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Product Description

 
 

Product Description

Product Parameters

ParametersUnitLevelReduction RatioFlange Size Specification
047064090110142200255
Rated Output Torque T2nN.m14195014029054210501700
5226016033065012002000
6205514030055011001800
7195014030055011001800
8174512026050010001600
1014401002304509001500
216226016033065012002000
20226016033065012002000
25226016033065012002000
28195014030055011001800
35226016033065012002000
40226016033065012002000
50226016033065012002000
70195014030055011001800
10014401002304509001500
3160226016033065012002000
200226016033065012002000
250226016033065012002000
280195014030055011001800
350226016033065012002000
400226016033065012002000
500226016033065012002000
700195014030055011001800
100014401002304509001500
Maximum output torque T2bN.m1,2,33~10003Times of Rated Output Torque
Rated input speed N1nrpm1,2,33~10005000500030003000300030002000
Maximum input speed N1brpm1,2,33~1000100001000060006000600060004000
Ultra Precision Backlash PSarcmin13~10≤1≤1≤1≤1≤1≤1≤1
arcmin212~100≤2≤2≤2≤2≤2≤2≤2
arcmin3120~1000≤5≤5≤5≤5≤5≤5≤5
High precision backlash P0arcmin13~10≤2≤2≤2≤2≤2≤2≤2
arcmin212~100≤3≤3≤3≤3≤3≤3≤3
arcmin3120~1000≤7≤7≤7≤7≤7≤7≤7
Precision backlash P1arcmin13~10≤3≤3≤3≤3≤3≤3≤3
arcmin212~100≤5≤5≤5≤5≤5≤5≤5
arcmin312~1000≤9≤9≤9≤9≤9≤9≤9
Standard backlash P2arcmin13~10≤5≤5≤5≤5≤5≤5≤5
arcmin212~100≤7≤7≤7≤7≤7≤7≤7
arcmin3120~1000≤11≤11≤11≤11≤11≤11≤11
Torsional rigidityNm/arcmin1,2,33~100034.5142550145225
Allowable radial force F2rb2N1,2,33~100078015503250670094001450030000
Allowable axial force F2ab2N1,2,33~1000390770163033504700725014000
Moment of inertia J1kg.cm213~100.050.21.227.22565
212~1000.030.080.180.71.77.914
3120~10000.030.030.010.040.090.210.82
service lifehr1,2,33~100020000
Efficiency η%13~1097%
212~10094%
3120~100091%
Noise leveldB1,2,33~1000≤56≤58≤60≤63≤65≤67≤70
Operating TemperatureºC1,2,33~1000-10~+90
Protection classIP1,2,33~1000IP65
weightskg13~100.61.33.98.7163148
212~1000.81.84.610203962
3120~10001.22.35.310.5214166

FAQ

Q: How to select a gearbox?

A: Firstly, determine the torque and speed requirements for your application. Consider the load characteristics, operating environment, and duty cycle. Then, choose the appropriate gearbox type, such as planetary, worm, or helical, based on the specific needs of your system. Ensure compatibility with the motor and other mechanical components in your setup. Lastly, consider factors like efficiency, backlash, and size to make an informed selection.

Q: What type of motor can be paired with a gearbox?

A: Gearboxes can be paired with various types of motors, including servo motors, stepper motors, and brushed or brushless DC motors. The choice depends on the specific application requirements, such as speed, torque, and precision. Ensure compatibility between the gearbox and motor specifications for seamless integration.

Q: Does a gearbox require maintenance, and how is it maintained?

A: Gearboxes typically require minimal maintenance. Regularly check for signs of wear, lubricate as per the manufacturer’s recommendations, and replace lubricants at specified intervals. Performing routine inspections can help identify issues early and extend the lifespan of the gearbox.

Q: What is the lifespan of a gearbox?

A: The lifespan of a gearbox depends on factors such as load conditions, operating environment, and maintenance practices. A well-maintained gearbox can last for several years. Regularly monitor its condition and address any issues promptly to ensure a longer operational life.

Q: What is the slowest speed a gearbox can achieve?

A: Gearboxes are capable of achieving very slow speeds, depending on their design and gear ratio. Some gearboxes are specifically designed for low-speed applications, and the choice should align with the specific speed requirements of your system.

Q: What is the maximum reduction ratio of a gearbox?

A: The maximum reduction ratio of a gearbox depends on its design and configuration. Gearboxes can achieve various reduction ratios, and it’s important to choose 1 that meets the torque and speed requirements of your application. Consult the gearbox specifications or contact the manufacturer for detailed information on available reduction ratios.

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Application:Motor, Electric Cars, Machinery, Agricultural Machinery, Gearbox
Hardness:Hardened Tooth Surface
Installation:Vertical Type
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planetary gearbox

Role of Planetary Gearboxes in Powertrain Systems of Electric and Hybrid Vehicles

Planetary gearboxes play a critical role in the powertrain systems of both electric and hybrid vehicles, contributing to their efficiency and performance:

Electric Motor Integration: In electric vehicles (EVs) and hybrid vehicles, planetary gearboxes are commonly used to connect the electric motor to the drivetrain. They enable torque and speed transformation, ensuring the motor’s output is suitable for the vehicle’s desired speed range and load conditions.

Torque Splitting in Hybrids: Hybrid vehicles often have both an internal combustion engine (ICE) and an electric motor. Planetary gearboxes enable torque splitting between the two power sources, optimizing their combined performance for various driving scenarios, such as electric-only mode, hybrid mode, and regenerative braking.

Regenerative Braking: Planetary gearboxes facilitate regenerative braking in electric and hybrid vehicles. They enable the electric motor to function as a generator, converting kinetic energy into electrical energy during deceleration. This energy can then be stored in the vehicle’s battery for later use.

Compact Design: Planetary gearboxes offer a compact design with a high power density, making them suitable for the limited space available in electric and hybrid vehicles. This compactness allows manufacturers to maximize interior space and accommodate battery packs, drivetrain components, and other systems.

Efficient Power Distribution: The unique arrangement of planetary gears allows for efficient power distribution and torque management. This is particularly important in electric and hybrid powertrains, where optimal power allocation between different components contributes to overall efficiency.

CVT Functionality: Some hybrid vehicles incorporate Continuously Variable Transmission (CVT) functionality using planetary gearsets. This enables seamless and efficient transitions between various gear ratios, improving the driving experience and enhancing fuel efficiency.

Performance Modes: Planetary gearboxes facilitate the implementation of different performance modes in electric and hybrid vehicles. These modes, such as “Sport” or “Eco,” adjust the power distribution and gear ratios to optimize performance or energy efficiency based on the driver’s preferences.

Reduction Gear for Electric Motors: Electric motors often operate at high speeds and require reduction gearing to match the vehicle’s requirements. Planetary gearboxes provide the necessary gear reduction while maintaining efficiency and torque output.

Efficient Torque Transfer: Planetary gearboxes ensure efficient transfer of torque from the power source to the wheels, resulting in smooth acceleration and responsive performance in electric and hybrid vehicles.

Integration with Energy Storage: Planetary gearboxes contribute to the integration of energy storage systems, such as lithium-ion batteries, by efficiently connecting the power source to the drivetrain while managing power delivery and regeneration.

In summary, planetary gearboxes are integral components of the powertrain systems in electric and hybrid vehicles. They enable efficient power distribution, torque transformation, regenerative braking, and various driving modes, contributing to the overall performance, efficiency, and sustainability of these vehicles.

planetary gearbox

Signs of Wear or Damage in Planetary Gearboxes and Recommended Service

Planetary gearboxes, like any mechanical component, can exhibit signs of wear or damage over time. Recognizing these signs is crucial for timely maintenance to prevent further issues. Here are some common signs of wear or damage in planetary gearboxes:

1. Unusual Noise: Excessive noise, grinding, or whining sounds during operation can indicate worn or misaligned gear teeth. Unusual noise is often a clear indicator that something is wrong within the gearbox.

2. Increased Vibration: Excessive vibration or shaking during operation can result from misalignment, damaged bearings, or worn gears. Vibration can lead to further damage if not addressed promptly.

3. Gear Tooth Wear: Inspect gear teeth for signs of wear, pitting, or chipping. These issues can result from improper lubrication, overload, or other operational factors. Damaged gear teeth can affect the gearbox’s efficiency and performance.

4. Oil Leakage: Leakage of gearbox oil or lubricant can indicate a faulty seal or gasket. Oil leakage not only leads to reduced lubrication but can also cause environmental contamination and further damage to the gearbox components.

5. Temperature Increase: A significant rise in operating temperature can suggest increased friction due to wear or inadequate lubrication. Monitoring temperature changes can help identify potential issues early.

6. Reduced Efficiency: If you notice a decrease in performance, such as decreased torque output or inconsistent speed, it could indicate internal damage to the gearbox components.

7. Abnormal Gear Ratios: If the output speed or torque does not match the expected gear ratio, it could be due to gear wear, misalignment, or other issues affecting the gear engagement.

8. Frequent Maintenance Intervals: If you find that you need to service the gearbox more frequently than usual, it could be a sign that the gearbox is experiencing excessive wear or damage.

When to Service: If any of the above signs are observed, it’s important to address them promptly. Regular maintenance checks are also recommended to detect potential issues early and prevent more significant problems. Scheduled maintenance should include inspections, lubrication checks, and replacement of worn or damaged components.

It’s advisable to consult the gearbox manufacturer’s guidelines for recommended service intervals and practices. Regular maintenance can extend the lifespan of the planetary gearbox and ensure it continues to operate efficiently and reliably.

planetary gearbox

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.

China supplier Custom High Torque Planetary Gearbox for Precision Robotics   gearbox drive shaft	China supplier Custom High Torque Planetary Gearbox for Precision Robotics   gearbox drive shaft
editor by CX 2024-05-14