5 | Kg*cm2 | 0.46 | 1.73 | 12.78 | ||
| 7 | Kg*cm2 | 0.41 | 1.42 | 11.38 | ||
| 10 | Kg*cm2 | 0.41 | 1.42 | 11.38 | ||
| L2 | 12 | Kg*cm2 | 0.44 | 1.49 | 12.18 | |
| 15 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 16 | Kg*cm2 | 0.72 | 1.49 | 12.18 | ||
| 20 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 25 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 28 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 30 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 35 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 40 | Kg*cm2 | 0.44 | 1.49 | 12.18 | ||
| 50 | Kg*cm2 | 0.34 | 1.25 | 11.48 | ||
| 70 | Kg*cm2 | 0.34 | 1.25 | 11.48 | ||
| 100 | Kg*cm2 | 0.34 | 1.25 | 11.48 | ||
| Technical Parameter | Level | Ratio | PVFN60 | PVFN90 | PVFN120 | |
| Rated Torque | L1 | 3 | Nm | 27 | 96 | 161 |
| 4 | Nm | 40 | 122 | 210 | ||
| 5 | Nm | 40 | 122 | 210 | ||
| 7 | Nm | 34 | 95 | 170 | ||
| 10 | Nm | 16 | 56 | 86 | ||
| L2 | 12 | Nm | 27 | 96 | 161 | |
| 15 | Nm | 27 | 96 | 161 | ||
| 16 | Nm | 40 | 122 | 210 | ||
| 20 | Nm | 40 | 122 | 210 | ||
| 25 | Nm | 40 | 122 | 210 | ||
| 28 | Nm | 40 | 122 | 210 | ||
| 30 | Nm | 27 | 96 | 161 | ||
| 35 | Nm | 40 | 122 | 210 | ||
| 40 | Nm | 40 | 122 | 210 | ||
| 50 | Nm | 40 | 122 | 210 | ||
| 70 | Nm | 34 | 95 | 170 | ||
| 100 | Nm | 16 | 56 | 86 | ||
| Degree Of Protection | IP65 | |||||
| Operation Temprature | ºC | – 10ºC to -90ºC | ||||
| Weight | L1 | kg | 1.7 | 4.4 | 12 | |
| L2 | kg | 1.9 | 5 | 14 | ||
Company Profile
Packaging & Shipping
1. Lead time: 10-15 days as usual, 30 days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ EMS/ UPS/ TNT/ FEDEX
FAQ
1. who are we?
CZPT Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc
4. why should you buy from us not from other suppliers?
We are a 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts
5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese
/* 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(/(.*?):(.*)$/))&&1
| Application: | Industrial |
|---|---|
| Speed: | Low Speed |
| Function: | Driving |
| Casing Protection: | Closed Type |
| Number of Poles: | 2 |
| Starting Mode: | Direct on-line Starting |
| Samples: |
US$ 106/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Benefits of a Planetary Gearbox With Output Shaft
The output shaft of a Planetary Gearbox connects to the driven wheels, while the input shaft comes from the engine. These gears are interlinked and create a wide range of gear reductions, which are necessary to get a vehicle rolling comfortably. Gear reductions are the place where the various “gears” are located. Here are some examples. They can help you determine what you need for your vehicle. You might also want to learn about planetary gears.
Planetary gearboxes
Modern cars are most likely equipped with planetary gearboxes. If you’re unsure if your vehicle uses planetary gears, you should first consult your car’s owner’s manual. If not, contact your dealership’s service department for more information. Otherwise, you can do a quick search on the internet to find out whether your car has a planetary gearbox. These gearboxes are generally more complex than ordinary gears. Additionally, they are equipped with more parts and require lubrication.
In addition to their low noise levels, planetary gearboxes are also remarkably efficient at transmission. These features make them ideal for applications requiring high torque and small footprints. Unfortunately, there are many different types of planetary gearboxes on the market, making it difficult to find the right one. The following article will give you some guidelines to help you choose the right planetary gearbox for your needs. Let’s take a look!
Planetary gears
A planetary gearbox has two main components: the sun gear (also known as the central or input) and the planet gears (also known as outer or peripheral). These gears are connected together by a carrier to the output shaft of the machine. In some applications, it is necessary to use a planetary gearbox with lubrication to prevent wear and tear. A planetary gearbox also has a small ring gear that helps hold the planet gears together.
The main advantage of a planetary gearbox is that it uses several teeth that engage at once, allowing for high-speed reduction with a small number of gears. Because the gears are relatively small, they have lower inertia than their larger counterparts. Planetary gearboxes are compact, which makes them popular for space-constrained applications. Because of their compact size and efficiency, planetary gearboxes are also commonly used in motor vehicles.
Planetary gearboxes with output shaft
For high-speed, dynamic applications, planetary gearbox units with output shaft provide the optimal solution. Thanks to their low inertia, these gearheads deliver superior performance in many industrial applications. Additionally, their wide range of variants allows users to select the perfect product for their application. This article examines some of the key benefits of planetary gearboxes with output shaft. Read on to learn more.
The planetary gearbox has two major components: a sun gear and planet gears. The sun gear is usually the input gear, while the planet gears are located at the outer edges of the system casing. Planet gears are held together by a carrier that is connected to the output shaft. Before choosing a particular gearbox for your application, make sure that you check the specific requirements and the environment to which the unit will be subjected.
A planetary gearbox has less stages of gears, and thus lower backlash compared to spur gearboxes. Backlash is lost motion that occurs when the teeth of the gears are out of perfect alignment. This problem is common in all gears, but is significantly less in planetary gearboxes. As such, planetary gearboxes are more efficient. They can also be customized according to the specific engine model and motor flange.
Planetary gearboxes with carrier
A planetary gearbox is a type of gearbox with three or more stages. They have a sun gear, which is usually the input gear, and planet gears, also called the outer gears. The carrier that connects the planet gears to the output shaft is called a ring gear. A planetary gearbox is generally designed to meet specific application and environmental requirements, but there are some factors to consider when choosing one.
The compact footprint of planetary gear sets results in high heat dissipation. This can be a problem in applications with sustained performance or high speeds. As a result, planetary gear sets often include lubricants, which present a cooling effect while also reducing noise and vibration. Some planetary gears even feature a carrier to make the installation process easier. Here are some things to keep in mind when choosing a planetary gear set.
Planetary gearboxes with carrier have several advantages over other types of gearboxes. Unlike conventional gearboxes, planetary gears have a common central shaft, and the tangential forces between the gears cancel out at the center of the ring gear. Because of this, planetary gearboxes are commonly used in input/output applications, and their compact size allows for a wide range of gear reductions. These gears can also produce higher torque density.
Planetary gearboxes with traction
Planetary gears are similar to the planetary system, in that each pinion rotates around a sun gear. The output of the planetary gear unit is lower than the drive rotation speed, but the torque is higher. As the number of planet gear wheels increases, so does the torque. Planetary gear systems contain three to four planet gears, and each is in constant mesh with the others. Power applied to any one member rotates the entire assembly.
Typical applications for planetary gear sets include high-precision motion control. In these applications, high torque, torsional stiffness, and low backlash are required. Planetary gear sets are also ideal for motors with higher speeds. A number of factors contribute to the reliability of these devices. The low backlash and large torque capacity of a planetary gear motor allow them to be used in a wide range of applications.
Planetary gearboxes with electric motors
If you’re in the market for a new gearbox, you may have already heard about planetary gearboxes. The planetary gearbox is a high-efficiency, low-noise gearbox. CZPT manufactures high-torque planetary gearboxes with low backlash. They also make economy planetary gearboxes for lower loads. However, with so many different types available, choosing the right one for your needs can be challenging.
These planetary gearboxes are a compact alternative to conventional pinion-and-gear reducers. They offer high-speed reduction and high torque transfer, and are often used for space-constrained applications. But before you can understand how they work, you’ll need to understand a little about their construction. There are a few things to look for that you may not have noticed before.
The most common type of planetary gearbox is a PM81/LN. It features a set of DC brush motors with diameter 77mm, a stator, and two or more outer gears. Each of these gears is connected to an output shaft through a carrier. They can also be used with brakes, encoders, or a clutch. A planetary gearbox is one of the most reliable gearbox types on the market.
Planetary gearboxes with hydraulic motors
A planetary gearbox is a combination of two gears, the sun and the planets. The sun gear rotates at high speed, while the planets roll around and orbit around the ring gear. The output shaft has the same direction of rotation as the input shaft. The benefits of a planetary gearbox include high reduction ratios, efficiency, space-saving compactness, and higher overload capacity. These gears are also more stable and compact, and they do not suffer from self-locking properties.
Planetary gearboxes are a highly efficient way to power hydraulic lifts. They can be input via electric, hydraulic, or air motors. The drive arrangement can be mounted on a bare shaft, splined shaft, or a parallel keyed input shaft. Depending on the application, bespoke gearboxes can be manufactured with a variety of features and functions.
Planetary gearboxes with combustion engines
There are many different applications of planetary gear sets. The most common is the distribution of power between two wheels in a car’s drive axle. Four-wheel drives use two axle differentials, which are further augmented by a centre differential. Hybrid electric vehicles use summation gearboxes to distribute power from the combustion engine to the wheels and to an electric motor. Planetary gear sets also combine the two different types of motors to form one hybrid vehicle.
To understand how planetary gear sets work, it is important to understand the underlying mechanical principles. For example, Fig. 4.6 shows a stick diagram illustrating two planetary gear sets connected by a lever. The two levers are the same length, so the system is analogous to a single lever. When calculating the torque, it is essential to consider the lever diagram. Similarly, if two gear sets are connected by vertical links, the horizontal links must be horizontal.


editor by Dream 2024-05-16
China best High Torque Low Noise 1500W Servo Motor Planetary Gearboxes compound planetary gearbox
Product Description
High Torque Low Noise 1500W Servo Motor 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: 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(/(.*?):(.*)$/))&&1
| Application: | Industrial |
|---|---|
| Speed: | Low Speed |
| Function: | Driving |
| Casing Protection: | Closed Type |
| Starting Mode: | Direct on-line Starting |
| Certification: | ISO9001 |
| Samples: |
US$ 227/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Benefits of a Planetary Gearbox With Output Shaft
The output shaft of a Planetary Gearbox connects to the driven wheels, while the input shaft comes from the engine. These gears are interlinked and create a wide range of gear reductions, which are necessary to get a vehicle rolling comfortably. Gear reductions are the place where the various “gears” are located. Here are some examples. They can help you determine what you need for your vehicle. You might also want to learn about planetary gears.
Planetary gearboxes
Modern cars are most likely equipped with planetary gearboxes. If you’re unsure if your vehicle uses planetary gears, you should first consult your car’s owner’s manual. If not, contact your dealership’s service department for more information. Otherwise, you can do a quick search on the internet to find out whether your car has a planetary gearbox. These gearboxes are generally more complex than ordinary gears. Additionally, they are equipped with more parts and require lubrication.
In addition to their low noise levels, planetary gearboxes are also remarkably efficient at transmission. These features make them ideal for applications requiring high torque and small footprints. Unfortunately, there are many different types of planetary gearboxes on the market, making it difficult to find the right one. The following article will give you some guidelines to help you choose the right planetary gearbox for your needs. Let’s take a look!
Planetary gears
A planetary gearbox has two main components: the sun gear (also known as the central or input) and the planet gears (also known as outer or peripheral). These gears are connected together by a carrier to the output shaft of the machine. In some applications, it is necessary to use a planetary gearbox with lubrication to prevent wear and tear. A planetary gearbox also has a small ring gear that helps hold the planet gears together.
The main advantage of a planetary gearbox is that it uses several teeth that engage at once, allowing for high-speed reduction with a small number of gears. Because the gears are relatively small, they have lower inertia than their larger counterparts. Planetary gearboxes are compact, which makes them popular for space-constrained applications. Because of their compact size and efficiency, planetary gearboxes are also commonly used in motor vehicles.
Planetary gearboxes with output shaft
For high-speed, dynamic applications, planetary gearbox units with output shaft provide the optimal solution. Thanks to their low inertia, these gearheads deliver superior performance in many industrial applications. Additionally, their wide range of variants allows users to select the perfect product for their application. This article examines some of the key benefits of planetary gearboxes with output shaft. Read on to learn more.
The planetary gearbox has two major components: a sun gear and planet gears. The sun gear is usually the input gear, while the planet gears are located at the outer edges of the system casing. Planet gears are held together by a carrier that is connected to the output shaft. Before choosing a particular gearbox for your application, make sure that you check the specific requirements and the environment to which the unit will be subjected.
A planetary gearbox has less stages of gears, and thus lower backlash compared to spur gearboxes. Backlash is lost motion that occurs when the teeth of the gears are out of perfect alignment. This problem is common in all gears, but is significantly less in planetary gearboxes. As such, planetary gearboxes are more efficient. They can also be customized according to the specific engine model and motor flange.
Planetary gearboxes with carrier
A planetary gearbox is a type of gearbox with three or more stages. They have a sun gear, which is usually the input gear, and planet gears, also called the outer gears. The carrier that connects the planet gears to the output shaft is called a ring gear. A planetary gearbox is generally designed to meet specific application and environmental requirements, but there are some factors to consider when choosing one.
The compact footprint of planetary gear sets results in high heat dissipation. This can be a problem in applications with sustained performance or high speeds. As a result, planetary gear sets often include lubricants, which present a cooling effect while also reducing noise and vibration. Some planetary gears even feature a carrier to make the installation process easier. Here are some things to keep in mind when choosing a planetary gear set.
Planetary gearboxes with carrier have several advantages over other types of gearboxes. Unlike conventional gearboxes, planetary gears have a common central shaft, and the tangential forces between the gears cancel out at the center of the ring gear. Because of this, planetary gearboxes are commonly used in input/output applications, and their compact size allows for a wide range of gear reductions. These gears can also produce higher torque density.
Planetary gearboxes with traction
Planetary gears are similar to the planetary system, in that each pinion rotates around a sun gear. The output of the planetary gear unit is lower than the drive rotation speed, but the torque is higher. As the number of planet gear wheels increases, so does the torque. Planetary gear systems contain three to four planet gears, and each is in constant mesh with the others. Power applied to any one member rotates the entire assembly.
Typical applications for planetary gear sets include high-precision motion control. In these applications, high torque, torsional stiffness, and low backlash are required. Planetary gear sets are also ideal for motors with higher speeds. A number of factors contribute to the reliability of these devices. The low backlash and large torque capacity of a planetary gear motor allow them to be used in a wide range of applications.
Planetary gearboxes with electric motors
If you’re in the market for a new gearbox, you may have already heard about planetary gearboxes. The planetary gearbox is a high-efficiency, low-noise gearbox. CZPT manufactures high-torque planetary gearboxes with low backlash. They also make economy planetary gearboxes for lower loads. However, with so many different types available, choosing the right one for your needs can be challenging.
These planetary gearboxes are a compact alternative to conventional pinion-and-gear reducers. They offer high-speed reduction and high torque transfer, and are often used for space-constrained applications. But before you can understand how they work, you’ll need to understand a little about their construction. There are a few things to look for that you may not have noticed before.
The most common type of planetary gearbox is a PM81/LN. It features a set of DC brush motors with diameter 77mm, a stator, and two or more outer gears. Each of these gears is connected to an output shaft through a carrier. They can also be used with brakes, encoders, or a clutch. A planetary gearbox is one of the most reliable gearbox types on the market.
Planetary gearboxes with hydraulic motors
A planetary gearbox is a combination of two gears, the sun and the planets. The sun gear rotates at high speed, while the planets roll around and orbit around the ring gear. The output shaft has the same direction of rotation as the input shaft. The benefits of a planetary gearbox include high reduction ratios, efficiency, space-saving compactness, and higher overload capacity. These gears are also more stable and compact, and they do not suffer from self-locking properties.
Planetary gearboxes are a highly efficient way to power hydraulic lifts. They can be input via electric, hydraulic, or air motors. The drive arrangement can be mounted on a bare shaft, splined shaft, or a parallel keyed input shaft. Depending on the application, bespoke gearboxes can be manufactured with a variety of features and functions.
Planetary gearboxes with combustion engines
There are many different applications of planetary gear sets. The most common is the distribution of power between two wheels in a car’s drive axle. Four-wheel drives use two axle differentials, which are further augmented by a centre differential. Hybrid electric vehicles use summation gearboxes to distribute power from the combustion engine to the wheels and to an electric motor. Planetary gear sets also combine the two different types of motors to form one hybrid vehicle.
To understand how planetary gear sets work, it is important to understand the underlying mechanical principles. For example, Fig. 4.6 shows a stick diagram illustrating two planetary gear sets connected by a lever. The two levers are the same length, so the system is analogous to a single lever. When calculating the torque, it is essential to consider the lever diagram. Similarly, if two gear sets are connected by vertical links, the horizontal links must be horizontal.


editor by Dream 2024-05-07
China Professional Ple Plf Series High Precision Large Torque Planetary Gearbox Planetary Gearboxes Adapt for Servo Motors with Good quality
Product Description
High precision PLF PLE series Planetary Gearbox for flange Servo Motor
| Product name | Precision Planetary Reducer |
| Model No. | AB42-AB220 |
| Layout form | Planetary structure |
| Speed ratio | 3-512 |
| Output torque | 20-1500N.M |
| Power | 50W~30KW |
| Input speed | 0~4000RPM |
| Output speed | 0~1300RPM |
| Output type | Shaft type |
| Installation | Flange mounting |
Description of planetary gearbox:
es: PLE, PLF
2) Gearbox outline dimension: 60, 80, 90,120, 160
3) Reduction ratio: 3, 4, 5, 7, 10, 9, 12, 16, 20, 28, 35, 40, 50,64, 70, 80, 100, 125, 140, 175,200, 250, 350, 400,500,700,1000.
4) Lubrication: Lifetime lubrication
5) Input speed: 3000- 8000rpm
6) Life: >20, 000 hours
7) Backlash: Stage 1: <10(arcmin)
Stage 2: <15(arcmin)
Stage 3: <22 (arcmin)
8) Operating temperature: -25°C to +90°C
Low backlash Planetary Gearbox for ECMA CZPT Servo Motor Main Features:
1. low backlash
2. high output torque-the industry’s highest torque density
3. balanced motor pinion
4. high efficiency(up to 98%)
5. ratio 3:1 to 1000:1
6. low noise
7. operable in any mounting positions
8. lifetime lubrication
Detailed Image
ParametersPLE planetary gearbox for servo motor
|
Model |
PLE /PLF SERIES |
|
Model |
PLE /PLF 60, 80, 90, 120, 160 |
|
4 optional sizes |
60mm, 90mm, 120mm, 160mm |
|
Rated Torque |
8.5N.m-680N.m |
|
Gear Ratio One-stage |
3, 4, 5, 7, 10 |
|
Gear Ratio Two-stage |
12, 16, 20, 25, 28, 35, 40, 50, 70 |
|
Gear Ratio Three-stage |
80, 100, 125, 140, 175, 200, 250, 280, 350 |
Note : It’s just the typical technical data for you reference, The specification such as voltage, speed, torque, shaft ,speed ratio can customized.
Product Overview
PRODUCT SPECIFICAT
PLE series spur gear planetary gear motor
Product application scenarios
Product Description
Precision planetary gear reducer is another name for planetary gear reducer in the industry. Its main transmission structure is planetary gear, sun gear and inner gear ring.
Compared with other gear reducers, precision planetary gear reducers have the characteristics of high rigidity, high precision (single stage can achieve less than 1 point), high transmission efficiency (single stage can achieve 97% – 98%), high torque/volume ratio, lifelong maintenance-free, etc. Most of them are installed on stepper motor and servo motor to reduce speed, improve torque and match inertia.
Company Profile
/* 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(/(.*?):(.*)$/))&&1
| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Gear Shape: | Planetary |
| Step: | Single-Step |
| Type: | Gear Reducer |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|

Planetary Gearbox Advantages and Disadvantages
A planetary gearbox is a type of mechanical drive with a single output shaft. They are suitable for both clockwise and counterclockwise rotations, have less inertia, and operate at higher speeds. Here are some advantages and disadvantages of this type of gearbox. Let us see what these advantages are and why you should use them in your applications. Listed below are some of the benefits of planetary gearboxes.
Suitable for counterclockwise and clockwise rotation
If you want to teach children about the clock hands, you can buy some resources for counterclockwise and asymmetrical rotation. These resources include worksheets for identifying degrees of rotation, writing rules for rotation, and visual processing. You can also use these resources to teach angles. For example, the translation of shapes activity pack helps children learn about the rotation of geometric shapes. Similarly, the visual perception activity sheet helps children understand how to process information visually.
Various studies have been done to understand the anatomical substrate of rotations. In a recent study, CZPT et al. compared the position of the transitional zone electrocardiographically and anatomically. The authors found that the transitional zone was normal in nine of 33 subjects, indicating that rotation is not a sign of disease. Similarly, a counterclockwise rotation may be caused by a genetic or environmental factor.
The core tip data should be designed to work in both clockwise and counterclockwise rotation. Counterclockwise rotation requires a different starting point than a clockwise rotation. In North America, star-delta starting is used. In both cases, the figure is rotated about its point. Counterclockwise rotation, on the other hand, is done in the opposite direction. In addition, it is possible to create counterclockwise rotation using the same gimbal.
Despite its name, both clockwise and counterclockwise rotation requires a certain amount of force to rotate. When rotating clockwise, the object faces upwards. Counterclockwise rotation, on the other hand, starts from the top position and heads to the right. If rotating in the opposite direction, the object turns counterclockwise, and vice versa. The clockwise movement, in contrast, is the reverse of counterclockwise rotation.
Has less inertia
The primary difference between a planetary gearbox and a normal pinion-and-gear reducer is the ratio. A planetary gearbox will produce less inertia, which is an important advantage because it will reduce torque and energy requirements. The ratio of the planetary gearbox to its fixed axis counterpart is a factor of three. A planetary gearbox has smaller gears than a conventional planetary, so its inertia is proportional to the number of planets.
Planetary gears are less inertia than spur gears, and they share the load across multiple gear teeth. This means that they will have low backlash, and this is essential for applications with high start-stop cycles and frequent rotational direction changes. Another benefit is the high stiffness. A planetary gearbox will have less backlash than a spur gearbox, which means that it will be more reliable.
A planetary gearbox can use either spur or helical gears. The former provides higher torque ratings while the latter has less noise and stiffness. Both types of gears are useful in motorsports, aerospace, truck transmissions, and power generation units. They require more assembly time than a conventional parallel shaft gear, but the PD series is the more efficient alternative. PD series planetary gears are suitable for many applications, including servo and robotics.
In contrast, a planetary gear set can have varying input speed. This can affect the frequency response of the gearset. A mathematical model of the two-stage planetary gears has non-stationary effects and correlates with experimental findings. Fig. 6.3 shows an addendum. The dedendum’s minimum value is approximately 1.25m. When the dedendum is at its smallest, the dedendum has less inertia.
Offers greater reliability
The Planetary Gearbox is a better option for driving a vehicle than a standard spur gearbox. A planetary gearbox is less expensive, and they have better backlash, higher load capacity, and greater shock loads. Unlike spur gearboxes, however, mechanical noise is virtually nonexistent. This makes them more reliable in high-shock situations, as well as in a wide range of applications.
The Economy Series has the same power density and torque capacity of the Precision Helical Series, but it lacks the precision of the latter. In contrast, Economy Series planetary gearboxes feature straight spur planetary gearing, and they are used in applications requiring high torque. Both types of gearboxes are compatible with NEMA servo motors. If torque density is important, a planetary gearbox is the best choice.
The Dispersion of External Load: The SSI model has been extensively used to model the reliability of planetary gear systems. This model takes the contact force and fatigue strength of the system as generalized stress and strength. It also provides a theoretical framework to evaluate the reliability of planetary gear systems. It also has many other advantages that make it the preferred choice for high-stress applications. The Planetary Gearbox offers greater reliability and efficiency than traditional rack and pinion gear systems.
Planetary gearing has greater reliability and compact design. Its compact design allows for wider applications with concerns about space and weight. Additionally, the increased torque and reduction makes planetary gearboxes an excellent choice for a wide variety of applications. There are three major types of planetary gearboxes, each with its own advantages. This article describes a few of them. Once you understand their workings, you will be able to choose the best planetary gearbox for your needs.
Has higher operating speeds
When you look at planetary gearboxes, you might be confused about which one to choose. The primary issue is the application of the gearbox. You must also decide on secondary factors like noise level, corrosion resistance, construction, price, and availability worldwide. Some constructors work faster than others and deliver the gearboxes on the same day. However, the latter ones often deliver the planetary gearbox out of stock.
Compared to conventional gearboxes, a planetary gearbox can run at higher speeds when the input speed fluctuates. However, these gears are not very efficient in high-speed applications because of their increased noise levels. This makes planetary gears unsuitable for applications involving a great deal of noise. That is why most planetary gears are used in small-scale applications. There are some exceptions, but in general, a planetary gearbox is better suited for applications with higher operating speeds.
The basic planetary gearbox is a compact alternative to normal pinion-and-gear reducers. They can be used in a wide variety of applications where space and weight are concerns. Its efficiency is also higher, delivering 97% of the power input. It comes in three different types based on the performance. A planetary gearbox can also be classified as a worm gear, a spur gear, or a sprocket.
A planetary gearhead has a high-precision design and can generate substantial torque for their size. It also reduces backlash to two arc-min. Additionally, it is lubricated for life, which means no maintenance is needed. It can fit into a small machine envelope and has a small footprint. Moreover, the helical crowned gearing provides fast positioning. A sealed gearbox prevents abrasive dust from getting into the planetary gearhead.
Has drawbacks
The design of a planetary gearbox is compact and enables high torque and load capability in a small space. This gear arrangement also reduces the possibility of wear and tear. Planet gears are arranged in a planetary fashion, allowing gears to shift under load and a uniform distribution of torque. However, some disadvantages of planetary gears must be considered before investing in this gearbox.
While the planetary gearbox is a high precision motion-control device, its design and maintenance requirements are a concern. The bearing load is high, requiring frequent lubrication. Also, they are inaccessible. Despite these drawbacks, planetary gearboxes are suitable for a variety of tasks. They also have low backlash and high torsional stiffness, making them excellent choices for many applications.
As a result, the speed of a planetary gearbox varies with load and speed. At lower ratios, the sun gear becomes too large in relation to the planet gears. As the ratio increases, the sun gear will become too low, reducing torque. The planetary gears also reduce their torque in high-speed environments. Consequently, the ratio is a crucial consideration for planetary gearbox condition monitoring.
Excess drag may result from out-of-tolerance components or excessive lubrication. Drag should be measured both in directions and be within acceptable ranges. Grease and oil lubrication are two common planetary gearbox lubricants, but the choice is largely dependent on your application. While grease lubricates planetary gears well, oil needs maintenance and re-lubrication every few thousand hours.


editor by Dream 2024-04-22
China high quality High Torque Ab Series Planetary Gearbox Helical Bevel Planetary Speed Reducer Gearboxes with high quality
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.
AB series precision planetary gear box reducer AB60/90/115/142/180/220
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.
Product Description
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
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 |
Applications
Company Profile
Certifications
Packaging & Shipping
/* 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(/(.*?):(.*)$/))&&1
| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Gear Shape: | Planetary |
| Step: | Single-Step |
| Type: | Ab Series Gearbox, Gear Reducer |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|

Concept of Coaxial and Parallel Shaft Arrangements in Planetary Gearboxes
In planetary gearboxes, the arrangement of shafts plays a crucial role in determining the gearbox’s overall structure and functionality. The two common shaft arrangements are coaxial and parallel configurations:
Coaxial Shaft Arrangement: In a coaxial arrangement, the input shaft and output shaft are positioned along the same axis, resulting in a compact and streamlined design. The planetary gears and other components are aligned concentrically around the central axis, allowing for efficient power transmission and reduced space requirements. Coaxial planetary gearboxes are commonly used in applications where space is limited, and a compact form factor is essential. They are often employed in robotics, automotive systems, and aerospace mechanisms.
Parallel Shaft Arrangement: In a parallel arrangement, the input and output shafts are positioned parallel to each other but on different axes. The planetary gears are aligned in a way that allows the power to be transmitted from the input shaft to the output shaft via a combination of meshing gears. This arrangement allows for a larger gear diameter and higher torque transmission capabilities. Parallel planetary gearboxes are often used in applications requiring high torque and heavy-duty performance, such as industrial machinery, construction equipment, and material handling systems.
The choice between coaxial and parallel shaft arrangements depends on the specific requirements of the application. Coaxial configurations are favored for compactness and efficient power transmission, while parallel configurations excel in handling higher torque and heavy loads. Both arrangements offer distinct advantages and are chosen based on factors like available space, torque demands, load characteristics, and overall system design.

Enhancing Wind Turbine System Performance with Planetary Gearboxes
Planetary gearboxes play a crucial role in enhancing the performance and efficiency of wind turbine systems. Here’s how they contribute:
1. Speed Conversion: Wind turbines operate optimally at specific rotational speeds to generate electricity efficiently. Planetary gearboxes allow for speed conversion between the low rotational speed of the wind turbine rotor and the higher speed required by the generator. This speed adaptation ensures the generator operates at its peak efficiency, resulting in maximum power generation.
2. Torque Amplification: Wind turbine blades may experience varying wind speeds, which result in fluctuating torque loads. Planetary gearboxes can amplify the torque generated by the rotor blades before transmitting it to the generator. This torque multiplication helps maintain stable generator operation even during wind speed variations, improving overall energy production.
3. Compact Design: Wind turbines are often installed in locations with limited space, such as offshore platforms or densely populated areas. Planetary gearboxes offer a compact design, allowing for efficient power transmission within a small footprint. This compactness is vital for accommodating gearboxes in the limited nacelle space of the wind turbine.
4. Load Distribution: Wind turbines are subjected to varying wind conditions, including gusts and turbulence. Planetary gearboxes distribute the load evenly among multiple planet gears, reducing stress and wear on individual components. This balanced load distribution improves gearbox durability and reliability.
5. Efficiency Optimization: Planetary gearboxes are known for their high efficiency due to their parallel axis arrangement and multiple gear stages. The efficient power transmission minimizes energy losses within the gearbox, resulting in more power being converted from wind energy to electricity.
6. Maintenance and Reliability: The robust construction of planetary gearboxes contributes to their durability and longevity. Wind turbines often operate in challenging environments, and the reliability of the gearbox is crucial for minimizing maintenance and downtime. Planetary gearboxes’ low maintenance requirements and ability to handle varying loads contribute to the overall reliability of wind turbine systems.
7. Variable Speed Control: Some wind turbines use variable-speed operation to optimize power generation across a range of wind speeds. Planetary gearboxes can facilitate variable speed control by adjusting the gear ratio to match the wind conditions. This flexibility improves energy capture and reduces stress on turbine components.
8. Adaptation to Turbine Size: Planetary gearboxes are available in various sizes and gear ratios, making them adaptable to different turbine sizes and power outputs. This versatility allows wind turbine manufacturers to select gearboxes that align with specific project requirements.
Overall, planetary gearboxes play a pivotal role in optimizing the performance, efficiency, and reliability of wind turbine systems. Their ability to convert speed, amplify torque, and distribute loads makes them a key component in harnessing wind energy for clean and sustainable electricity generation.

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 2024-03-29
China best Low Price High Torque Zero Backlash Planetary Reduction Gearboxes with Good quality
Product Description
Low Price High Torque Zero Backlash Planetary Reduction Gearboxes
Nickel chromium molybdenum alloy steel gear is manufactured with carburizing heat treatment for high abrasion resistance and impact toughness and by honing process to increase gear precision and low noise operation.Internal gear bore uses needle roller to obtain higher abrasion resistance and strength.
Product Description
1. The spiral bevel gear reversing mechanism realizes right angle steering output
2. The installation distance of spiral bevel gear pair can be adjusted, and the working sound is lower
3. The grinding bevel gear pair can be selected, and the working sound is more stable and quiet
4. Integrated design, high precision and high rigidity
5. The double support cage planet carrier structure has high reliability and is suitable for high-speed and frequent CZPT and reverse rotation
6. Compared with the corresponding square fuselage series, it has the same performance and higher cost performance
7. Coupling meter, more connection options, keyway can be opened
8. Helical gear transmission, low return clearance and more accurate positioning
9.Size range:140-180 mm
10.Ratio range:3-100
11.Precision range:3-5arcmin (P1); 5-8arcmin (P2)
Product Parameters
| Specifications | PAR140 | PAR180 | |||
| Technal Parameters | |||||
| Max. Torque | Nm | 1.5times rated torque | |||
| Emergency Stop Torque | Nm | 2.5times rated torque | |||
| Max. Radial Load | N | 9400 | 14500 | ||
| Max. Axial Load | N | 4700 | 7250 | ||
| Torsional Rigidity | Nm/arcmin | 47 | 130 | ||
| Max.Input Speed | rpm | 6000 | 6000 | ||
| Rated Input Speed | rpm | 3000 | 3000 | ||
| Noise | dB | ≤68 | ≤68 | ||
| Average Life Time | h | 20000 | |||
| Efficiency Of Full Load | % | L1≥95% L2≥90% | |||
| Return Backlash | P1 | L1 | arcmin | ≤5 | ≤5 |
| L2 | arcmin | ≤7 | ≤7 | ||
| P2 | L1 | arcmin | ≤8 | ≤8 | |
| L2 | arcmin | ≤10 | ≤10 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 23.5 | 69.2 |
| 4 | Kg*cm2 | 21.5 | 68.6 | ||
| 5 | Kg*cm2 | 21.5 | 68.6 | ||
| 7 | Kg*cm2 | 21.5 | 68.6 | ||
| 8 | Kg*cm2 | 20.5 | / | ||
| 10 | Kg*cm2 | 20.1 | 66.2 | ||
| 14 | Kg*cm2 | / | 68.6 | ||
| 20 | Kg*cm2 | / | 68.6 | ||
| L2 | 25 | Kg*cm2 | 6.88 | 23.8 | |
| 30 | Kg*cm2 | 7.1 | 22.2 | ||
| 35 | Kg*cm2 | 6.88 | 22.2 | ||
| 40 | Kg*cm2 | 6.88 | 22.2 | ||
| 50 | Kg*cm2 | 6.88 | 22.2 | ||
| 70 | Kg*cm2 | 6.88 | 22.2 | ||
| 100 | Kg*cm2 | 6.34 | 21.6 | ||
| Technical Parameter | Level | Ratio | PAR140 | PAR180 | |
| Rated Torque | L1 | 3 | Nm | 360 | 880 |
| 4 | Nm | 480 | 1100 | ||
| 5 | Nm | 480 | 1100 | ||
| 7 | Nm | 480 | 1100 | ||
| 8 | Nm | 440 | / | ||
| 10 | Nm | 360 | 1100 | ||
| L2 | 14 | Nm | / | 1100 | |
| 20 | Nm | / | 1100 | ||
| 25 | Nm | 480 | 1100 | ||
| 30 | Nm | 360 | 880 | ||
| 35 | Nm | 480 | 1100 | ||
| 40 | Nm | 480 | 1100 | ||
| 50 | Nm | 480 | 1100 | ||
| 70 | Nm | 480 | 1100 | ||
| 100 | Nm | 360 | 1100 | ||
| Degree Of Protection | IP65 | ||||
| Operation Temprature | ºC | – 10ºC to -90ºC | |||
| Weight | L1 | kg | 20.8 | 41.9 | |
| L2 | kg | 26.5 | 54.8 | ||
Company Profile
Packaging & Shipping
1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT
FAQ
1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc
4. why should you buy from us not from other suppliers?
We are 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts
5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Textile Machinery |
|---|---|
| Function: | Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Single-Step |
| Samples: |
US$ 1215/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

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

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

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


editor by CX 2024-02-19
China Good quality High Torque Ab Series Planetary Gearbox Helical Bevel Planetary Speed Reducer Gearboxes calculate gear ratio planetary gearbox
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.
AB series precision planetary gear box reducer AB60/90/115/142/180/220
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.
Product Description
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
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 |
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) | |
|---|

Benefits of a Planetary Gearbox With Output Shaft
The output shaft of a Planetary Gearbox connects to the driven wheels, while the input shaft comes from the engine. These gears are interlinked and create a wide range of gear reductions, which are necessary to get a vehicle rolling comfortably. Gear reductions are the place where the various “gears” are located. Here are some examples. They can help you determine what you need for your vehicle. You might also want to learn about planetary gears.
Planetary gearboxes
Modern cars are most likely equipped with planetary gearboxes. If you’re unsure if your vehicle uses planetary gears, you should first consult your car’s owner’s manual. If not, contact your dealership’s service department for more information. Otherwise, you can do a quick search on the internet to find out whether your car has a planetary gearbox. These gearboxes are generally more complex than ordinary gears. Additionally, they are equipped with more parts and require lubrication.
In addition to their low noise levels, planetary gearboxes are also remarkably efficient at transmission. These features make them ideal for applications requiring high torque and small footprints. Unfortunately, there are many different types of planetary gearboxes on the market, making it difficult to find the right one. The following article will give you some guidelines to help you choose the right planetary gearbox for your needs. Let’s take a look!
Planetary gears
A planetary gearbox has two main components: the sun gear (also known as the central or input) and the planet gears (also known as outer or peripheral). These gears are connected together by a carrier to the output shaft of the machine. In some applications, it is necessary to use a planetary gearbox with lubrication to prevent wear and tear. A planetary gearbox also has a small ring gear that helps hold the planet gears together.
The main advantage of a planetary gearbox is that it uses several teeth that engage at once, allowing for high-speed reduction with a small number of gears. Because the gears are relatively small, they have lower inertia than their larger counterparts. Planetary gearboxes are compact, which makes them popular for space-constrained applications. Because of their compact size and efficiency, planetary gearboxes are also commonly used in motor vehicles.
Planetary gearboxes with output shaft
For high-speed, dynamic applications, planetary gearbox units with output shaft provide the optimal solution. Thanks to their low inertia, these gearheads deliver superior performance in many industrial applications. Additionally, their wide range of variants allows users to select the perfect product for their application. This article examines some of the key benefits of planetary gearboxes with output shaft. Read on to learn more.
The planetary gearbox has two major components: a sun gear and planet gears. The sun gear is usually the input gear, while the planet gears are located at the outer edges of the system casing. Planet gears are held together by a carrier that is connected to the output shaft. Before choosing a particular gearbox for your application, make sure that you check the specific requirements and the environment to which the unit will be subjected.
A planetary gearbox has less stages of gears, and thus lower backlash compared to spur gearboxes. Backlash is lost motion that occurs when the teeth of the gears are out of perfect alignment. This problem is common in all gears, but is significantly less in planetary gearboxes. As such, planetary gearboxes are more efficient. They can also be customized according to the specific engine model and motor flange.
Planetary gearboxes with carrier
A planetary gearbox is a type of gearbox with three or more stages. They have a sun gear, which is usually the input gear, and planet gears, also called the outer gears. The carrier that connects the planet gears to the output shaft is called a ring gear. A planetary gearbox is generally designed to meet specific application and environmental requirements, but there are some factors to consider when choosing one.
The compact footprint of planetary gear sets results in high heat dissipation. This can be a problem in applications with sustained performance or high speeds. As a result, planetary gear sets often include lubricants, which present a cooling effect while also reducing noise and vibration. Some planetary gears even feature a carrier to make the installation process easier. Here are some things to keep in mind when choosing a planetary gear set.
Planetary gearboxes with carrier have several advantages over other types of gearboxes. Unlike conventional gearboxes, planetary gears have a common central shaft, and the tangential forces between the gears cancel out at the center of the ring gear. Because of this, planetary gearboxes are commonly used in input/output applications, and their compact size allows for a wide range of gear reductions. These gears can also produce higher torque density.
Planetary gearboxes with traction
Planetary gears are similar to the planetary system, in that each pinion rotates around a sun gear. The output of the planetary gear unit is lower than the drive rotation speed, but the torque is higher. As the number of planet gear wheels increases, so does the torque. Planetary gear systems contain three to four planet gears, and each is in constant mesh with the others. Power applied to any one member rotates the entire assembly.
Typical applications for planetary gear sets include high-precision motion control. In these applications, high torque, torsional stiffness, and low backlash are required. Planetary gear sets are also ideal for motors with higher speeds. A number of factors contribute to the reliability of these devices. The low backlash and large torque capacity of a planetary gear motor allow them to be used in a wide range of applications.
Planetary gearboxes with electric motors
If you’re in the market for a new gearbox, you may have already heard about planetary gearboxes. The planetary gearbox is a high-efficiency, low-noise gearbox. CZPT manufactures high-torque planetary gearboxes with low backlash. They also make economy planetary gearboxes for lower loads. However, with so many different types available, choosing the right one for your needs can be challenging.
These planetary gearboxes are a compact alternative to conventional pinion-and-gear reducers. They offer high-speed reduction and high torque transfer, and are often used for space-constrained applications. But before you can understand how they work, you’ll need to understand a little about their construction. There are a few things to look for that you may not have noticed before.
The most common type of planetary gearbox is a PM81/LN. It features a set of DC brush motors with diameter 77mm, a stator, and two or more outer gears. Each of these gears is connected to an output shaft through a carrier. They can also be used with brakes, encoders, or a clutch. A planetary gearbox is one of the most reliable gearbox types on the market.
Planetary gearboxes with hydraulic motors
A planetary gearbox is a combination of two gears, the sun and the planets. The sun gear rotates at high speed, while the planets roll around and orbit around the ring gear. The output shaft has the same direction of rotation as the input shaft. The benefits of a planetary gearbox include high reduction ratios, efficiency, space-saving compactness, and higher overload capacity. These gears are also more stable and compact, and they do not suffer from self-locking properties.
Planetary gearboxes are a highly efficient way to power hydraulic lifts. They can be input via electric, hydraulic, or air motors. The drive arrangement can be mounted on a bare shaft, splined shaft, or a parallel keyed input shaft. Depending on the application, bespoke gearboxes can be manufactured with a variety of features and functions.
Planetary gearboxes with combustion engines
There are many different applications of planetary gear sets. The most common is the distribution of power between two wheels in a car’s drive axle. Four-wheel drives use two axle differentials, which are further augmented by a centre differential. Hybrid electric vehicles use summation gearboxes to distribute power from the combustion engine to the wheels and to an electric motor. Planetary gear sets also combine the two different types of motors to form one hybrid vehicle.
To understand how planetary gear sets work, it is important to understand the underlying mechanical principles. For example, Fig. 4.6 shows a stick diagram illustrating two planetary gear sets connected by a lever. The two levers are the same length, so the system is analogous to a single lever. When calculating the torque, it is essential to consider the lever diagram. Similarly, if two gear sets are connected by vertical links, the horizontal links must be horizontal.


editor by CX 2023-05-12
China Best Sales High Torque CZPT in-Line Straight Planetary Gearboxes Coupled with IEC Flange Can Replace CZPT Model with high quality
Product Description
Solution Description
SGR planetary equipment motor
Technical info:
one. Ratio range: 8.1-191
2. Input energy: .twelve-270 KW
three. Allow torque rang: ≤ 50000 N. M
4. Output speed: .3~205 r/min
five. Structure: Foot-mounted, flange-mounted, shaft-mounted
Characteristic:
one. Undertake optimized layout, module blend, correct angle output, space reduction
two. Substantial toughness and longevity gears
three. Can be blended with different motors, broader ratio assortment
4. Big output torque, smoothly startup, large performance
Manufacturing pictures:
Packing Photographs :
Factory
———————————————————————————————————————————————
FAQ:
1.Are you a manufacturing unit or trader ?
We are a specialist factory which has twenty a long time historical past specialized in gear transmission .
two.MOQ:
Our MOQ is 1pcs. However there is 1 dealing with price $one hundred fifty for the single get which much less than $3000.00
three. Warranty
Our guarantee is 12months
four. Payment phrase
one hundred% T/T in CZPT and LC at sight .
five. Do you accept customization ?
Indeed.SGR have sturdy R&D staff, we can supply customizable service according to specifications.
six. Packing
Generally we use normal export plywood scenario to organize the cargo .
7. Supply time
In typical ,time of shipping and delivery is 30days right after receiving the prepayment .
8. What varieties of certification do you use ?
DNV-ISO9001:2008, SGS,CE and so forth, And new merchandise patent.
9. What types of inspection you do before shipment ?
We do temperature examination, noise, and oil leak inspection and commissioning prior to cargo.
ten.How do you fix if the creation have difficulty ?
Largely, we don’t require consumer send out the goods back to us. Because the expense is extremely higher, if there satisfies a dilemma,we firstly ask for the photographs for damaged areas. And foundation on the pictures, we can have a fundamental idea for the defect reason. Our guarantee is 12 months, if in the course of the ensure, we can offer mend .
Planetary Gearbox
This article will check out the design and applications of a planetary gearbox. The reduction ratio of a planetary gearbox is dependent on the amount of teeth in the gears. The ratios of planetary gearboxes are normally reduce than people of traditional mechanical transmissions, which are mainly utilised to travel engines and turbines. They are usually the ideal option for weighty-obligation apps. The adhering to are some of the benefits of planetary gearboxes.
planetary gearboxes
Planetary gearboxes perform on a equivalent principle to solar techniques. They rotate about a center gear known as the sunlight equipment, and two or much more outer gears, called world gears, are linked by a carrier. These gears then generate an output shaft. The arrangement of earth gears is similar to that of the Milky Way’s ring of planets. This arrangement generates the very best torque density and stiffness for a gearbox.
As a compact substitute to typical pinion-and-gear reducers, planetary gearing gives many positive aspects. These attributes make planetary gearing best for a assortment of apps, which includes compactness and low weight. The efficiency of planetary gearing is improved by the reality that ninety per cent of the input energy is transferred to the output. The gearboxes also have reduced noise and higher torque density. Additionally, their layout delivers far better load distribution, which contributes to a for a longer time provider life.
Planetary gears call for lubrication. Since they have a smaller footprint than standard gears, they dissipate heat properly. In reality, lubrication can even reduced vibration and noise. It’s also crucial to preserve the gears properly lubricated to avert the wear and tear that comes with use. The lubrication in planetary gears also assists hold them working effectively and lowers use and tear on the gears.
A planetary gearbox employs several planetary components to obtain the reduction aim. Each and every gear has an output shaft and a sunlight gear situated in the centre. The ring equipment is mounted to the device, although the solar gear is connected to a clamping technique. The outer gears are connected to the provider, and every planetary gear is held with each other by rings. This arrangement enables the planetary gear to be symmetrical with regard to the input shaft.
The equipment ratio of a planetary gearbox is outlined by the solar gear’s variety of teeth. As the sun equipment will get smaller sized, the ratio of the gear will increase. The ratio selection of planetary gears ranges from 3:1 to 10 to one particular. At some point, however, the solar equipment turns into way too tiny, and the torque will fall drastically. The increased the ratio, the considerably less torque the gears can transmit. So, planetary gears are usually referred to as “planetary” gears.
Their layout
The standard design of a Planetary Gearbox is really easy. It consists of a few interconnecting back links, each of which has its very own torque. The ring gear is mounted to the body at O, and the other two are fixed to every single other at A and B. The ring equipment, in the meantime, is connected to the world arm 3 at O. All three components are related by joints. A cost-free-physique diagram is demonstrated in Figure 9.
Throughout the growth method, the layout crew will divide the energy to every individual world into its respective power paths. This distribution will be dependent on the meshing issue of all gears in the program. Then, the design and style group will move forward to determine the masses on individual equipment meshes. Making use of this technique, it is achievable to decide the hundreds on individual gear meshes and the shape of ring equipment housing.
Planetary Gearboxes are created of three equipment sorts. The solar gear is the heart, which is related to the other two gears by an interior tooth ring equipment. The planet pinions are arranged in a provider assembly that sets their spacing. The carrier also incorporates an output shaft. The three parts in a Planetary Gearbox mesh with each and every other, and they rotate collectively as one particular. Relying on the software, they might rotate at various speeds or at various instances.
The planetary gearbox’s style is special. In a planetary gearbox, the enter equipment rotates around the central gear, whilst the outer gears are organized around the solar gear. In addition, the ring equipment holds the composition collectively. A provider connects the outer gears to the output shaft. In the long run, this gear program transmits higher torque. This type of gearbox is excellent for high-speed functions.
The simple design and style of a Planetary Gearbox consists of multiple contacts that should mesh with every single other. A one world has an integer amount of enamel, while the ring has a non-integer quantity. The enamel of the planets must mesh with every other, as well as the sun. The tooth counts, as nicely as the earth spacing, engage in a position in the design and style. A planetary gearbox should have an integer amount of tooth to function effectively.
Programs
In addition to the previously mentioned-mentioned programs, planetary gearing is also employed in device tools, plastic equipment, derrick and dock cranes, and substance dealing with equipments. Further, its software is located in dredging products, highway-making machinery, sugar crystallizers, and mill drives. While its versatility and efficiency tends to make it a desirable option for a lot of industries, its complex composition and development make it a sophisticated ingredient.
Between the many rewards of utilizing a planetary gearbox, the potential to transmit increased torque into a managed place makes it a popular option for many industries. Moreover, introducing additional earth gears raises the torque density. This tends to make planetary gears suitable for purposes necessitating substantial torque. They are also utilized in electrical screwdrivers and turbine engines. Nonetheless, they are not employed in every little thing. Some of the more typical apps are reviewed underneath:
1 of the most critical functions of planetary gearboxes is their compact footprint. They are in a position to transmit torque although at the same time reducing noise and vibration. In addition to this, they are ready to achieve a high pace without having sacrificing higher-high quality functionality. The compact footprint of these gears also makes it possible for them to be used in high-pace apps. In some cases, a planetary gearbox has sliding sections. Some of these sections are lubricated with oil, whilst other individuals may call for a synthetic gel. Even with these distinctive features, planetary gears have grow to be common in numerous industries.
Planetary gears are composed of a few parts. The sunlight equipment is the enter gear, whereas the world gears are the output gears. They are connected by a carrier. The carrier connects the enter shaft with the output shaft. A planetary gearbox can be created for a variety of requirements, and the sort you use will rely on the needs of your application. Its style and functionality need to meet your application’s requirements.
The ratios of planetary gears fluctuate based on the variety of planets. The scaled-down the sun gear, the better the ratio. When planetary phases are utilized by itself, the ratio selection is 3:1 to 10:1. Larger ratios can be acquired by connecting numerous planetary levels together in the identical ring equipment. This approach is identified as a multi-phase gearbox. Nevertheless, it can only be employed in large gearboxes.
Routine maintenance
The major ingredient of a planetary gearbox is the planetary equipment. It calls for regular maintenance and cleansing to continue to be in prime condition. Need for a lengthier daily life span shields all other elements of the gearbox. This report will talk about the upkeep and cleansing methods for planetary gears. Following studying this article, you must know how to keep your planetary gearbox properly. Hopefully, you can appreciate a for a longer time existence with your gearbox.
To begin with, it is critical to know how to correctly lubricate a planetary gearbox. The lubricant is essential as gears that run at high speeds are subject matter to large ranges of heat and friction. The housing of the planetary gearbox ought to be constructed to allow the warmth to dissipate. The recommended oil is artificial, and it must be loaded in between 30 and 50 %. The lubricant ought to be changed at the very least every six months or as needed.
While it may possibly seem to be needless to change a planetary gearbox, regular servicing will support it very last a lengthy time. A normal inspection will recognize a problem and the suitable repairs are essential. After the planetary gearbox is total, it will plug with equipment oil. To steer clear of this problem, consider obtaining the unit repaired instead of changing the gearbox. This can preserve you a lot of money in excess of a new planetary gearbox.
Appropriate lubrication is crucial for a extended daily life of your planetary gearbox. Oil change frequency must be dependent on oil temperature and functioning pace. Oil at increased temperatures ought to be changed far more frequently because it loses its molecular construction and can’t type a protective movie. Right after this, oil filter upkeep ought to be carried out each handful of months. Finally, the gearbox oil needs to be checked often and changed when needed.

