China supplier High Reliability Gearbox for 8 * 8 Wheeled Armored Vehicle (MA5710T) cvt gearbox

Product Description

Product Description

MA5710T is specially designed for 8 * 8 wheeled armored vehicle. It adopts the centripetal integrated hydraulic torque converter cast by aluminum alloy, the most mature planetary gear transmission , and is equipped with perfect hydraulic control system. It is highly reliable.

Product Parameters

Series Type
 
Max input torque 
N•m
Max input power KW Max turbine torque
 N•m
Dry weight kg Hydraulic retarder Maximum torque ratio of torque converter Speed ratio of helical gear planetary transmission Main application
T series
(The widest speed ratio)
MA5710T 2576 485 3795 521 NO 1.90 Reverse gear: -4.80, neutral gear: 0, first gear:7.63,second gear: 3.51, third gear: 1.91, fourth gear: 1.43, 5 gear: 1.00, 6 gear:0.74, 7 gear: 0.64 General construction vehicles, off-road vehicles, mining vehicles, special vehicles, construction machinery, heavy trucks, oil field series,tactical vehicles, combat vehicles, etc.

Our Advantages

High power hydraulic transmission is widely used in oil and gas field production equipment, special vehicles, special engineering machinery and other fields. It has the advantages of simple operation, high reliability, long service life, automatic stepless speed regulation, power shift, vibration isolation and shock absorption, overload protection and strong adaptive ability. It can effectively prolong the service life of engine and working machine, improve comfort and safety, and reduce the labor intensity of operators.
 

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Application: Motor, Machinery
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Multistep
Type: Planetary Gear Box
Customization:
Available

|

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

Role of Sun, Planet, and Ring Gears in Planetary Gearboxes

The arrangement of sun, planet, and ring gears is a fundamental aspect of planetary gearboxes and significantly contributes to their performance. Each gear type plays a specific role in the gearbox's operation:

  • Sun Gear: The sun gear is located at the center and is driven by the input power source. It transmits torque to the planet gears, causing them to orbit around it. The sun gear's size and rotation speed affect the overall gear ratio of the system.
  • Planet Gears: Planet gears are smaller gears that surround the sun gear. They are held in place by the planet carrier and mesh with both the sun gear and the internal teeth of the ring gear. As the sun gear rotates, the planet gears revolve around it, engaging with both the sun and ring gears simultaneously. This arrangement multiplies torque and changes the direction of rotation.
  • Ring Gear (Annulus Gear): The ring gear is the outermost gear with internal teeth that mesh with the planet gears' external teeth. It remains stationary or acts as the output shaft. The interaction between the planet gears and the ring gear causes the planet gears to rotate on their own axes as they orbit the sun gear.

The arrangement of these gears allows for various gear reduction ratios and torque multiplication effects, making planetary gearboxes versatile and efficient for a wide range of applications. The combination of multiple gear engagements and interactions distributes the load across multiple gear teeth, resulting in higher torque capacity, smoother operation, and lower stress on individual gear teeth.

Planetary gearboxes offer advantages such as compact size, high torque density, and the ability to achieve multiple gear reduction stages within a single unit. The arrangement of the sun, planet, and ring gears is essential for achieving these benefits while maintaining efficiency and reliability in various mechanical systems.

China supplier High Reliability Gearbox for 8 * 8 Wheeled Armored Vehicle (MA5710T)   cvt gearbox	China supplier High Reliability Gearbox for 8 * 8 Wheeled Armored Vehicle (MA5710T)   cvt gearbox
editor by CX 2024-03-27

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