China manufacturer Pls/Ab/Nb Reducer Gear Box Pab Series Planetary Gears Reducer Motor Drive for Winch Packing Machine gear box

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






Company Profile




Packaging & Shipping



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

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gear drive

What are the noise and vibration levels in gear drives

What are the noise and vibration levels in gear drives?

The noise and vibration levels in gear drives can vary depending on various factors. Here’s a detailed explanation:

1. Gear Design and Tooth Profile:

– The gear design and tooth profile can significantly impact the noise and vibration levels in gear drives.

– Well-designed gear drives with optimized tooth profiles, such as involute or helical gears, can help minimize noise and vibration.

– Gear tooth modifications, such as crowning or tip relief, can also improve tooth contact and reduce noise and vibration.

2. Gear Quality and Manufacturing:

– The quality of gear manufacturing plays a crucial role in noise and vibration levels.

– Higher quality gears with tighter tolerances and better surface finishes tend to generate less noise and vibration.

– Precise gear manufacturing processes, such as grinding or honing, can improve gear accuracy and reduce noise.

3. Lubrication and Wear:

– Proper lubrication is essential for reducing noise and vibration in gear drives.

– Insufficient or degraded lubrication can lead to increased friction and wear, resulting in higher noise and vibration levels.

– Regular maintenance, including lubricant replacement and monitoring, helps ensure optimal gear drive performance and minimize noise and vibration.

4. Gear Misalignment and Assembly:

– Misalignment of gears during assembly can introduce noise and vibration issues.

– Proper alignment and precise assembly techniques are crucial to minimize gear misalignment and associated noise and vibration levels.

– Adequate preloading of gears and ensuring proper meshing engagement can also help reduce noise and vibration.

5. Operating Conditions:

– The operating conditions, such as speed, load, and temperature, can influence noise and vibration levels in gear drives.

– Higher speeds and heavier loads can increase the likelihood of noise and vibration generation.

– Elevated temperatures can also affect gear performance and contribute to increased noise and vibration.

6. Gear Drive Maintenance:

– Regular maintenance and inspection of gear drives are essential to identify and address any issues contributing to noise and vibration.

– Maintenance activities, such as gear re-alignment, lubricant replacement, and gear tooth inspection, can help minimize noise and vibration levels.

– Timely replacement of worn or damaged gears can also help maintain optimal gear drive performance.

It’s important to note that while efforts can be made to reduce noise and vibration in gear drives, it may not be possible to completely eliminate them. The specific noise and vibration levels in gear drives can vary depending on the application, gear type, design, manufacturing quality, and operating conditions. Manufacturers and engineers often employ noise and vibration analysis techniques and standards to ensure that gear drives meet acceptable noise and vibration criteria for their intended applications.

gear drive

How do temperature variations impact gear drive operation?

Temperature variations can have a significant impact on the operation of gear drives. Here’s a detailed explanation:

1. Thermal Expansion:

– Gear drives are composed of different materials with varying coefficients of thermal expansion.

– Temperature variations can cause differential expansion and contraction of the gear components, leading to changes in gear meshing and alignment.

– This can result in increased backlash, decreased accuracy, and potential loss of efficiency in the gear drive system.

2. Lubricant Properties:

– Temperature changes can affect the properties of the lubricant used in the gear drive.

– High temperatures can cause the lubricant to degrade, lose viscosity, and reduce its ability to provide adequate lubrication and protection to the gear teeth.

– Conversely, low temperatures can cause the lubricant to thicken, leading to increased friction and reduced efficiency.

3. Thermal Stress:

– Rapid temperature changes or extreme temperature differentials can induce thermal stress in the gear drive components.

– Thermal stress can lead to material fatigue, distortion, and potential failure of the gears, shafts, or other critical components.

– It is particularly important to consider thermal stress in gear drives operating in environments with frequent temperature cycling.

4. Thermal Deformation:

– Temperature variations can cause thermal deformation in gear drive components.

– Gear teeth, shafts, and housings may expand or contract, leading to misalignment, changes in gear tooth profile, and potential gear meshing issues.

– Thermal deformation can result in increased noise, vibration, and accelerated wear of the gear drive system.

5. Lubricant Evaporation:

– High temperatures can cause the evaporation of volatile components in the lubricant.

– Lubricant evaporation can lead to a loss of lubrication and inadequate protection for the gear teeth, resulting in increased friction, wear, and potential gear damage.

6. Sealing and Contamination:

– Temperature variations can affect the effectiveness of seals and gaskets used in gear drives.

– Thermal expansion or contraction can compromise the sealing integrity, allowing contaminants, moisture, or dust to enter the gear drive system.

– Contamination can accelerate wear, increase friction, and reduce the overall lifespan of the gear drive.

Considering these factors, temperature variations must be carefully managed in gear drive applications. Proper design considerations, material selection, lubrication choices, and sealing mechanisms can help mitigate the adverse effects of temperature changes. Regular monitoring, maintenance, and appropriate lubricant selection can also contribute to minimizing the impact of temperature variations on gear drive operation, ensuring optimal performance, efficiency, and longevity of the system.

gear drive

What are the advantages of using a gear drive in mechanical systems?

Using a gear drive in mechanical systems offers several advantages. Here’s a detailed explanation of the key advantages:

1. Power Transmission:

– Gear drives provide an efficient and reliable means of transmitting power between rotating shafts.

– They can transmit high torque levels, allowing for the efficient transfer of power in various applications.

2. Speed Control:

– Gear drives allow for precise control over rotational speed and provide different speed reduction or increase options through gear ratio selection.

– This speed control capability is crucial in applications that require specific speed requirements or variable speed control.

3. Torque Amplification:

– Gear drives can amplify torque, enabling the conversion of low-torque, high-speed input into high-torque, low-speed output.

– This torque amplification is beneficial in applications that require high torque for heavy loads or starting/stopping operations.

4. Directional Control:

– Gear drives can change the direction of rotational motion between input and output shafts.

– They allow for the transmission of motion in a desired direction, making them essential in applications that require reversing or changing the direction of rotation.

5. Compact Design:

– Gear drives offer a compact and space-efficient solution for power transmission.

– They can transmit power in a relatively small footprint, making them suitable for applications with limited space or where size and weight are critical factors.

6. Mechanical Efficiency:

– Gear drives have high mechanical efficiency, meaning they minimize power losses during transmission.

– With proper lubrication and maintenance, gear drives can achieve efficiency levels above 90%, resulting in energy savings and reduced operating costs.

7. Versatility:

– Gear drives are versatile and can be adapted to various applications and industries.

– They are used in a wide range of machinery, vehicles, industrial equipment, and even in everyday devices like watches and bicycles.

– Different types of gears and gear arrangements allow for customization to meet specific needs, such as high speed, high torque, or precise motion control.

In summary, using a gear drive in mechanical systems provides advantages such as efficient power transmission, speed control, torque amplification, directional control, compact design, high mechanical efficiency, and versatility. These advantages make gear drives a fundamental component in numerous applications, contributing to the reliable and efficient operation of various mechanical systems.

China manufacturer Pls/Ab/Nb Reducer Gear Box Pab Series Planetary Gears Reducer Motor Drive for Winch Packing Machine gear boxChina manufacturer Pls/Ab/Nb Reducer Gear Box Pab Series Planetary Gears Reducer Motor Drive for Winch Packing Machine gear box
editor by Dream 2024-04-23


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