Product Description

Ratio 25:1 High Rigidity Servo Motor Helical Planetary Reducer Gearbox

The high-precision planetary gearbox adopts helical gear design, and is used in various control transmission fields with servo motors, such as precision machine tools, laser cutting equipment, battery processing equipment, etc. It has the advantages of large torsional rigidity and large output torque.

Product Description

Description:
(1).The output shaft is made of large size,large span double bearing design,output shaft and planetary arm bracket as a whole.The input shaft is placed directly on the planet arm bracket to ensure that the reducer has high operating accuracy and maximum torsional rigidity.
(2).Shell and the inner ring gear used integrated design,quenching and tempering after the processing of the teeth so that it can achieve high torque,high precision,high wear resistance.Moreover surface nickel-plated anti-rust treatment,so that its corrosion resistance greatly enhanced.(3).The planetary gear transmission employs full needle roller without retainer to increase the contact surface,which greatly upgrades structural rigidity and service life.
(4).The gear is made of Japanese imported material.After the metal cutting process,the vacuum carburizing heat treatment to 58-62HRC. And then by the hobbing,Get the best tooth shape,tooth direction,to ensure that the gear of high precision and good impact toughness.
(5).Input shaft and sun gear integrated structure,in order to improve the operation accuracy of the reducer.

Product Parameters

1.One-piece construction,High Precision and large output torque.
2.Double bracing cage planetary shelf structure.high reliable. Can suit reversible rotation frequently
3.Helical gear transmission, more reliable. Higher torque.
4.Low return backlash, high precision.
5.Special Rotation frame structure.can carry bigger Radial&Axial load

Specifications PX42 PX60 PX90 PX120 PX140 PX180
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 780 1530 3250 6700 9400 14500
Max. Axial Load N 390 630 1300 3000 4700 7250
Torsional Rigidity Nm/arcmin 2.5 6 12 23 47 130
Max.Input Speed rpm 8000 8000 8000 8000 6000 6000
Rated Input Speed rpm 4000 4000 3000 3000 3000 3000
Noise dB ≤56 ≤58 ≤60 ≤65 ≤68 ≤68
Average Life Time h 20000
Efficiency Of Full Load % L1≥95%       L2≥90%
Return Backlash P1 L1 arcmin / ≤3 ≤3 ≤3 ≤3 ≤3
L2 arcmin / ≤5 ≤5 ≤5 ≤5 ≤5
P2 L1 arcmin ≤5 ≤5 ≤5 ≤5 ≤5 ≤5
L2 arcmin ≤7 ≤7 ≤7 ≤7 ≤7 ≤7
Moment Of Inertia Table L1 3 Kg*cm2 / 0.16 0.61 3.25 9.21 28.98
4 Kg*cm2 0.03 0.14 0.48 2.74 7.54 23.67
5 Kg*cm2 0.03 0.13 0.47 2.71 7.42 23.29
7 Kg*cm2 0.03 0.13 0.45 2.62 7.14 22.48
8 Kg*cm2 0.03 0.13 0.45 2.6 / /
10 Kg*cm2 0.03 0.13 0.4 2.57 7.03 22.51
L2 12 Kg*cm2 / 0.13 0.45 0.45 2.63 7.3
15 Kg*cm2 / 0.13 0.45 0.45 2.63 7.3
20 Kg*cm2 0.03 0.13 0.45 0.45 2.63 7.3
25 Kg*cm2 0.03 0.13 0.45 0.4 2.63 7.3
28 Kg*cm2 0.03 0.13 0.45 0.45 2.43 7.1
30 Kg*cm2 / 0.13 0.45 0.45 2.43 6.92
35 Kg*cm2 0.03 0.13 0.4 0.4 2.43 7.1
40 Kg*cm2 0.03 0.13 0.45 0.45 2.43 6.92
50 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.92
70 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.72
100 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.72
Technical Parameter Level Ratio   PX42 PX60 PX90 PX120 PX140 PX180
Rated Torque L1 3 Nm / 40 105 165 360 880
4 Nm 17 45 130 230 480 880
5 Nm 15 45 130 230 480 1100
7 Nm 12 45 100 220 480 1100
8 Nm / 40 90 200 / /
10 Nm 10 30 75 175 360 770
L2 12 Nm / 40 105 165 440 880
15 Nm / 40 105 165 360 880
20 Nm 17 45 130 230 480 880
25 Nm 15 45 130 230 480 880
28 Nm 17 45 130 230 480 1100
30 Nm / 40 105 165 480 1100
35 Nm 10 30 130 230 480 1100
40 Nm 17 45 130 230 480 1100
50 Nm 15 45 130 230 480 1100
70 Nm 12 45 100 220 480 1100
100 Nm 10 30 75 175 360 770
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 0.5 1.25 3.75 8.5 16 28.5
L2 kg 0.8 1.75 5.1 12 21.5 40

Company Profile

Packaging & Shipping

1. Lead time: 10-15 days as usual, 30 days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT

 

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Application: Universal, Industrial, Household Appliances, Automation Equipment
Operating Speed: Low Speed
Excitation Mode: Excited
Function: Driving
Casing Protection: Closed Type
Type: Planetary Gear Reducer
Samples:
US$ 181/Piece
1 Piece(Min.Order)

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Request Sample

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

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

Common Applications and Industries of Planetary Gearboxes

Planetary gearboxes are widely utilized across various industries and applications due to their unique design and performance characteristics. Some common applications and industries where planetary gearboxes are commonly used include:

  • Automotive Industry: Planetary gearboxes are found in automatic transmissions, hybrid vehicle systems, and powertrains. They provide efficient torque conversion and variable gear ratios.
  • Robotics: Planetary gearboxes are used in robotic joints and manipulators, providing compact and high-torque solutions for precise movement.
  • Industrial Machinery: They are employed in conveyors, cranes, pumps, mixers, and various heavy-duty machinery where high torque and compact design are essential.
  • Aerospace: Aerospace applications include aircraft actuation systems, landing gear mechanisms, and satellite deployment mechanisms.
  • Material Handling: Planetary gearboxes are used in equipment like forklifts and pallet jacks to provide controlled movement and high lifting capabilities.
  • Renewable Energy: Wind turbines use planetary gearboxes to convert low-speed, high-torque rotational motion of the blades into higher-speed rotational motion for power generation.
  • Medical Devices: Planetary gearboxes find applications in medical imaging equipment, prosthetics, and surgical robots for precise and controlled motion.
  • Mining and Construction: Planetary gearboxes are used in heavy equipment like excavators, loaders, and bulldozers to handle heavy loads and provide controlled movement.
  • Marine Industry: They are employed in marine propulsion systems, winches, and steering mechanisms, benefiting from their compact design and high torque capabilities.

The versatility of planetary gearboxes makes them suitable for applications that require compact size, high torque density, and efficient power transmission. Their ability to handle varying torque loads, offer high gear ratios, and maintain consistent performance has led to their widespread adoption across numerous industries.

China OEM Ratio 25: 1 High Rigidity Servo Motor Helical Planetary Reducer Gearbox   gearbox definition		China OEM Ratio 25: 1 High Rigidity Servo Motor Helical Planetary Reducer Gearbox   gearbox definition
editor by CX 2024-05-14