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

Challenges in Achieving High Gear Ratios with Compactness in Planetary Gearboxes
Designing planetary gearboxes with high gear ratios while maintaining a compact form factor poses several challenges due to the intricate arrangement of gears and the need to balance various factors:
Space Constraints: Increasing the gear ratio typically requires adding more planetary stages, resulting in additional gears and components. However, limited available space can make it challenging to fit these additional components without compromising the compactness of the gearbox.
Efficiency: As the number of planetary stages increases to achieve higher gear ratios, there can be a trade-off in terms of efficiency. Additional gear meshings and friction losses can lead to decreased overall efficiency, impacting the gearbox’s performance.
Load Distribution: The distribution of loads across multiple stages becomes critical when designing high gear ratio planetary gearboxes. Proper load distribution ensures that each stage shares the load proportionally, preventing premature wear and ensuring reliable operation.
Bearing Arrangement: Accommodating multiple stages of planetary gears requires an effective bearing arrangement to support the rotating components. Improper bearing selection or arrangement can lead to increased friction, reduced efficiency, and potential failures.
Manufacturing Tolerances: Achieving high gear ratios demands tight manufacturing tolerances to ensure accurate gear tooth profiles and precise gear meshing. Any deviations can result in noise, vibration, and reduced performance.
Lubrication: Adequate lubrication becomes crucial in maintaining smooth operation and reducing friction as gear ratios increase. However, proper lubrication distribution across multiple stages can be challenging, impacting efficiency and longevity.
Noise and Vibration: The complexity of high gear ratio planetary gearboxes can lead to increased noise and vibration levels due to the higher number of gear meshing interactions. Managing noise and vibration becomes essential for ensuring acceptable performance and user comfort.
To address these challenges, engineers employ advanced design techniques, high-precision manufacturing processes, specialized materials, innovative bearing arrangements, and optimized lubrication strategies. Achieving the right balance between high gear ratios and compactness involves careful consideration of these factors to ensure the gearbox’s reliability, efficiency, and performance.

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

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


editor by CX 2024-01-30
China high quality Planetary Gearbox Gear Speed Reducer Motor Winch Track Wheel Drive System Reduction Transmission Epicyclic Inline Precision Precision NEMA 34 Gearbox cvt gearbox
Product Description
Planetary Gearbox gear speed reducer motor winch track wheel drive system reduction transmission epicyclic inline precision precision nema 34 gearbox
Application of Planetary Gearbox
Planetary gearboxes are used in a wide variety of applications, including:
- Automotive: Planetary gearboxes are used in a variety of automotive applications, such as the transmission, differential, and axles.
 - Industrial: Planetary gearboxes are used in various industrial applications, such as pumps, compressors, and generators.
 - Marine: Planetary gearboxes are used in various marine applications, such as the engine, transmission, and propeller shaft.
 - Agricultural: Planetary gearboxes are used in various agricultural applications, such as tractors, harvesters, and balers.
 - Construction: Planetary gearboxes are used in various construction applications, such as excavators, bulldozers, and cranes.
 - Robotics: Planetary gearboxes are used in a variety of robotic applications, such as manipulators, end effectors, and mobile platforms.
 - Aerospace: Planetary gearboxes are used in various aerospace applications, such as landing gear, flight controls, and navigation systems.
 - Medical: Planetary gearboxes are used in various medical applications, such as surgical robots, endoscopes, and pacemakers.
 - Other: Planetary gearboxes are also used in various other applications, such as in the food processing, packaging, and textile industries.
 
Planetary gearboxes are a versatile and efficient type of gearbox that can be used in various applications. They are compact, lightweight, and have a high power-to-weight ratio. They are also relatively quiet and have a long service life.
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car | 
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase | 
| Layout: | Three-Ring | 
| Hardness: | Hardened Tooth Surface | 
| Installation: | Torque Arm Type | 
| Step: | Stepless | 
| Samples: | 
 
                                        US$ 9999/Piece 
1 Piece(Min.Order)                                         |  | 
|---|

Concept of Coaxial and Parallel Shaft Arrangements in Planetary Gearboxes
Coaxial and parallel shaft arrangements refer to the orientation of the input and output shafts in a planetary gearbox:
- Coaxial Shaft Arrangement: In this arrangement, the input and output shafts are aligned along the same axis, with one shaft passing through the center of the other. This design results in a compact and space-efficient gearbox, making it suitable for applications with limited space. Coaxial planetary gearboxes are commonly used in scenarios where the gearbox needs to be integrated into a compact housing or enclosure.
 - Parallel Shaft Arrangement: In a parallel shaft arrangement, the input and output shafts are positioned parallel to each other but not on the same axis. Instead, they are offset from each other. This configuration allows for greater flexibility in designing the layout of the gearbox and the surrounding machinery. Parallel shaft planetary gearboxes are often used in applications where the spatial arrangement requires the input and output shafts to be positioned in different locations.
 
The choice between a coaxial and parallel shaft arrangement depends on factors such as available space, mechanical requirements, and the desired layout of the overall system. Coaxial arrangements are advantageous when space is limited, while parallel arrangements offer more design flexibility for accommodating various spatial constraints.

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

Impact of Gear Ratio on Output Speed and Torque in Planetary Gearboxes
The gear ratio of a planetary gearbox has a significant effect on both the output speed and torque of the system. The gear ratio is defined as the ratio of the number of teeth on the driven gear (output) to the number of teeth on the driving gear (input).
1. Output Speed: The gear ratio determines the relationship between the input and output speeds of the gearbox. A higher gear ratio (more teeth on the output gear) results in a lower output speed compared to the input speed. Conversely, a lower gear ratio (fewer teeth on the output gear) leads to a higher output speed relative to the input speed.
2. Output Torque: The gear ratio also affects the output torque of the gearbox. An increase in gear ratio amplifies the torque delivered at the output, making it higher than the input torque. Conversely, a decrease in gear ratio reduces the output torque relative to the input torque.
The relationship between gear ratio, output speed, and output torque is inversely proportional. This means that as the gear ratio increases and output speed decreases, the output torque proportionally increases. Conversely, as the gear ratio decreases and output speed increases, the output torque proportionally decreases.
It’s important to note that the gear ratio selection in a planetary gearbox involves trade-offs between output speed and torque. Engineers choose a gear ratio that aligns with the specific application’s requirements, considering factors such as desired speed, torque, and efficiency.


editor by CX 2023-11-15
China Best Sales ZD High Power Low Noise Brushless DC Gear Motor For Access Control System with Great quality
Product Description
      ZD Large Power Minimal Sounds Brushless DC Gear Motor For Access Handle Technique
 
In depth Photos
Related BLDC Motors
Solution Parameters
Primary info:
1. Standard specification: DC24V, 60W, 2500RPM S1, B Class, IP20, IP40. OR12V, 48V. 250W. Personalized items are welcome.
2. Rated torque of bare motor: 318mN. M, 229mNm
three. No-load sound of complete motor: <50dB, L=50cm
four. VE: AC66V, 1S, 5mA
5. Insulation resistance: >20MΩ 500V, >20MΩ 500V
6. Lifestyle: 2500H, 4000H
7. Ambient ask for: RoHS
eight. Equipment Ratio: 8.5, twelve.5, 13
Firm Profile
FAQ
Q: What’re your principal goods?
A: We currently produce Brushed Dc Motors, Brushed Dc Equipment Motors, Planetary Dc Gear Motors, Brushless Dc Motors, Stepper motors, Ac Motors and Large Precision Planetary Gear Box and so forth. You can verify the technical specs for earlier mentioned motors on our internet site and you can email us to advise required motors for each your specification as well.
Q: How to select a ideal motor?
A:If you have motor photographs or drawings to display us, or you have comprehensive specs like voltage, speed, torque, motor size, doing work method of the motor, required life span and sound amount and so forth, make sure you do not be reluctant to allow us know, then we can advise suitable motor for every your request appropriately.
Q: Do you have a customized support for your common motors?
A: Yes, we can personalize per your ask for for the voltage, speed, torque and shaft size/form. If you require additional wires/cables soldered on the terminal or need to include connectors, or capacitors or EMC we can make it way too.
Q: Do you have an individual design services for motors?
A: Yes, we would like to design motors individually for our customers, but it could require some mold developing cost and layout cost. 
Q: What’s your direct time?
A: Normally talking, our normal common solution will want 15-30days, a little bit longer for tailored merchandise. But we are really flexible on the guide time, it will depend on the distinct orders.
Please contact us if you have comprehensive requests, thank you !
Benefits of a Planetary Motor
If you’re seeking for an cost-effective way to electricity a equipment, take into account purchasing a Planetary Motor. These units are created to give a massive selection of gear reductions, and are able of producing considerably larger torques and torque density than other kinds of drive techniques. This post will explain why you ought to take into account acquiring a single for your wants. And we will also discuss the variations between a planetary and spur gear method, as nicely as how you can advantage from them.
planetary gears
Planetary gears in a motor are utilized to minimize the velocity of rotation of the armature 8. The reduction ratio is determined by the construction of the planetary equipment device. The output shaft 5 rotates by way of the device with the support of the ring equipment 4. The ring gear 4 engages with the pinion 3 once the shaft is rotated to the engagement place. The transmission of rotational torque from the ring gear to the armature brings about the motor to start off.
The axial conclude surface of a planetary equipment gadget has two round grooves 21. The depressed portion is used to keep lubricant. This lubricant helps prevent overseas particles from coming into the planetary gear room. This function allows the planetary equipment system to be compact and light-weight. The cylindrical part also minimizes the mass inertia. In this way, the planetary gear unit can be a great choice for a motor with limited area.
Due to the fact of their compact footprint, planetary gears are great for lowering heat. In addition, this style permits them to be cooled. If you need substantial speeds and sustained functionality, you could want to think about making use of lubricants. The lubricants current a cooling effect and reduce sound and vibration. If you want to improve the performance of your motor, commit in a planetary equipment hub drivetrain.
The planetary gear head has an inner sun equipment that drives the multiple outer gears. These gears mesh collectively with the outer ring that is fastened to the motor housing. In industrial apps, planetary gears are utilized with an escalating variety of teeth. This distribution of power ensures increased performance and transmittable torque. There are a lot of advantages of making use of a planetary equipment motor. These benefits contain:
planetary gearboxes
A planetary gearbox is a kind of drivetrain in which the enter and output shafts are linked with a planetary structure. A planetary gearset can have a few principal components: an enter equipment, a planetary output equipment, and a stationary placement. Diverse gears can be utilised to modify the transmission ratios. The planetary framework arrangement presents the planetary gearset high rigidity and minimizes backlash. This higher rigidity is essential for swift start off-end cycles and rotational course.
Planetary gears need to have to be lubricated frequently to avert wear and tear. In addition, transmissions have to be serviced regularly, which can include fluid changes. The gears in a planetary gearbox will wear out with time, and any issues need to be repaired instantly. However, if the gears are ruined, or if they are faulty, a planetary gearbox manufacturer will restore it for free.
A planetary gearbox is normally a 2-velocity design and style, but specialist producers can supply triple and solitary-speed sets. Planetary gearboxes are also suitable with hydraulic, electromagnetic, and dynamic braking techniques. The initial stage to designing a planetary gearbox is defining your software and the sought after final result. Famous constructors use a consultative modeling technique, starting up each and every venture by studying machine torque and functioning problems.
As the planetary gearbox is a compact style, area is restricted. As a result, bearings need to have to be chosen cautiously. The compact needle roller bearings are the most widespread choice, but they can not tolerate huge axial forces. Individuals that can deal with large axial forces, such as worm gears, must opt for tapered roller bearings. So, what are the positive aspects and negatives of a helical gearbox?
planetary gear motors
When we consider of planetary equipment motors, we have a tendency to consider of large and strong equipment, but in simple fact, there are numerous smaller, more low-cost variations of the identical machine. These motors are often made of plastic, and can be as modest as 6 millimeters in diameter. Not like their greater counterparts, they have only 1 gear in the transmission, and are manufactured with a little diameter and modest quantity of enamel.
They are related to the solar method, with the planets rotating about a solar gear. The world pinions mesh with the ring gear inside of the solar equipment. All of these gears are connected by a planetary carrier, which is the output shaft of the gearbox. The ring equipment and planetary carrier assembly are hooked up to every single other by way of a collection of joints. When electrical power is applied to any of these users, the total assembly will rotate.
When compared to other configurations, planetary gearmotors are far more complex. Their construction consists of a solar equipment centered in the center and many scaled-down gears that mesh with the central solar gear. These gears are enclosed in a more substantial interior tooth gear. This layout permits them to handle greater hundreds than typical equipment motors, as the load is distributed amid many gears. This type of motor is generally a lot more costly than other configurations, but can endure the larger-load demands of some machines.
Because they are cylindrical in condition, planetary equipment motors are extremely flexible. They can be employed in a variety of programs, which includes automatic transmissions. They are also used in apps exactly where higher-precision and velocity are essential. Additionally, the planetary equipment motor is sturdy and is characterised by low vibrations. The benefits of using a planetary equipment motor are large and contain:
planetary gears vs spur gears
A planetary motor makes use of several enamel to share the load of rotating areas. This provides planetary gears higher stiffness and minimal backlash – typically as lower as a single or two arc minutes. These attributes are crucial for purposes that go through frequent start-cease cycles or rotational direction changes. This article discusses the advantages of planetary gears and how they differ from spur gears. You can view the animation underneath for a clearer understanding of how they operate and how they differ from spur gears.
Planetary gears go in a periodic method, with a comparatively small meshing frequency. As the meshing frequency increases, the amplitude of the frequency also increases. The amplitude of this frequency is small at low clearance values, and boosts significantly at higher clearance levels. The amplitude of the frequency is increased when the clearance reaches .2-.6. The amplitude boosts swiftly, whilst put on increases slowly and gradually after the first .2-.6-inch-wide clearance.
In large-pace, large-torque apps, a planetary motor is more powerful. It has numerous get in touch with points for higher torque and larger velocity. If you are not certain which kind to decide on, you can check with with an professional and layout a custom made equipment. If you are doubtful of what sort of motor you need, make contact with Twirl Motor and ask for aid picking the proper a single for your software.
A planetary gear arrangement provides a variety of benefits more than standard fastened-axis equipment technique patterns. The compact measurement permits for lower decline of efficiency, and the more planets in the gear system boosts the torque density and ability. Yet another benefit of a planetary gear technique is that it is much more powerful and much more tough than its spur-equipment counterpart. Mixed with its many benefits, a planetary equipment arrangement provides a outstanding answer to your shifting requirements.
planetary gearboxes as a compact substitute to pinion-and-gear reducers
While traditional pinion-and-equipment reducer design and style is bulky and intricate, planetary gearboxes are compact and versatile. They are suitable for many apps, particularly in which area and excess weight are problems, as properly as torque and speed reduction. However, knowing their system and doing work just isn’t as basic as it appears, so right here are some of the key benefits of planetary gearing.
Planetary gearboxes function by making use of two planetary gears that rotate close to their personal axes. The sunlight gear is employed as the input, while the planetary gears are linked via a casing. The ratio of these gears is -Ns/Np, with 24 enamel in the sunlight equipment and -3/2 on the planet equipment.
In contrast to standard pinion-and-gear reducer designs, planetary gearboxes are considerably smaller sized and less expensive. A planetary gearbox is about fifty% smaller sized and weighs much less than a pinion-and-gear reducer. The more compact gear floats on leading of three massive gears, reducing the consequences of vibration and guaranteeing constant transmission in excess of time.
Planetary gearboxes are a very good different to pinion-and-equipment drive systems since they are scaled-down, significantly less complex and offer a higher reduction ratio. Their meshing arrangement is related to the Milky Way, with the sunlight gear in the middle and two or far more outer gears. They are connected by a carrier that sets their spacing and incorporates an output shaft.
In comparison to pinion-and-equipment minimizes, planetary gearboxes offer larger speed reduction and torque ability. As a consequence, planetary gearboxes are little and compact and are often favored for area-constrained apps. But what about the substantial torque transfer? If you’re looking for a compact alt

