China best Planetary Gear 154-15-32470 for Komat Su D85A-18 Bulldozer supplier

Product Description

Product Description

We(HangZhou BST) export construction machinery parts, specializes in the manufacturing and supplying of Shantui, Cat and komat su parts for over 15 years.  Our company has a complete range such as  engine parts ,transmission parts,hydraulic parts,  electrical parts,drive parts,undercarriage parts, filter. Models such as komats D60/80/155,PC2-6420    Plunger 
Spare Parts For PC 2-3920    Plunger
Spare Parts For CD611A Grader        
6137-22-2210    Liner Cyl:
6137-32-2130    Piston
DK131151-5820    Plunger 
6137-12-3220    Nozzle
23B-40-11100    Steering Valve
 

Planetary Gear 154-15-32470 for komat su D85A-18 

Planetary Gear 154-15-32470 for komat su D85A-18 
warranty:6 months

 

FAQ

Q1:You are a trader or manufacturer . 
      We are a trader .

Q2: How about the payment terms ?
       
We usually accept T/T . Other terms also could be negotiated .

Q3: Warranty 
      3-6 months warranty.  If any parts break during the warranty, Just offer us the proof . We’ll send you a new 1 !

Q5:If parts be lost during delivery , how solve ? 
      We’ll resend the parts free of charge . 

Contact person: Monica 
 
 
 
 
 
 

After-sales Service: 1 Year
Warranty: 1 Year
Type: Crawler
Application: Bulldozer & Excavator
Certification: CE, ISO9001: 2000
Condition: New
Samples:
US$ 70000/Piece
1 Piece(Min.Order)

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epicylic gear

How do you calculate the gear ratio involving sun, planet, and ring gears?

The gear ratio in a planetary gear system can be calculated by considering the number of teeth on the sun gear, planet gears, and ring gear. The gear ratio determines the relationship between the input speed and the output speed of the system. Here’s how you can calculate the gear ratio:

  • Step 1: Count the Teeth:

Count the number of teeth on the sun gear (S), the planet gears (P), and the ring gear (R). These numbers represent the respective gear’s tooth count.

  • Step 2: Determine the Gear Arrangement:

Identify the gear arrangement. In a simple planetary gear system, the sun gear is at the center, surrounded by planet gears, and enclosed by the ring gear.

  • Step 3: Calculate the Gear Ratio:

The gear ratio (GR) can be determined using the formula:

GR = (R + P) / S

Where:

  • R represents the number of teeth on the ring gear
  • P represents the number of teeth on the planet gears (assuming they have the same number of teeth)
  • S represents the number of teeth on the sun gear

The resulting gear ratio represents the speed relationship between the input and output of the planetary gear system. A gear ratio greater than 1 indicates a speed reduction, while a gear ratio less than 1 indicates a speed increase.

It’s important to note that in more complex planetary gear systems, where there are multiple sets of planet gears or additional gears, the calculation of the gear ratio may involve considering multiple gear stages and their respective tooth counts.

In summary, to calculate the gear ratio involving sun, planet, and ring gears, you need to count the teeth on each gear and use the formula (R + P) / S, where R is the number of teeth on the ring gear, P is the number of teeth on the planet gears, and S is the number of teeth on the sun gear. This calculation provides the gear ratio that defines the speed relationship between the input and output of the planetary gear system.

epicylic gear

How do planetary gears handle variations in direction and torque transmission?

Planetary gears are versatile mechanisms that can effectively handle variations in direction and torque transmission. Let’s explore how they achieve this:

  • Direction Reversal:

Planetary gears are capable of transmitting torque in both forward and reverse directions. By changing the input and output connections, the direction of rotation can be reversed without the need for additional components or complex mechanisms. This makes planetary gears well-suited for applications where frequent changes in direction are required, such as automotive transmissions.

  • Torque Amplification and Reduction:

One of the notable characteristics of planetary gears is their ability to amplify or reduce torque depending on the arrangement of gear components. Let’s consider a basic arrangement with a sun gear, planet gears, and a ring gear:

  • Torque Amplification:

When the sun gear is the input and the ring gear is the output, the planet gears rotate on their own axes while also revolving around the sun gear. This arrangement allows for torque amplification, meaning the output torque can be higher than the input torque. This is particularly useful in applications where higher torque is required, such as heavy machinery or power transmission systems.

  • Torque Reduction:

Conversely, by fixing the ring gear and using the sun gear as the output, the planet gears rotate on their own axes while also revolving around the fixed ring gear. In this configuration, the output torque is lower than the input torque, enabling torque reduction. This can be advantageous in applications where torque needs to be reduced, such as speed reduction systems or precision machinery.

  • Combination of Gear Stages:

Planetary gears can be combined into multiple stages, with each stage having its own set of sun gears, planet gears, and ring gears. This arrangement allows for further variations in torque transmission. By connecting the output of one stage to the input of another, the torque can be further amplified or reduced, providing flexibility in power transmission systems.

  • Custom Gear Ratios:

By selecting the appropriate sizes and numbers of teeth for the sun gears, planet gears, and ring gears, custom gear ratios can be achieved in planetary gear systems. This allows for precise control over torque transmission and enables the adaptation of the gear arrangement to specific application requirements.

In summary, planetary gears handle variations in direction and torque transmission through their ability to reverse direction without additional components, torque amplification or reduction based on gear arrangement, combination of multiple gear stages, and the ability to achieve custom gear ratios. These features make planetary gears a versatile choice for a wide range of applications requiring efficient and flexible power transmission.

epicylic gear

What is the purpose of using planetary gears in machinery?

Planetary gears serve several important purposes in machinery and mechanical systems. Let’s delve into the key purposes and benefits of using planetary gears:

  • Gear Ratio Variation:

One of the primary purposes of planetary gears is to achieve different gear ratios. By varying the number of teeth on the sun gear, planet gears, and ring gear, a wide range of gear ratios can be obtained. This flexibility enables machinery to adapt to varying speed and torque requirements, allowing for precise control and efficient power transmission.

  • Torque Amplification:

Planetary gears are known for their ability to amplify torque. The arrangement of multiple gear sets in a compact design allows for torque multiplication. This can be particularly beneficial in applications where high torque is required while maintaining a smaller form factor. Planetary gears can efficiently transmit torque and handle heavy loads.

  • Compact Size:

Another advantage of planetary gears is their compact size. The internal gear meshing and the integration of multiple gear sets within a single gear system contribute to their space-saving design. This compactness is valuable in machinery where space constraints are a consideration, enabling the design of more compact and lightweight systems.

  • High Efficiency:

Planetary gears are known for their high efficiency in power transmission. The internal gear meshing and the distribution of load across multiple gear teeth result in efficient torque transfer with minimal power loss. This efficiency is crucial in machinery where energy conservation and optimization are important factors.

  • Directional Control:

Planetary gears allow for bidirectional power transmission. By controlling the direction of rotation of the input and output elements, the direction of rotation in the machinery can be easily changed. This feature is useful in applications that require reversing the direction of rotation or changing the rotational direction without the need for additional mechanisms.

  • Shock Absorption:

The arrangement of multiple gears in a planetary gear system provides inherent shock-absorbing capabilities. The distributed load between the gear teeth helps to dampen vibrations and absorb shocks, contributing to smoother operation and reduced wear on the system components.

  • Application Versatility:

Planetary gears find applications in a wide range of machinery and mechanical systems. They are commonly used in automotive transmissions, industrial machinery, robotics, aerospace systems, power generation equipment, and more. The versatility of planetary gears stems from their ability to provide precise control, compactness, high torque transmission, and efficient power transmission.

In summary, the purpose of using planetary gears in machinery is to achieve variable gear ratios, amplify torque, maintain compact size, ensure high efficiency in power transmission, enable bidirectional control, absorb shocks, and provide versatility for various applications. The unique characteristics of planetary gears make them valuable components in diverse machinery and mechanical systems.

China best Planetary Gear 154-15-32470 for Komat Su D85A-18 Bulldozer supplier China best Planetary Gear 154-15-32470 for Komat Su D85A-18 Bulldozer supplier
editor by CX 2023-11-01