China wholesaler Pls/Ab/Nb Planetary Gears Pab Series with Gear Ratio10 High Torque Gear Reducer Motor Drive manufacturer

Product Description

Product Description

Helical Gear Motor Box PAB 42mm Speed Reducer High Speed Small Planetary Gearbox

3F PAB series high precision planetary gearbox adopts the integrated design of planet carrier and output shaft to ensure the maximum torque stiffness and stability. Several backlash types can be chosen depends on customers’ needs: Micro precision backlash (P0), precision backlash (P1) and standard backlash (P2) are available. Thanks to the high cost performance of 3F PAB series planetary gearbox, it is widely used in motion control industries for servo application. 3F PAB precision gearboxes are featured with high torque and the input diameter D4 can be up to φ255mm, which can greatly meet the customer needs. Single-stage planetary gearboxes and two-stage gearboxes are available:

.One-stage ratio : 3, 4, 5, 6, 7, 8, 9, 10
.Two-stage ratio: 12, 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100
.Note: Three-stage technical data are not available in 3F catalogue. If needed, please contact our salesmen.

 

 

 

Overview of PAB Planetary Reducer

* The minimum backlash can reach to 0-3 arcmin.
* With the advantages of high High torque and high strength.
* It can be applied for any servo motors and stepper motor.
* The positioning time of starting and stoppingis shorter.
* High rigidity and high motor rotor inertia.
* Due to the miniaturization of motor power, it can achieve the stability of inertia load and small vibration.

Product Parameters

 

Product type   PLS60 PLS90 PLS115 PLS142 Reduction rqatio Number of stage

Rated output torque

N.M 30 75 150 400 3 1
40 100 200 560 4
50 110 210 700 5
37  62 148 450 8
27 45 125 305 10
77  120 260 910 12 2
68  110 210 780 15
77 120 260 910 16
77  110 260 910 20
68  110 210 780 25
77 120 260 910 32
68 110 210 780 40
37  62 148 450 64
27  45 125 305 100
Life Hour 30,000   
Instant stop torque N.M Two times of rated output torque  
 
Product type  PLS60 PLS90 PLS115 PLS142   Number of stage
max radial torque 3000  3900 4300 8200 N  
max axial torque 6000  9000 12000 19000 N  
Fullload efficiency 98 % 1
95 2
weight 3.0 4.3 9.0 15.4 kg 1
3.8 5.7 11.6 18.5 2
operating temperature -25ºC~+90ºC ºC  
IP lp65  
Lubirication type Lifetime lubrication  
Mounting type Any  
The max radial and axial torque work in the location of the center of output shaft when the out speed is 100RPM.

 

Detailed Photos

 

 

Application

 

 

Company Profile

 

Certifications

 

Packaging & Shipping

 

 

 

Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Planetary
Step: Single-Step
Type: Gear Reducer
Samples:
US$ 100/Piece
1 Piece(Min.Order)

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epicylic gear

Can planetary gears be used in automotive applications?

Planetary gears are widely used in various automotive applications due to their numerous advantages. Let’s explore how planetary gears can be utilized in the automotive industry:

  • Automatic Transmissions:

One of the primary applications of planetary gears in automobiles is in automatic transmissions. Automatic transmissions use a combination of planetary gear sets to achieve different gear ratios, allowing for smooth and efficient shifting between gears. The compact size and high torque capacity of planetary gears make them well-suited for this purpose, providing reliable and efficient power transmission in vehicles.

  • Four-Wheel Drive Systems:

Planetary gears are also employed in four-wheel drive systems, where they help distribute power between the front and rear wheels. By utilizing planetary gear arrangements, the torque can be split between the front and rear axles, providing improved traction and stability on various road conditions. This allows vehicles to have enhanced off-road capabilities and better performance in challenging driving situations.

  • Hybrid and Electric Vehicles:

Planetary gears play a crucial role in hybrid and electric vehicle powertrains. In these vehicles, planetary gear sets are often used to combine the power from the internal combustion engine and the electric motor. The gear arrangement allows for seamless transitions between different power sources, enabling efficient energy management and optimized performance.

  • Start-Stop Systems:

Start-stop systems, which automatically shut off the engine when the vehicle is stationary and restart it when needed, often incorporate planetary gears. These gears help engage and disengage the engine from the drivetrain smoothly, ensuring a quick and seamless transition between the engine’s off and on states. Planetary gears contribute to the overall efficiency and reliability of start-stop systems.

  • Power Steering:

Some power steering systems in automobiles utilize planetary gears to provide assistance in steering. These gears help amplify the driver’s input torque, making steering easier and more responsive. The compact size and high torque capacity of planetary gears make them suitable for power steering applications.

In summary, planetary gears find extensive use in automotive applications, including automatic transmissions, four-wheel drive systems, hybrid and electric vehicle powertrains, start-stop systems, and power steering. Their compact size, high torque capacity, and ability to achieve multiple gear ratios make them well-suited for these applications, providing efficient power transmission, improved performance, and enhanced driving experience in vehicles.

epicylic gear

How do planetary gears contribute to speed reduction and torque amplification?

Planetary gears offer the capability of both speed reduction and torque amplification, making them versatile components in various mechanical systems. Let’s explore how planetary gears achieve these functions:

  • Speed Reduction:

Planetary gears can reduce rotational speed by utilizing their gear arrangement. The key elements involved in speed reduction are the sun gear, planet gears, and ring gear. Consider the following scenarios:

  • Epicyclic Gear Set:

In a basic planetary gear arrangement, when the sun gear is used as the input and the ring gear is fixed, the planet gears rotate on their own axes while also revolving around the sun gear. This configuration causes the output speed to be lower than the input speed. The reduction in speed is determined by the gear ratios between the sun gear, planet gears, and ring gear.

  • Multiple Stages:

Planetary gears can be combined into multiple stages, with each stage having its own set of sun gears, planet gears, and ring gears. By connecting the output of one stage to the input of another, the rotational speed can be further reduced. This allows for greater flexibility in achieving the desired speed reduction in complex mechanical systems.

  • Torque Amplification:

Planetary gears are also capable of amplifying torque, enabling them to handle higher loads and provide increased output torque. The torque amplification occurs in the following scenarios:

  • Epicyclic Gear Set:

When the sun gear is used as the input and the ring gear is the output, the planet gears rotate on their own axes while also revolving around the sun gear. This arrangement allows for torque amplification, meaning the output torque can be higher than the input torque. The specific torque amplification factor depends on the gear ratios and the number of planet gears in the system.

  • Combination of Gear Stages:

By combining multiple stages of planetary gears, torque amplification can be further increased. Each stage contributes to the overall torque amplification, allowing the system to handle even higher loads and transmit greater torque.

In summary, planetary gears contribute to speed reduction by utilizing the gear ratios between the sun gear, planet gears, and ring gear. They achieve torque amplification by utilizing the arrangement of the gears in an epicyclic gear set, as well as through the combination of multiple gear stages. These capabilities make planetary gears valuable in various applications where speed reduction and torque amplification are required, such as automotive transmissions, industrial machinery, and power transmission systems.

epicylic gear

How do planetary gears differ from other types of gear arrangements?

Planetary gears, also known as epicyclic gears, possess unique characteristics and differ from other types of gear arrangements in several ways. Let’s explore the distinguishing features of planetary gears:

  • Internal Gear Meshing:

Unlike other gear arrangements where the gears typically mesh externally, planetary gears have internal gear meshing. This means that the gear teeth of the sun gear, planet gears, and ring gear are located on the inside surfaces, allowing for compact and space-efficient designs.

  • Multiple Gear Sets:

Planetary gear systems consist of multiple gear sets working in parallel or series. These gear sets include the sun gear, planet gears, and ring gear. By combining and configuring these gear sets, different gear ratios and torque distributions can be achieved, providing versatility and flexibility in various applications.

  • Central Sun Gear:

A distinctive feature of planetary gears is the presence of a central sun gear. The sun gear is typically driven by an input source, such as a motor or engine. It is located at the center of the gear arrangement and serves as the primary driver for overall gear operation.

  • Orbiting Planet Gears:

In planetary gears, the planet gears rotate on their own axes while simultaneously orbiting around the sun gear. This combination of rotational and orbital movement allows for efficient torque transmission and enables the gear arrangement to achieve different gear ratios based on the relative sizes and positions of the gears.

  • Compact Size:

One of the key advantages of planetary gears is their compact size. The internal gear meshing and the arrangement of multiple gear sets within a single gear system contribute to their space-saving design. This makes planetary gears suitable for applications where size and weight restrictions are important considerations.

  • Wide Range of Applications:

Planetary gears find applications in various industries and mechanical systems. They are commonly used in automotive transmissions, industrial machinery, robotics, aerospace systems, and more. Their ability to achieve different gear ratios, transmit torque efficiently, and operate in compact spaces makes them versatile solutions in diverse engineering applications.

In summary, planetary gears differ from other types of gear arrangements due to their internal gear meshing, multiple gear sets, central sun gear, orbiting planet gears, compact size, and wide range of applications. These characteristics make planetary gears suitable for achieving various gear ratios, transmitting torque efficiently, and meeting the space requirements of different mechanical systems.

China wholesaler Pls/Ab/Nb Planetary Gears Pab Series with Gear Ratio10 High Torque Gear Reducer Motor Drive manufacturer China wholesaler Pls/Ab/Nb Planetary Gears Pab Series with Gear Ratio10 High Torque Gear Reducer Motor Drive manufacturer
editor by CX 2023-09-25