Tag Archives: maxon planetary gearbox

China manufacturer 32mm Micro Precise Planetary Speed Reducer Planetary Gearbox High Speed Ultra Noise High Torque Precise Gear Box Maxon Replacement gearbox design

Product Description


Stage 1 Ratio: 4.4:1 5.25:1 8.3  
Max. continuous torque 2.34 N.m
Max. intermittent torque at gear output 7.29 N.m
precision options Routine Precision ≤1.5°~2 °(Default Value)
high precision ≤5arcmin (Customizable)
Stage 2 Ratio: 15:1 17:1 18:1 19:1 20:1 23:1  
Max. continuous torque 3.1 N.m
Max. intermittent torque at gear output 9.3 N.m
precision options Routine Precision ≤1.5°~2 °(Default Value)
high precision ≤10arcmin (Customizable)
Stage 3 Ratio: 65.5:1 75:1 98:1 125:1 150:1 207:1 250:1  
Max. continuous torque 3.88 N.m
Max. intermittent torque at gear output 11.64 N.m
precision options Routine Precision ≤1.5°~2 °(Default Value)
high precision ≤15arcmin (Customizable)
Stage 4 Ratio: 277:1 302:1 400:1 706:1 950:1 1500:1 1860:1 3380:1
Max. continuous torque 4.65 N.m
Max. intermittent torque at gear output 13.9 N.m
precision options Routine Precision ≤1.5°~2 °(Default Value)
high precision ≤20arcmin (Customizable)


2.Parameters of the gearbox

 Gear wheel material:  Metal     Lubricating:  grease
Noise: ≤50 db Max. Input speed (r/min): ≤30000 rpm
It can be customed whe the input sped is over 40000 rpm
Max. axial load: ≤12Kgf Max. radial load
(10mm from flange):
Radial play of shaft: ≤0.04mm (optional) Back lash for 1 stage:


Axial play of shaft: ≤0.4mm Opertating temperature range:  (-30~+100)ºC


3.Dimensions of the gearbox

  • The dimensions of the output and the input shaft can be customizable, and there will be a keyway on 4*4 in the standard output shaft


  • Gearbox Length is nonstandard at high speed
  • Stage 4  “L”=53.7
  • Stage 3  “L”=46.2
  • Stage 2  “L”=38.7
  • Stage 1  “L”=31.2

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Application: Motor, Electric Cars, Machinery, Marine, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: 1~4


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

Considerations for Selecting Size and Gear Materials in Planetary Gearboxes

Choosing the appropriate size and gear materials for a planetary gearbox is crucial for optimal performance and reliability. Here are the key considerations:

1. Load and Torque Requirements: Evaluate the anticipated load and torque that the gearbox will experience in the application. Select a gearbox size that can handle the maximum load without exceeding its capacity, ensuring reliable and durable operation.

2. Gear Ratio: Determine the required gear ratio to achieve the desired output speed and torque. Different gear ratios are achieved by varying the number of teeth on the gears. Select a gearbox with a suitable gear ratio for your application’s requirements.

3. Efficiency: Consider the efficiency of the gearbox, which is influenced by factors such as gear meshing, bearing losses, and lubrication. A higher efficiency gearbox minimizes energy losses and improves overall system performance.

4. Space Constraints: Evaluate the available space for installing the gearbox. Planetary gearboxes offer compact designs, but it’s essential to ensure that the selected size fits within the available area, especially in applications with limited space.

5. Material Selection: Choose suitable gear materials based on factors like load, speed, and operating conditions. High-quality materials, such as hardened steel or specialized alloys, enhance gear strength, durability, and resistance to wear and fatigue.

6. Lubrication: Proper lubrication is critical for reducing friction and wear in the gearbox. Consider the lubrication requirements of the selected gear materials and ensure the gearbox is designed for efficient lubricant distribution and maintenance.

7. Environmental Conditions: Assess the environmental conditions in which the gearbox will operate. Factors such as temperature, humidity, and exposure to contaminants can impact gear material performance. Choose materials that can withstand the operating environment.

8. Noise and Vibration: Gear material selection can influence noise and vibration levels. Some materials are more adept at dampening vibrations and reducing noise, which is essential for applications where quiet operation is crucial.

9. Cost: Consider the budget for the gearbox and balance the cost of materials, manufacturing, and performance requirements. While high-quality materials may increase initial costs, they can lead to longer gearbox lifespan and reduced maintenance expenses.

10. Manufacturer’s Recommendations: Consult with gearbox manufacturers or experts for guidance on selecting the appropriate size and gear materials. They can provide insights based on their experience and knowledge of various applications.

Ultimately, the proper selection of size and gear materials is vital for achieving reliable, efficient, and long-lasting performance in planetary gearboxes. Taking into account load, gear ratio, materials, lubrication, and other factors ensures the gearbox meets the specific needs of the application.

planetary gearbox

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.

China manufacturer 32mm Micro Precise Planetary Speed Reducer Planetary Gearbox High Speed Ultra Noise High Torque Precise Gear Box Maxon Replacement   gearbox design		China manufacturer 32mm Micro Precise Planetary Speed Reducer Planetary Gearbox High Speed Ultra Noise High Torque Precise Gear Box Maxon Replacement   gearbox design
editor by CX 2024-03-27