China factory Innovative Planetary Gearbox Technology for Electric Motor Drives with Great quality

Product Description

 
 

Product Description

Product Parameters

Parameters Unit Level Reduction Ratio Flange Size Specification
070 090 115 155 205 235
Rated output torque T2n N.m 1 3 55 130 208 342 588 1140
4 50 140 290 542 1050 1700
5 60 160 330 650 1200 2000
7 35 140 300 550 1100 1800
8 35 120 260 500 1000 1600
10 23 48 140 370 520 1220
2 12 55 130 208 342 588 1140
15 55 130 208 342 588 1140
20 50 140 290 542 1050 1700
25 60 160 330 650 1200 2000
28 60 160 330 650 1200 2000
30 60 160 330 650 1200 2000
35 60 160 330 650 1200 2000
40 60 160 330 650 1200 2000
50 60 160 330 650 1200 2000
70 35 140 310 550 1100 1800
100 23 48 140 370 520 1220
3 120 60 160 330 650 1200 2000
150 60 160 330 650 1200 2000
200 60 160 330 650 1200 2000
250 60 160 330 650 1200 2000
280 60 160 330 650 1200 2000
350 60 160 330 650 1200 2000
400 60 160 330 650 1200 2000
500 60 160 330 650 1200 2000
700 35 140 310 550 1100 1800
1000 23 48 140 370 520 1220
Maximum output torque T2b N.m 1,2,3 3~1000 3Times of Rated Output Torque
Rated input speed N1n rpm 1,2,3 3~1000 5000 3000 3000 3000 3000 2000
Maximum input speed N1b rpm 1,2,3 3~1000 10000 6000 6000 6000 6000 4000
Ultra Precision Backlash PS arcmin 1 3~10 ≤1 ≤1 ≤1 ≤1 ≤1 ≤1
arcmin 2 12~100 ≤2 ≤2 ≤2 ≤2 ≤2 ≤2
arcmin 3 120~1000 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5
High Precision Backlash P0 arcmin 1 3~10 ≤2 ≤2 ≤2 ≤2 ≤2 ≤2
arcmin 2 12~100 ≤3 ≤3 ≤3 ≤3 ≤3 ≤3
arcmin 3 120~1000 ≤7 ≤7 ≤7 ≤7 ≤7 ≤7
Precision Backlash P1 arcmin 1 3~10 ≤3 ≤3 ≤3 ≤3 ≤3 ≤3
arcmin 2 12~100 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5
arcmin 3 12~1000 ≤9 ≤9 ≤9 ≤9 ≤9 ≤9
Standard Backlash P2 arcmin 1 3~10 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5
arcmin 2 12~100 ≤7 ≤7 ≤7 ≤7 ≤7 ≤7
arcmin 3 120~1000 ≤11 ≤11 ≤11 ≤11 ≤11 ≤11
Torsional Rigidity Nm/arcmin 1,2,3 3~1000 3.5 10.5 20 39 115 180
Allowable radial force F2rb2 N 1,2,3 3~1000 1100 2200 5571 7610 10900 24000
Allowable axial force F2ab2 N 1,2,3 3~1000 630 1230 2550 3780 5875 11200
Moment of Inertia J1 kg.cm2 1 3~10 0.2 1.2 2 7.2 25 65
  2 12~100 0.08 0.18 0.7 1.7 7.9 14
  3 120~1000 0.03 0.01 0.04 0.09 0.21 0.82
Service Life hr 1,2,3 3~1000 20000
Efficiency η % 1 3~10 97%
2 12~100 94%
3 120~1000 91%
Noise Level dB 1,2,3 3~1000 ≤58 ≤60 ≤63 ≤65 ≤67 ≤70
Operating Temperature ºC 1,2,3 3~1000 -10~+90
Protection Class IP 1,2,3 3~1000 IP65
Weights kg 1 3~10 1.3 3.7 7.8 14.5 29 48
2 12~100 1.9 4.1 9 17.5 33 60
3 120~1000 2.3 4.8 12 22 37 72

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
Layout: Coaxial
Gear Shape: Bevel Gear
Step: Three-Step
Customization:
Available

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Customized Request

planetary gearbox

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.

planetary gearbox

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.

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.

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 factory Innovative Planetary Gearbox Technology for Electric Motor Drives   with Great quality China factory Innovative Planetary Gearbox Technology for Electric Motor Drives   with Great quality
editor by CX 2024-02-12