Product Description
Product Description
SGR planetary gear motor
Technical data:
1. Ratio range: 8.1-191
2. Input power: 0.12-270 KW
3. Permit torque rang: ≤ 50000 N. M
4. Output speed: 0.3~205 r/min
5. Structure: Foot-mounted, flange-mounted, shaft-mounted
| Input structure | motor,IEC flange |
| Output speed | solid shaft, hollow shaft with key,with shrink disk |
Characteristic:
1. Adopt optimized design, module combination, right angle output, space reduction
2. High strength and longevity gears
3. Can be combined with various motors, wider ratio range
4. Big output torque, smoothly startup, high efficiency
Production pictures:
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FAQ:
1.Are you a factory or trader ?
We are a professional factory which has 20 years history specialized in gear transmission .
2.MOQ:
Our MOQ is 1pcs. However there is 1 handling cost $150 for the single order which less than $3000.00
3. Warranty
Our warranty is 12months
4. Payment term
100% T/T in advance and LC at sight .
5. Do you accept customization ?
YES.SGR have strong R&D team, we can provide customizable service according to requirements.
6. Packing
Generally we use standard export plywood case to arrange the shipment .
7. Delivery time
In normal ,time of delivery is 30days after receiving the prepayment .
8. What kinds of certification do you use ?
DNV-ISO9001:2008, SGS,CE etc, And new products patent.
9. What kinds of inspection you do before shipment ?
We do temperature test, noise, and oil leak inspection and commissioning before shipment.
10.How do you solve if the production have problem ?
Mostly, we don’t need customer send the goods back to us. Because the cost is very high, if there meets a problem,we firstly ask for the pictures for damaged parts. And base on the pictures, we can have a basic idea for the defect reason. Our guarantee is 12 months, if during the guarantee, we can supply repair .
| Application: | Industry |
|---|---|
| Hardness: | Hardened |
| Type: | Planetary Gear |
| Changes Way: | Mixed |
| Toothed Portion Shape: | Spur Gear |
| Manufacturing Method: | Rolling Gear |
| Customization: |
Available
| Customized Request |
|---|

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

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

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


editor by CX 2023-09-28
China Hot selling Planetary Gear Motors Planetary Gearbox Gear Reducer Right Angle with High Torque Low Noise automatic gearbox
Product Description
1 YEAR WARRANTY AND EXCELLENT SERVICE
7 DAYS REFUND PAYMENT IN CASE OF QUALITY
24 HOURS SMOOTHLY COMMUNICATION
Offers original and replacement Planetary Gearbox for our customers. We will save customer costs, increase productivity and profit margins, Welcome to Get Latest Price now!
Product Description
|
Model NO: |
SVS21 |
|
Type: |
Planetary Gear Reducer |
|
Application: |
Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|
Hardness: |
Soft Tooth Surface |
|
Installation: |
90 Degree |
|
Layout: |
Coaxial |
|
Gear Shape: |
Conical – Cylindrical Gear |
|
Step: |
Stepless |
|
Ratio: |
3.4-5000 |
|
Material: |
Cast Iron |
|
Transport Package |
Wooden Box |
Detailed Photos
Company Profile
FAQ
Q: Are you trading company or manufacturer?
A: We are factory with more than 20 years experience.
Q: How long for delivery?
A: Generally it is 15-30days as we are customized service we confirm with customer when place order.
Q: What is the MOQ?
A: It depends on what you are buying. Normally, our minimum order is 1 20′ full container and LCL container (less than a
container load) can be acceptable.
Q: Can you customize my products?
A: Yes, we can customized products with your design drawings like DWG, DXF, DXW, IGES, STEP, PDF etc.
Q: What is your terms of payment?
A: 30% T/T in advance, balance before shipment, or as per discussion.
Q: What about your quality control?
A: * . Checking the raw material after they reach our factory—–Incoming quality control(IQC)
* . Checking the details before the production line operated
* . Have full inspection and routing inspection during mass production—-In-process quality control(IPQC)
* . Checking the goods after they are finished—-Final quality control(FQC)
* . Checking the goods after they are finished—-Outgoing quality control(QC)
* . 100% inspection and delivery before shipment
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Hardness: | Soft Tooth Surface |
| Installation: | 90 Degree |
| Layout: | Coaxial |
| Gear Shape: | Cylindrical Gear |
| Step: | Four-Step |
| Customization: |
Available
| Customized Request |
|---|

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

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

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


editor by CX 2023-09-26
China Hot selling Desboer Nb142 Series Single Segment High Precision Standard Backlash High Torque High Rigidity Helical Gear Planetary Gearbox for Servo Motor. with Hot selling
Product Description
Product Description
NB142 series adopts the design of integrating its sun gear and input shaft, the design of integrating its output structure. Using high- strength bearing, the product itself is characterized by high load, high precision, and low noise, focusing on the use of automation equipment, various types of packaging, printing, lithium-ion, LCD screens, robots, palletizers, woodworking, doors and windows and other industry sectors.
Product Name: High Precision Planetary Gearbox
Product Series: NB142 Series
Product features: high precision, high load, low noise.
Product Description:
Integrated design concept with high strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
1 arc minute ≤ backlash ≤ 3 arc minutes
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimises power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years
Our Advantages
High precision
High load
Low noise
Detailed Photos
Product Parameters
| Segment number | Single segment | ||||||||
| Ratio | i | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Rated output torque | Nm | 320 | 510 | 610 | 570 | 520 | 470 | 420 | 420 |
| Emergency stop torque | Nm | Three times of Maximum Output Torque | |||||||
| Rated input speed | Rpm | 3000 | |||||||
| Max input speed | Rpm | 6000 | |||||||
| Ultraprecise backlash | arcmin | ≤1 | |||||||
| Precision backlash | arcmin | ≤3 | |||||||
| Standard backlash | arcmin | ≤5 | |||||||
| Torsional rigidity | Nm/arcmin | 50 | |||||||
| Max.bending moment | Nm | 9400 | |||||||
| Max.axial force | N | 4700 | |||||||
| Service life | hr | 20000(10000 under continuous operation) | |||||||
| Efficiency | % | ≥97% | |||||||
| Weight | kg | 14.5 | |||||||
| Operating Temperature | ºC | -10ºC~+90ºC | |||||||
| Lubrication | Synthetic grease | ||||||||
| Protection class | IP64 | ||||||||
| Mounting Position | All directions | ||||||||
| Noise level(N1=3000rpm,non-loaded) | dB(A) | ≤65 | |||||||
| Rotary inertia | Kg·cm² | 9.25 | 7.54 | 7.42 | 7.25 | 7.14 | 7.07 | 7.04 | 7.03 |
Applicable Industries
Packaging Machinery Mechanical Hand Textile Machinery
Non Standard automation Machine Tool Printing Equipment
| Application: | Motor, Machinery, Marine, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | All Direction |
| Layout: | Planetary Gearbox |
| Gear Shape: | Helical Gear |
| Step: | Single-Step |

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.



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.
editor by CX 2023-08-22
China Custom Flange Input Right Angle Big Output Torque Planetary Gearbox with Motor best automatic gearbox
Product Description
Flange Input Right Angle Big Output Torque Planetary Gearbox With Motor
Description:
N series of planetary reducers from SGR are widely used for industrial and heavy duty severe applications . planetary reducer feature with compact size, low noise , excellent reliability ,long life . In-line or right-angle planetary gearboxes are available in male and female shaft configurations. The CZPT male shaft solution (splined or cylindrical) is able to withstand strong radial or axial loads on the output shaft. As a leading planetary gearbox manufactory in China , SGR planetary reducer is produced by modular design, combined according to customer requirement, housing material from CZPT with nodular cast iron which can increases gearbox’s rigidity and antiknock, heavy-duty bearing is installed at low-speed shaft, it can bear big radial load due to proportionate distribution of torque ,every CZPT gears are case hardened to get high reliability and long life . SGR planetary reducer have 16 models for different torque range ,each CZPT model have 1-5 stages to achieve different ratios , SGR planetary reducer have wide rang selection of high speed design: cylindrical with key, hydraulic motor, electric motor .Installation in CZPT is multiposition ,various fasten type .
Key feature:
- Planetary gearbox is produced by modular design, and can be combined according to client’s request
- Involuted planetary gear design
- Nodular cast iron Housing to increase rigidity and antiknock
- Heavy duty bearing on low‐speed shaft, and can bear big radial load due to proportionate distribution of torque
- All gears are case hardened to get high surface hardness, which guarantee transmission efficiency and whole gearbox’s life
- Planetary gearbox has 16 models for different torque range, and each model have 1‐5 reduction stages to achieve different ratios
- Ratio range: 3.15‐9N. M
- Output speed: 0.425‐445 r/min
- Structure mode: Possibility of flange, foot, or shaft mounting solutions
- Wide and comprehensive range of N series for industrial applications
- Low speed shaft design: Cylindrical with key, splined, hollow with shrink disc or splined hollow shaft
- Rigid and precise nodular cast iron casing
- Low noise running, high manufacturing quality standard
- High and reliable performance, load capacity and low speed shaft bearing
N series planetary gearbox torque sheet with models
| Gear unit size | 200 | 201 | 240 | 241 | 280 | 281 | 353/354 | 355 | 400 | 401 |
| Normal output torque T2N[Nm] |
1500 | 2000 | 3500 | 4000 | 4300 | 7300 | 13000 | 16000 | 20000 | 23000 |
| Gear unit size | 428 | 429 | 445 | 446 | 510 | 542 | 543 | 695 | 810 | 885 |
| Normal output torque T2N[Nm] |
26000 | 30000 | 32000 | 43000 | 63000 | 75000 | 100000 | 150000 | 300000 | 420000 |
| Application: | Motor, Machinery, Marine, Agricultural Machinery, Industry |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Coaxial |
| Hardness: | Hardened |
| Installation: | Horizontal Type |
| Step: | Four-Step |
| Samples: |
US$ 500/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Role of Sun, Planet, and Ring Gears in Planetary Gearboxes
The arrangement of sun, planet, and ring gears is a fundamental aspect of planetary gearboxes and significantly contributes to their performance. Each gear type plays a specific role in the gearbox’s operation:
- Sun Gear: The sun gear is located at the center and is driven by the input power source. It transmits torque to the planet gears, causing them to orbit around it. The sun gear’s size and rotation speed affect the overall gear ratio of the system.
- Planet Gears: Planet gears are smaller gears that surround the sun gear. They are held in place by the planet carrier and mesh with both the sun gear and the internal teeth of the ring gear. As the sun gear rotates, the planet gears revolve around it, engaging with both the sun and ring gears simultaneously. This arrangement multiplies torque and changes the direction of rotation.
- Ring Gear (Annulus Gear): The ring gear is the outermost gear with internal teeth that mesh with the planet gears’ external teeth. It remains stationary or acts as the output shaft. The interaction between the planet gears and the ring gear causes the planet gears to rotate on their own axes as they orbit the sun gear.
The arrangement of these gears allows for various gear reduction ratios and torque multi
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.

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.
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.
plication effects, making planetary gearboxes versatile and efficient for a wide range of applications. The combination of multiple gear engagements and interactions distributes the load across multiple gear teeth, resulting in higher torque capacity, smoother operation, and lower stress on individual gear teeth.
Planetary gearboxes offer advantages such as compact size, high torque density, and the ability to achieve multiple gear reduction stages within a single unit. The arrangement of the sun, planet, and ring gears is essential for achieving these benefits while maintaining efficiency and reliability in various mechanical systems.


editor by CX 2023-08-17
China best CZPT Arrow 75mm High Torque Gearbox 16-18 Torque Twin Screw Extruder Extruder Screw and Barel nema 23 planetary gearbox
Product Description
Overview
Product Description
Wide Selection of Gearbox Products
The gearbox usually adopts a general design scheme, but in special cases, the design scheme of the gearbox can be changed according to the demands of the user, and it can be modified into an industry-specific gearbox. In the design scheme of the gearbox, the parallel shaft, vertical shaft, general box, and various parts can be changed
Advantages
- Absorption of very high torques and axial forces
- No need for separate thrust housing & bearing.
- Easy alignment (screw directly fits into the vore of gear box)
- Easy to assemble & dismantle.
- Very heavy duty spherical roller thrust bearing is provided.
- Power saving. (you may save up to 20 % power.)
- Less requirement of space.
- For bigger sizes water cooling is provided
- No maintenance required except periodic oil level checking.
- Higher productivity
Features
- Twin Screw Extruder Gearboxes offer the dual shaft counter rotating. The range is available for various center distances
- The gearboxes are available with co-rotating and counter rotating variants
- To work under heavy loading force, the high level dissipation and oil lubrication system are provided. The axial roller type swivel thrust with the thrust bearing coupled in tandem way support the axial thrust
- High torque and high speed output rate
Processing Characteristics of Screw Shaft:
1.Suitable suggestion on material to ensure components performance and extend lifetime of products.
2.Professional technical team can provide surveying and mapping support.
3.All components are finished by CNC machine.
4.Sophisticated quality management system ensure superior quality.
Basic Info.
| Warranty: 1 year | Weight (KG): 500 KG |
| Place of Origin: HangZhou, China |
Gearing Arrangement: helical |
| ratio: 8-20 |
Output Torque: 2*176 |
| standard: JB/T8853-2001 |
Certificate: CE |
| Heat treatment: High-frequency Hardening |
Efficiency: 94%~98%(depends on the transmission stage) |
| Customized support:OEM ODM | Input/output shaft material 40Cr |
| Package: Wooden case |
Mount position: Flange, hollow shaft, CZPT shaft |
| After-sale:Online 24/7 Installation Xihu (West Lake) Dis. | advantage: excellent quality |
| Reduction radio: 3:1 |
Mount Position: Horizontal Foot Mounted Vertical |
| Input Speed: 1500 |
Output Speed: 500 |
Packaging & delivery
|
Packing: wooden case packing |
|
| Port: HangZhou Port |
Applications
X helical gear units for double-screw extruders with parallel drive shafts and the same direction of screw rotation are used mainly in the manufacture of granulates and the refining of raw plastics. Other areas of application include:
- Paint and lacquer industry
- Washing agent industry
- Foodstuff industry (e.g. bread, pasta)
- Animal-feed industry (dog, cat other animal food
Maintenance of the gearbox of the dual-screw extruder
1. The gear box of the dual-screw extruder should be well-ventilated, and the working environment temperature should be within the range of 5-35 °C.
2. Always check the oil quantity of the gear lubricating oil in the box to ensure that the transmission parts in the box are well lubricated.
3. Pay attention to check the bearing parts of the box frequently. The oil temperature of the oil tank of the transmission box should not exceed 70 ºC during operation.
4. The newly put into use gearbox needs to replace the lubricating oil after 250 hours of operation. The oil change time depends on the state of the oil. It is recommended to replace it after 4000-8000 hours of operation or once a year.
5. The gearbox of the dual-screw extruder needs to be regularly maintained and inspected once a year
Operating Process
1. The gear on the input shaft is driven by the motor and starts to rotate.
2. The rotating input gear meshes with other gears inside the gearbox, transmitting power.
3. Different-sized gears within the gearbox are combined to form a gear train. Through continuous meshing and rotation, the high-speed, low-torque power from the input shaft gradually converts into low-speed, high-torque output.
4. The output shaft is connected to the last gear and transfers the output torque to the load.
5. Gear reduction gearboxes typically include lubrication and cooling systems to ensure smooth operation and prevent overheating and damage.
6. Our extruder gearbox converts high-speed, low-torque power into low-speed, high-torque output by changing the size ratios and meshing arrangements of different gears, achieving the function of speed reduction.
Types of Gearboxes:
Based on customer requirements, gear reduction gearboxes can be classified according to the size of the output shaft, center distance of the output shaft, output speed, and torque. Alternatively, we can provide several commonly used types of gearboxes for customers to choose from.
Product Service
|
24-hour Hotline
No matter when and where to call we can find our service to you.
|
Pre-sales Consultation
We have 5 sales people online, and whether you have any question can be solved through online communication. |
After-sales Services
Receive products have any questions about the product, can look for us,we will help you deal with the the first time,to your satisfaction. |
Exhibition
Certificate
Company profile
ZheJiang Arrow Machinery Co., Ltd.is a company specializing in R&D, production, sales, application promotion of food engineering projects. As 1 of the largest scaled food processing equipment &whole plant engineering problem solvers in China, machines served for more than 970 companies, export to 116 countries, area, more than 20 years engineering team, we recognize that quality equals value, aims to create a great future together with global customers.
FAQ
1. Q: How about Arrow Machinery?
R: ZheJiang Arrow Machinery Co., Ltd. is a High-Tech company. Our firm is composed of a strong
team which has substantial experience in R&D, manufacture, technique and sales service and has
specialized in extruder industry for 10 years,leading screw barrel manufacturer in China.
2. Q:What’s Arrow machinery’s capacity?
R:Company is in strict accordance with CE and ISO9001 quality certification system.There are over 200
models of extruders and spare parts.
3. Q:What’s the delivery time?
R:For regular size, we have finished stock and semi-finished stock, 2 weeks max enough
for customized, normally within 20days .
4. Q:How about the gearbox quality and price?
R: top quality in China with competitive price and globle after-sale service
5. Q:what’s the life time and guarantee buy from Arrow machinery ?
R: 3~5years life time for nitriding ones and bimtallic ones will be longer
One year min. Guarantee.
6.Q:Where is Arrow Machinery factory and how to reach there?
R:NO.47 Chengbohu Road, Xihu (West Lake) Dis. District,HangZhou City, China. You can take the train or plane to HangZhou and we can pick you up.
7.Q:How to contact with you?
R:just reply to me if have any question.
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| Application: | Motor, Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Cycloidal |
| 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 CX 2023-06-07
China manufacturer High Speed Heavy Torque Planetary Reducer Generator Gearbox Involute Planetary Gearbox planetary gearbox design
Product Description
Product Description
High Speed Heavy Torque Planetary reducer generator gearbox Involute Planetary Gearbox
P Series Planetary Gearbox adopts the involute planetary gear transmission with inner mesh, outer mesh and divided power employed reasonably. So the series has the features of light weight, small volume, high transmission ratio, high efficiency, smooth rotation, low noise and good applicability.
Application:
P Series Planetary Gearbox is widely used in many industries such as metallurgy, mining, hoisting and transportation, electrical power, energy resources, construction and building materials, light industry and traffic, etc.
P series planetary gearbox with good prices
1.P Series Planetary Gear Units is designed according to the involute planetary gear transmission with inner mesh,outer mesh and divided power employed reasonably.
2.P series planetary gear unit has the feature of light weight , small volume, high transmission ratio,
high efficiency, smooth rotation, low noise and good applicability.
3.P series is widely used in industries such as metallurgy, mining, hoisting and transportation, electrical power, energy resources, construction and building materials, light industry and traffic.
Detailed Photos
4.Technical Data
| Input power | Ratio | Torque | Planetary gear units stage | Mounting type |
| 0.4~9551kW | 25~4000 | Up to 1920000N.m | 2 stage 3 stage |
Horizontal Vertical |
5.Basic Information
Gear Arrangement:Helical gear
Mounting Type: Horizontal, Vertical
Types: P2N,P2L,P2S,P2K,P3N,P3S,P3K
6.Features
| Features of Planetary gearbox | Light weight |
| Small volume | |
| High transmission ratio | |
| High transmission efficiency | |
| Smooth rotation | |
| Good applicability |
P series planetary gearbox with good prices
7.Explanation of types
P2N-2-stage planetary gear units:
P2L-Bevel,2-stage planetary gear units:
P2S-Helical,2-stage planetary gear units;
P2K-Bevel-helical,2-stage planetary gear units:
P3N-3-stage planetary gear units;
P3S-Helical,3-stage planetary gear units;
P3K-Bevel-helical,3-stage planetary gear units;
Product Parameters
Product description:
| Rated Power | 0.4KW~9551KW |
| Rated Torque | Up to 1920KN.m |
| Gear Arrangement | Planetary with helical or bevel gearbox |
| Input Speed | 50HZ or 60HZ of 4Pole,6Pole and 8pole motor |
| Ratio | i=25~4000 |
| Installation Form | Flange Mounted, Foot Mounted or Torque Arm Mounted |
Certifications
Packaging & Shipping
Company Profile
Our Advantages
| Pre-sale services | 1. Select equipment model. |
| 2.Design and manufacture products according to clients’ special requirement. | |
| 3.Train technical personal for clients | |
| Services during selling | 1.Pre-check and accept products ahead of delivery. |
| 2. Help clients to draft solving plans. | |
| After-sale services | 1.Assist clients to prepare for the first construction scheme. |
| 2. Train the first-line operators. | |
| 3.Take initiative to eliminate the trouble rapidly. | |
| 4. Provide technical exchanging. |
FAQ
1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more than 1 hundred models and thousands of specifications
2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set
Welcome you contact me if you are interested in our product.
Our team will support any need you might have.
| Application: | Machinery, Agricultural Machinery, Industry |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened |
| Installation: | Horizontal Type |
| Step: | Double-Step |
| Customization: |
Available
| Customized Request |
|---|

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


editor by CX 2023-06-05
China high quality Ab Series Aluminium Helical Bevel Planetary Gearboxes High Torque Planetary Gearbox for Servo Motor planetary gearbox disassembly
Product Description
Planetary Gearbox AB Series Square Flange Helical Bevel Planetary Transmission Gearboxes Servo Motor
Product Overview:
Precision planetary gear reducer is another name for planetary gear reducer in the industry. Its main transmission structure is planetary gear, sun gear and inner gear ring.
Compared with other gear reducers, precision planetary gear reducers have the characteristics of high rigidity, high precision (single stage can achieve less than 1 point), high transmission efficiency (single stage can achieve 97% – 98%), high torque/volume ratio, lifelong maintenance-free, etc. Most of them are installed on stepper motor and servo motor to reduce speed, improve torque and match inertia.
Planetary Gearbox AB Series Square Flange Helical Bevel Planetary Transmission Gearboxes Servo Motor
Advantages of the planetary gearbox:
Low backlash
High Efficiency
High Torque
High Input Speed
High Stability
High Reduction Ratio
Detailed Photos
Product Parameters
|
Name |
High Precision Planetary Gearbox |
|
Model |
AB042, AB060, AB060A, AB090A, AB115, AB142, AB180, AB220 |
|
Gearing Arrangement |
Planetary |
|
Effeiency withfull load |
≥97 |
|
Backlash |
≤5 |
|
Weight |
0.5~48kg |
|
Gear Type |
Helical Gear |
|
Gear stages |
1 stage, 2 stage |
|
Rated Torque |
14N.m-2000N.m |
|
Gear Ratio One-stage |
3, 4, 5, 6, 7, 8, 9, 10 |
|
Gear Ratio Two-stage |
15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100 |
|
Mounting Position |
Horizontal (foot mounted) or Vertical (flange mounted) |
|
Usage |
stepper motor, servo motor, AC motor, DC motor, etc |
Various reduction ratios available. Please contact us. We will provide you with appropriate reduction gearbox according to your motor power
External Mounting Dimensions
1 stage reduction ratio 3~10
2 stage reduction ratio 15~100
features:
AB-series reducer features:
1. Helical gear design The reduction mechanism adopts the helical gear design, and its tooth shape meshing rate is more than twice that of the general spur gear, and has the characteristics of smooth operation, low noise, high output torque and low backlash
2. Collet type locking mechanism The connection between the input end and the motor adopts a collet-type locking mechanism and undergoes dynamic balance analysis to ensure the concentricity of the joint interface and zero-backlash power transmission at high input speeds
3. Modular design of motor connection board The unique modular design of the motor connecting plate and shaft is suitable for any brand and type of servo motor;
4. Efficient surface treatment technology The surface of the gearbox is treated with electroless nickel, and the connecting plate of the motor is treated with black anodic treatment to improve the environmental tolerance and corrosion resistance
5. One-piece gearbox body The gearbox and the inner ring gear adopt an integrated design, with compact structure, high precision and large output torque
6. Accurate concentricity of gear bar The sun gear made of the whole gear bar has strong rigidity and accurate concentricity
7. Solid, Single piece sun gear construction obtains precise concentricity with increased strength and rigidity. 8.Precision taper roller bearing support to increases radial and axial loading capacity.
Our Advantages
SERIES: AB/ ABR/ AD/ADS/ ADR/ AF/ AFR/ AFX/ AFXR/ AE/ AER/ AE/ AERS
PLF series, PLE series, ZPLF series, ZPLE series, AB series, ABR series and many other models are available.
Applications
Company Profile
Certifications
Packaging & Shipping
| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Gear Shape: | Planetary |
| Step: | Single-Step |
| Type: | Ab Series Gearbox, Gear Reducer |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|

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


editor by CX 2023-05-24
China Custom Transmission Right Angle Big Output Torque Planetary Gearbox with Motor with Best Sales
Product Description
Transmission Right Angle Big Output Torque Planetary Gearbox With Motor
Key feature:
- Planetary gearbox is produced by modular design, and can be combined according to client’s request
- Involuted planetary gear design
- Nodular cast iron Housing to increase rigidity and antiknock
- Heavy duty bearing on low‐speed shaft, and can bear big radial load due to proportionate distribution of torque
- All gears are case hardened to get high surface hardness, which guarantee transmission efficiency and whole gearbox’s life
- Planetary gearbox has 16 models for different torque range, and each model have 1‐5 reduction stages to achieve different ratios
- Ratio range: 3.15‐9N. M
- Output speed: 0.425‐445 r/min
- Structure mode: Possibility of flange, foot, or shaft mounting solutions
- Wide and comprehensive range of N series for industrial applications
- Low speed shaft design: Cylindrical with key, splined, hollow with shrink disc or splined hollow shaft
- Rigid and precise nodular cast iron casing
- Low noise running, high manufacturing quality standard
- High and reliable performance, load capacity and low speed shaft bearing
N series planetary gearbox torque sheet with models
| Gear unit size | 200 | 201 | 240 | 241 | 280 | 281 | 353/354 | 355 | 400 | 401 |
| Normal output torque T2N[Nm] |
1500 | 2000 | 3500 | 4000 | 4300 | 7300 | 13000 | 16000 | 20000 | 23000 |
| Gear unit size | 428 | 429 | 445 | 446 | 510 | 542 | 543 | 695 | 810 | 885 |
| Normal output torque T2N[Nm] |
26000 | 30000 | 32000 | 43000 | 63000 | 75000 | 100000 | 150000 | 300000 | 420000 |
| Application: | Motor, Machinery, Marine, Agricultural Machinery, Industry |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Coaxial |
| Hardness: | Hardened |
| Installation: | Horizontal Type |
| Step: | Four-Step |
| Samples: |
US$ 500/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

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 CX 2023-05-22
China factory High Torque Planetary Gearbox planetary gearbox design
Product Description
Technical data:
1. Ratio range: 3.15-9N. M
4. Output speed: 0.425-445 r/min
5. Structure mode: Possibility of flange, foot, or shaft mounting solutions
Characteristic:
1. Wide and comprehensive range of N series for industrial applications
2. Low speed shaft design: Cylindrical with key, splined, hollow with shrink disc or splined hollow shaft
3. Rigid and precise nodular cast iron casing
4. Low noise running, high manufacturing quality standard
5. High and reliable performance, load capacity and low speed shaft bearing
| Ratio | 3.15:1 to 9000:1 |
| Reduction Stages | up to 6 reduction stages in 1 gearbox |
| Nominal Output Torque | up to 800,000N.m |
| Application: | Industry |
|---|---|
| Function: | Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Customization: |
Available
| Customized Request |
|---|

A Brief Overview of the Spur Gear and the Helical Planetary Gearbox
This article will provide a brief overview of the Spur gear and the helical planetary gearbox. To learn more about the advantages of these gearboxes, read on. Here are a few common uses for planetary gears. A planetary gearbox is used in many vehicles. Its efficiency makes it a popular choice for small engines. Here are three examples. Each has its benefits and drawbacks. Let’s explore each one.
helical planetary gearbox
In terms of price, the CZPT is an entry-level, highly reliable helical planetary gearbox. It is suitable for applications where space, weight, and torque reduction are of high concern. On the other hand, the X-Treme series is suitable for applications requiring high-acceleration, high-axial and radial loads, and high-speed performance. This article will discuss the benefits of each type of planetary gearbox.
A planetary gearbox’s traction-based design is a variation of the stepped-planet design. This variation relies on the compression of the elements of the stepped-planet design. The resulting design avoids restrictive assembly conditions and timing marks. Compared to conventional gearboxes, compound planetary gears have a greater transmission ratio, and they do so with an equal or smaller volume. For example, a 2:1 ratio compound planet would be used with a 50-ton ring gear, and the result would be the same as a 100-ton ring gear, but the planetary disks would be half the diameter.
The Helical planetary gearbox uses three components: an input, an output, and a stationary position. The basic model is highly efficient and transmits 97% of the input power. There are three main types of planetary gearboxes, each focusing on a different performance characteristic. The CZPT basic line is an excellent place to start your research into planetary gearboxes. In addition to its efficiency and versatility, this gearbox has a host of modular features.
The Helical planetary gearbox has multiple advantages. It is versatile, lightweight, and easy to maintain. Its structure combines a sun gear and a planet gear. Its teeth are arranged in a way that they mesh with each other and the sun gear. It can also be used for stationary applications. The sun gear holds the carrier stationary and rotates at the rate of -24/16 and -3/2, depending on the number of teeth on each gear.
A helical planetary gearbox can reduce noise. Its shape is also smaller, reducing the size of the system. The helical gears are generally quieter and run more smoothly. The zero helix-angle gears, in contrast, have smaller sizes and higher torque density. This is a benefit, but the latter also increases the life of the system and is less expensive. So, while the helical planetary gearbox has many advantages, the latter is recommended when space is limited.
The helical gearbox is more efficient than the spur gear, which is limited by its lack of axial load component. The helical gears, on the other hand, generate significant axial forces in the gear mesh. They also exhibit more sliding at the points of tooth contact, adding friction forces. As such, the Helical planetary gearbox is the preferred choice in servo applications. If you’re looking for a gearbox to reduce noise and improve efficiency, Helical planetary gearboxes are the right choice.
The main differences between the two types of planetary gears can be found in the design of the two outer rings. The outer ring is also called the sun gear. The two gears mesh together according to their own axes. The outer ring is the planetary gear’s carrier. Its weight is proportional to the portion of the ring that is stationary. The carrier sets the gaps between the two gears.
Helical gears have angled teeth and are ideal for applications with high loads. They are also extremely durable and can transfer a high load. A typical Helical gearbox has two pairs of teeth, and this ensures smooth transmission. In addition, the increased contact ratio leads to lower fluctuations in mesh stiffness, which means more load capacity. In terms of price, Helical planetary gears are the most affordable gearbox type.
The outer ring gear drives the inner ring gear and surrounding planetary parts. A wheel drive planetary gearbox may have as much as 332,000 N.m. torque. Another common type of planetary gearbox is wheel drive. It is similar to a hub, but the outer ring gear drives the wheels and the sun gear. They are often combined over a housing to maximize size. One-stage Helical gears can be used in bicycles, while a two-stage planetary gear system can handle up to 113,000 N.m. torque.
The design of a helical planetary geartrain is complicated. It must comply with several constraints. These constraints relate to the geometrical relationship of the planetary geartrains. This study of the possible design space of a Helical geartrain uses geometric layouts. The ring gear, sun, and ring gear have no effect on the ratio of the planetary transmission. Nonetheless, helical geartrains are a good choice for many applications.
Spur gear planetary gearbox
The combination of planetary gears and spur gears in a transmission system is called a planetary or spur gearbox. Both the planetary gear and spur gear have their own characteristics and are used in various kinds of vehicles. They work in a similar way, but are built differently. Here are some important differences between the two types of gears. Listed below are some of the most important differences between them:
Helical gears: As opposed to spur gears, helical gears generate significant axial forces in the gear mesh. They also feature greater sliding contact at the point of tooth contact. The helix angle of a gearbox is generally in the range of 15 to 30 degrees. The higher the helix angle, the more axial forces will be transmitted. The axial force in a helical gearbox is greater than that of a spur gear, which is the reason why helical gears are more efficient.
As you can see, the planetary gearhead has many variations and applications. However, you should take care in selecting the number of teeth for your planetary gear system. A five:1 spur gear drive ratio, for example, means that the sun gear needs to complete five revolutions for every output carrier revolution. To achieve this, you’ll want to select a sun gear with 24 teeth, or five mm for each revolution. You’ll need to know the metric units of the planetary gearhead for it to be compatible with different types of machines.
Another important feature of a planetary gearbox is that it doesn’t require all of the spur gears to rotate around the axis of the drive shaft. Instead, the spur gears’ internal teeth are fixed and the drive shaft is in the same direction as the output shaft. If you choose a planetary gearbox with fixed internal teeth, you’ll need to make sure that it has enough lubrication.
The other significant difference between a spur gear and a planetary gearbox is the pitch. A planetary gearbox has a high pitch diameter, while a spur gear has low pitch. A spur gear is able to handle higher torques, but isn’t as efficient. In addition, its higher torque capability is a big drawback. Its efficiency is similar to that of a spur gear, but it is much less noisy.
Another difference between planetary and spur gear motors is their cost. Planetary gear motors tend to be more expensive than spur gear motors. But spur gears are cheaper to produce, as the gears themselves are smaller and simpler. However, planetary gear motors are more efficient and powerful. They can handle lower torque applications. But each gear carries a fixed load, limiting their torque. A spur gear motor also has fewer internal frictions, so it is often suited for lower torque applications.
Another difference between spur gears and planetary gears is their orientation. Single spur gears are not coaxial gearboxes, so they’re not coaxial. On the other hand, a planetary gearbox is coaxial, meaning its input shaft is also coaxial. In addition to this, a planetary gearbox is made of two sets of gear wheels with the same orientation. This gives it the ability to achieve concentricity.
Another difference between spur gears and planetary gears is that a planetary gear has an integer number of teeth. This is important because each gear must mesh with a sun gear or a ring gear. Moreover, each planet must have a corresponding number of teeth. For each planet to mesh with the sun, the teeth must have a certain distance apart from the other. The spacing between planets also matters.
Besides the size, the planetary gear system is also known as epicyclic gearing. A planetary gear system has a sun gear in the center, which serves as the input gear. This gear has at least three driven gears. These gears engage with each other from the inside and form an internal spur gear design. These gear sets are highly durable and able to change ratios. If desired, a planetary gear train can be converted to another ratio, thereby enhancing its efficiency.
Another important difference between a spur gear and a planetary gearbox is the type of teeth. A spur gear has teeth that are parallel to the shaft, while a planetary gear has teeth that are angled. This type of gear is most suitable for low-speed applications, where torque is necessary to move the actuation object. Spur gears also produce noise and can damage gear teeth due to repeated collisions. A spur gear can also slip, preventing torque from reaching the actuation object.


editor by CX 2023-05-17
China Hot selling CZPT Brand High Torque Planetary Gearbox for Wooden Machine supplier
Product Description
Newgear Brand High Torque Planetary Gearbox for Wooden Machine
The main transmission structure of planetary reducer is planetary gear, sun gear, internal gear ring and planetary carrier. Planetary gear reducer has the advantages of small volume, high transmission efficiency, wide deceleration range and high precision. It is widely used in the transmission system of servo motor, stepping motor, DC motor and other motors. Its function is to reduce speed, increase torque, reduce load and motor moment of inertia ratio on the premise of ensuring precision transmission.
Product Parameters
Characteristic:
(1) Low Noise:The use of helical gear design,to achieve a smooth,quite operation of the reducer.
(2) High Precision:Backlash is 3 arcmin or less,accurate positioning.
(3) High Rigidity,High Torque:The output shaft used large size,large span double support bearing design,which improves the rigidity and torque of the reducer.
(4) High Efficiency:1-stage up to 95% or more,2-stage up to 92% or more.
(5) Maintenance-Free:Low grease wear,can be lifetime lubrication.
(6) Sealing Effect is Good:Lubricating grease with high viscosity,not easy to separate the characteristics,ip65 protection class to ensure that no grease leakage.
(7) Installation Unrestrained:Can be installed arbitrarily.
(8) Wide Applicability:Applicable to any type of servo motor.
(9) An organic [integral] whole output axis.
| Specifications | PA60 | PA90 | PA120 | PA140 | PA180 | PA220 | |||
| Technal Parameters | |||||||||
| Max. Torque | Nm | 1.5times rated torque | |||||||
| Emergency Stop Torque | Nm | 2.5times rated torque | |||||||
| Max. Radial Load | N | 1530 | 3250 | 6700 | 9400 | 14500 | 16500 | ||
| Max. Axial Load | N | 630 | 1300 | 3000 | 4700 | 7250 | 8250 | ||
| Torsional Rigidity | Nm/arcmin | 6 | 12 | 23 | 47 | 130 | 205 | ||
| Max.Input Speed | rpm | 8000 | 6000 | 6000 | 6000 | 6000 | 3000 | ||
| Rated Input Speed | rpm | 4000 | 3000 | 3000 | 3000 | 3000 | 1500 | ||
| Noise | dB | ≤58 | ≤60 | ≤65 | ≤68 | ≤68 | ≤72 | ||
| Average Life Time | h | 20000 | |||||||
| Efficiency Of Full Load | % | L1≥95% L2≥90% | |||||||
| Return Backlash | P1 | L1 | arcmin | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 |
| L2 | arcmin | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ||
| P2 | L1 | arcmin | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
| L2 | arcmin | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.16 | 0.61 | 3.25 | 9.21 | 28.98 | 69.7 |
| 4 | Kg*cm2 | 0.14 | 0.48 | 2.74 | 7.54 | 23.67 | 54.61 | ||
| 5 | Kg*cm2 | 0.13 | 0.47 | 2.71 | 7.42 | 23.29 | 53.51 | ||
| 7 | Kg*cm2 | 0.13 | 0.45 | 2.62 | 7.14 | 22.48 | 50.92 | ||
| 8 | Kg*cm2 | 0.13 | 0.45 | 2.6 | 7.14 | / | / | ||
| 10 | Kg*cm2 | 0.13 | 0.4 | 2.57 | 7.03 | 22.51 | 50.18 | ||
| L2 | 12 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | 23.59 | |
| 15 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | 23.59 | ||
| 20 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 6.92 | 23.33 | ||
| 25 | Kg*cm2 | 0.13 | 0.45 | 0.4 | 2.63 | 6.92 | 22.68 | ||
| 28 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | 23.33 | ||
| 30 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 7.3 | 25.59 | ||
| 35 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.43 | 6.92 | 22.68 | ||
| 40 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | 23.33 | ||
| 50 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.92 | 22.68 | ||
| 70 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | 22.68 | ||
| 100 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | 22.68 | ||
| Technical Parameter | Level | Ratio | PA60 | PA90 | PA120 | PA140 | PA180 | PA220 | |
| Rated Torque | L1 | 3 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 |
| 4 | Nm | 45 | 130 | 230 | 480 | 880 | 1800 | ||
| 5 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 7 | Nm | 45 | 100 | 220 | 480 | 1100 | 1600 | ||
| 8 | Nm | 40 | 90 | 200 | 440 | / | / | ||
| 10 | Nm | 30 | 75 | 175 | 360 | 770 | 1200 | ||
| L2 | 12 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | |
| 15 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | ||
| 20 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 25 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 28 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 30 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | ||
| 35 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 40 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 50 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 70 | Nm | 45 | 100 | 220 | 480 | 1100 | 1600 | ||
| 100 | Nm | 30 | 75 | 175 | 360 | 770 | 1200 | ||
| Degree Of Protection | IP65 | ||||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | |||||||
| Weight | L1 | kg | 1.25 | 3.75 | 8.5 | 16 | 28.5 | 49.3 | |
| L2 | kg | 1.75 | 5.1 | 12 | 21.5 | 40 | 62.5 | ||
Company Profile
Packaging & Shipping
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Textile Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Gear Shape: | Bevel Gear |
| Step: | Single-Step |
| Samples: |
US$ 75/Set
1 Set(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Planetary Gearbox Components
The basic components of a planetary gearset are an input, output, and stationary position. Different types of planetary gearboxes will have different output ratios and torques. A leading company for planetary gearbox design, CZPT, provides the necessary components. These components can vary in both male and female shafts and come with a variety of modular options. Here are a few things to consider about each component.
CFHK Series
The CFHK Series is a multistage planetary gearbox that contains multiple planetary gears. The multiple teeth of each planetary gear mesh simultaneously during operation to increase the transmittable torque. The gears are case hardened and ground, and the ratios of the planetary gears are integers. They were first functionally described by Leonardo da Vinci in 1490. Today, the CFHK Series is a favorite among automotive engineers and manufacturers.
The CH Series offers high accuracy with a compact design and case hardened, hypoid, and helical gearing. These gearboxes are also available in the CFXR series, with low backlash and friction. These planetary gearboxes are designed to provide high torque and high precision in a variety of applications. In addition, the CFXR series features 100% helical gearing and low backlash.
The CFHK Series features a sun gear that drives the next stage. These gears can be put in series or serially in the same housing. In some cases, the output shaft of the first stage becomes the input shaft of the second stage. In addition, ring gears are also used as structural parts of smaller gearboxes. An example of a planetary gearbox is the pencil sharpener mechanism. The pencil is placed on an axis that is set on a sun gear. The sun gear drives the next planet stage.
A planetary gear unit’s gear ratio is determined by the number of teeth in the sun gear and ring gear. The smaller the sun gear, the smaller the ratio between the sun gear and planet gears. The largest gear ratio in a planetary gear unit is 10:1. A higher number of teeth increases the transmission ratio. In order to maximize torque, the planetary gears must be rearranged. A smaller sun gear will have higher torque than a large ring gear.
CFX Series
The HPN Harmonic Planetary(r) Series planetary gearboxes offer a low-cost solution with high-performance and high-reliability. This modular design is easy to install and requires very little maintenance. Its planetary design and full complement of needle rollers allow for extended life and quiet operation. In addition, the HPN Harmonic Planetary(r) Series is available in a range of sizes.
The compact size and high-speed design of planetary gearboxes results in excellent heat dissipation. However, high-speed or sustained performance applications may require lubricants. A planetary gearbox will have smaller minimum steps to minimize noise and vibration. Planetary gears will give you the highest level of efficiency while minimizing noise. As a result, they can provide high-quality 3D prints.
A planetary gear train is composed of a ring gear and planet gears, each supported by a carrier. A ring gear is pink, while the sun gear is red. The sun gear and carrier rotate around each other at a 45-degree angle. This is also known as an epicyclic gear. Planetary gearboxes are often found in space-constrained applications. The CFX Series features a compact design and excellent performance.
The CFX Series features a robust design that is easy to install. Its compact size makes installation of planetary gearboxes easier and faster. They are available in three different configurations for continuous, intermittent, and counter-clockwise operation. The CFX Series offers the perfect solution for your accelerating needs. They’re a great solution for any automotive or industrial application. You can easily configure the CFX Series to meet your specific requirements.
CAP Series
The Candy Controls CAP Series is a new generation of compact, precision planetary gearboxes that combine high torques with low backlash and exceptional wear resistance. This rotary flange planetary gearbox is ideal for a variety of industrial, mining and marine applications. Its modular construction enables users to easily mount different stages, hydraulic or electric motors, and different types of gears. Its CPH Series features an extremely rigid alloy steel housing, carburized gears, and induction hardened gears.
The CAP Series utilizes multiple planetary gears for high torque transmission. The number of planetary gears is not fixed, but most planetary gearboxes utilize at least three. The larger the number of planetary gears, the higher the transmittable torque. A planetary gearbox is composed of multiple planetary gears with a meshing action that occurs simultaneously during operation. The result is a higher efficiency and a smoother, quieter operation than a conventional gearbox.
The VersaPlanetary range features modular design for easy installation. This system includes mounting plates for typical FIRST (r) Robotics Competition motors. The mounting plates are designed to fit each motor. These planetary gearboxes are compatible with various types of motors, from small electric motors to large, heavy duty ones. They are also compatible with a variety of mounting systems, including CIM motors.
CAPK Series
The CZPT APK Series is a high precision, rotary flange style planetary gearbox. Its case hardened and ground gears are designed to provide excellent wear resistance, low backlash, and excellent precision. The CAPK Series offers high axial and moment load capacities in a compact housing. CZPT is the world leader in the production of planetary gearboxes. The CAPK Series features an array of high-quality, innovative features.
CZPT SMART Lubrication technology is used to keep the gears well-lubricated and reduce noise and vibration. The planetary gearbox’s 3-gear design is ideal for DIY CNC robotics. This series has a long history of quality, and CZPT uses only the best components. The CZPT 3:1 High Precision Planetary Gearbox is an excellent choice for CNC Robotics and other applications.
A multi-stage planetary gearbox combines individual ratios for a greater number of ratios. Additional planetary gears increase the transmittable torque. The direction of the output and drive shaft are always identical. The CAPK Series features a high-quality, durable construction. They are made from stainless steel and offer a long-term warranty. They are the best choice for industrial and commercial applications. While planetary gears are more expensive, they are highly efficient.
CFH Series
The Candy CFH Series planetary gearboxes offer the benefits of a modular design and a low backlash. They offer a variety of size options and excellent durability. This planetary gearbox is compact and wear resistant. The CFH Series planetary gearbox has a carburized, induction hardened gears and a rigid alloy steel housing. Its low backlash and precision make it an excellent choice for industrial applications.
The CFH Series planetary gearbox is a highly efficient, high-speed helical gear. The compact design of this gearbox results in high heat dissipation and low mass inertia. Planet carrier bearings experience significant lateral forces from the transmission of torque. As a result, radial and axial forces oppose each other. The result is that the torque is distributed over three gears, reducing noise, vibration, and wear.
The planetary gearbox has three main components: a sun gear (also known as the input gear), a ring gear, and two planet gears. These are connected by a carrier that rotates about a 45-degree clockwise axis. The CFH Series of gears is available in triple and double stages. They can also be used in electric motors. As a result, the CFH Series is highly versatile.
The CFH Series of planetary gearboxes can be found in all kinds of applications, including automotive transmissions. Their compact design and high-performance performance make them a popular choice for space-constrained applications. This gearbox has several benefits and is a great alternative to a conventional helical gearbox. These gearboxes are highly effective for reducing torque and speed, and are compact enough to fit in most applications.
CZPT
If you need a high-quality planetary gearbox, the CZPT Planetary Series is the right choice. This Italian company designs and manufactures gearboxes in its San Polo d’Enza, Italy, facility with 11 branch offices and three production facilities. The company is attempting to replicate the success of the Italian Super Car industry, which has gained global recognition. The company provides a range of gearboxes for use in heavy industry, agriculture, offshore, aerial and marine work.
With over 40 years of experience, CZPT manufactures a wide range of high-quality gearboxes. From bevel-helical units to Helical units, wheel gears and negative brakes, the company has been manufacturing quality components for many industries. CZPT is a trusted Australian distributor of CZPT gear components. The company is dedicated to providing the best planetary gears for every industry.
If your CZPT Planetary gearbox is malfunctioning, you can have it repaired quickly and easily. The company uses quality materials and a variety of sizes and output ratios to cater to the most demanding applications. In addition, you can customize your gearbox to suit your specific needs. CZPT Planetary Gearboxes are highly versatile and customizable, offering infinite scalability.


editor by CX 2023-05-11