China Professional 79001524 / Zl50.2A. 1A. 1-6 Sun Gear for Wheel Loader Spare Parts Zl50gn worm gear motor

Product Description

79001524 / ZL50.2A.1A.1-6 Sun gear for Wheel Loader Spare Parts ZL50GN

 

 

 Sr.

 Part No.

 

Part Description Q’ty
1 HG4-692-67 PD150×180×16        0il Seal 2
2 7700O493 Spacer 1
3 GB297-84 20 0571 2              Bearing 1
4 ZL40.2-9 Wheel Pin Assy 20
5 7957102B Wheel Hub 1
6 GB297-84 20 0571 6               Bearing 1
7 7750571 Internal Gear Assy 1
8 76157141 Taper 1
9 75501648 Lock Nut 2
10 75501957 φ337×343          0il SealRing 1
11 ZL40.2-10 Wheel Nut 20
12 GB982-76 Ml0×l.5×30         Bolt 3
13 GB982-77 12               Washer 1
14 75500195 Plug 1
15 77001142 Ploetary Pinion Carrier 1
16 GB93-87 10                   Washer 1
17 GB30-76 MlO×l.25×23         Bolt 1
18 JB982-77 Washer 1
19 75500842 Plug 1
20 GB30-76 Ml2×1.25×23        Bolt 7
21 GB93-87 12                   Washer 7
22 79001544 Cover 1
23 73520042 Bushing 1
24 GB894-76 50                 Snap Ring 1
25 79001524 Sun Gear 1
26 GB858-76 85                 Washer 1
27 79000131B Axle Shalf 1
28 77000044 Adjusting pin 1

Company
 

ZheJiang CHINAMFG International Trade Co., Ltd. was founded in 2001,We are engaged in chinese brand wheel loader spare parts wholesale and export business,We have own brand spare parts ,2,000 square CHINAMFG of warehouse can ensure enough inventory,Products are exported to Europe, the Middle East, Central Asia, South Asia and other countries.
Spare parts of each system including:Power system,Torque Converter and Transmission system,Power train, Hydraulic system,Brake system,Sheet metal system,Cab and accessorie,Conditioner system,Electrical system,Oil product, etc.
Wheel Loader Multi-function Auxiliaries : Wood grabber, pipe grabber, cotton grabber, grass grabber, sweeper, marble fork, snow shovel, snow thrower, ditch opener, etc.
In addition, we are also engaged in part of excavator accessories and engine parts.
High quality products,enough stock,19 years export experience,we can offer professional service and competitive prices for you .
ZheJiang CHINAMFG looking CHINAMFG to cooperation with you !

Contact

 

Type: Sun Gear
Application: Loader Parts
Certification: ISO9001: 2000
Condition: New
Transport Package: Wooden Box
Specification: 20kg
Customization:
Available

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Customized Request

sun gear

Can you describe the interaction between sun gears and planet gears?

The interaction between sun gears and planet gears is a fundamental aspect of gear systems. Let’s delve into the details of this interaction:

  • Planetary Gear Systems:

The interaction between sun gears and planet gears primarily occurs in planetary gear systems. These systems consist of multiple planet gears that rotate around a central sun gear while meshing with an outer ring gear. This arrangement allows for various mechanical advantages and functionalities.

  • Power Transmission:

The sun gear serves as the primary driver in a planetary gear system. When power is applied to the sun gear, it transmits rotational force to the planet gears. The planet gears, due to their meshing with both the sun gear and the ring gear, distribute the transmitted power evenly across all the gears.

As the sun gear rotates, the planet gears rotate in the opposite direction around the sun gear while also rotating around their own axes. This rotational movement of the planet gears, driven by the sun gear, plays a crucial role in power transmission within the gear system.

  • Speed and Torque Ratios:

The interaction between the sun gear and planet gears affects the speed and torque ratios in a gear system. By choosing different sizes for the sun gear and planet gears, engineers can manipulate the gear ratios to achieve specific outcomes.

When the sun gear is larger than the planet gears, it results in a higher speed ratio. In this case, the sun gear rotates faster than the planet gears, leading to an output shaft or ring gear with increased rotational speed relative to the input shaft or sun gear.

Conversely, when the sun gear is smaller than the planet gears, it leads to a lower speed ratio. In this scenario, the sun gear rotates slower than the planet gears, resulting in an output shaft or ring gear with reduced rotational speed compared to the input shaft or sun gear.

Similarly, the interaction between the sun gear and planet gears affects the torque ratio. When the sun gear is larger than the planet gears, it amplifies the torque, resulting in higher output torque relative to the input torque. Conversely, when the sun gear is smaller, it reduces the torque, resulting in lower output torque compared to the input torque.

  • Direction Reversal:

The interaction between the sun gear and planet gears also enables torque direction reversal in planetary gear systems. When the sun gear rotates in a specific direction, it imparts torque to the planet gears, causing them to rotate in the opposite direction around the sun gear.

This counterclockwise rotation of the planet gears, as driven by the sun gear, leads to the ring gear rotating in the opposite direction. By reversing the direction of the sun gear’s rotation, the torque direction can be reversed once again. This ability to change torque direction makes planetary gear systems versatile and applicable in various mechanical and automotive applications.

  • Mechanical Advantages:

The interaction between sun gears and planet gears offers several mechanical advantages. The distribution of torque across multiple planet gears allows for increased load-bearing capacity and improved system reliability. As each planet gear shares the load, the overall stress on individual gears is reduced, enhancing the system’s durability.

Moreover, the arrangement of sun gears and planet gears in a planetary gear system results in compact designs and high power density. The distributed power transmission and torque-sharing characteristics enable the system to handle higher loads while occupying minimal space.

In summary, the interaction between sun gears and planet gears in planetary gear systems is crucial for power transmission, achieving speed and torque ratios, enabling torque direction reversal, and providing mechanical advantages such as load distribution and compact designs. Understanding this interaction is essential for designing and optimizing gear systems in various applications.

sun gear

Can you explain the function of a sun gear in automatic transmissions?

The sun gear plays a crucial role in the operation of automatic transmissions. It is an essential component within the planetary gear set, which is responsible for transmitting power and controlling gear ratios in automatic transmissions. Here’s an explanation of the function of a sun gear in automatic transmissions:

  • Power Input:

The sun gear serves as one of the primary power input sources in an automatic transmission. It connects to the torque converter, which is a fluid coupling that transfers engine power to the transmission. The rotation of the sun gear receives torque from the engine and acts as the initial input for the gear set.

  • Gear Ratio Control:

The sun gear, along with other gears in the planetary gear set, allows for the control of gear ratios in an automatic transmission. By varying the engagement and rotation of the sun gear, different gear ratios can be achieved, providing the desired combination of torque multiplication and speed reduction or increase.

The gear ratio control is achieved through the interaction between the sun gear, planet gears, and ring gear. The sun gear is connected to the planet gears, which in turn mesh with the ring gear. The arrangement and rotation of these gears determine the gear ratio and, consequently, the output speed and torque of the transmission.

  • Forward and Reverse Operation:

The sun gear’s function also extends to enabling both forward and reverse operation in automatic transmissions. By controlling the engagement of the sun gear with other gears in the planetary set, the transmission can switch between forward and reverse directions.

In the forward operation, the sun gear engages with the planet gears and the ring gear, transmitting power from the input shaft to the output shaft with a specific gear ratio. In the reverse operation, the sun gear engages with a different set of gears, causing the rotation of the output shaft to reverse its direction.

  • Torque Multiplication:

Another important function of the sun gear is torque multiplication. By utilizing the planetary gear set arrangement, the sun gear can multiply or reduce torque depending on the gear ratio configuration. This torque multiplication capability allows the transmission to provide higher torque output when needed, such as during acceleration or climbing steep gradients.

  • Gear Shifts:

The sun gear’s function also contributes to smooth and efficient gear shifts in automatic transmissions. As gear shifts occur, the transmission control unit adjusts the engagement of the sun gear, planet gears, and ring gear to achieve the desired gear ratio for the target speed and load conditions.

During gear shifts, the engagement of clutches or bands controlled by the transmission control unit ensures that the sun gear rotates with the desired set of gears, allowing for seamless transitions between different gear ratios. This coordinated operation of the sun gear and other gears facilitates smooth acceleration and deceleration without excessively straining the transmission components.

In summary, the sun gear in automatic transmissions serves multiple functions, including power input from the torque converter, gear ratio control through its engagement with other gears, enabling forward and reverse operation, torque multiplication for increased output, and contributing to smooth gear shifts. These functions collectively allow automatic transmissions to provide efficient power transfer, dynamic gear ratios, and smooth operation in various driving conditions.

sun gear

How does a sun gear affect the overall gear ratio in a system?

The presence and characteristics of a sun gear play a significant role in determining the overall gear ratio in a system. Understanding how the sun gear affects the gear ratio helps in analyzing and designing gear systems with the desired performance. Here’s an explanation of how a sun gear affects the overall gear ratio in a system:

  • Number of Teeth: The number of teeth on the sun gear influences the gear ratio. In a simple gear system, where the sun gear engages with a single gear, the gear ratio is determined by the ratio of the number of teeth on the two gears. For example, if the sun gear has 10 teeth and the other gear has 30 teeth, the gear ratio would be 1:3, meaning the output gear rotates three times slower than the sun gear.
  • Arrangement with Other Gears: In more complex gear systems, such as planetary gear configurations, the arrangement of the sun gear with other gears further influences the gear ratio. In a planetary gear set, the sun gear engages with multiple planet gears and an outer ring gear. By manipulating the sizes and arrangements of these gears, a wide range of gear ratios can be achieved. For instance, if the sun gear is fixed, the ring gear becomes the output and the gear ratio is determined by the relative sizes of the sun gear, planet gears, and ring gear.
  • Planet Gears: The number of planet gears in a planetary gear system also affects the gear ratio. Increasing or decreasing the number of planet gears alters the gear ratio by changing the load distribution and the interaction between the sun gear and the ring gear. More planet gears generally result in a higher gear ratio, while fewer planet gears tend to reduce the gear ratio.
  • Epicyclic Gear Trains: The arrangement of gears in an epicyclic gear train, which includes the sun gear, planet gears, and ring gear, allows for even more complex gear ratios. By fixing or holding certain gears while others are driven, various gear ratios can be achieved. For example, fixing the ring gear and driving the sun gear produces a different gear ratio compared to fixing the sun gear and driving the ring gear.
  • Variable Gear Ratio: In some systems, the gear ratio can be varied by changing the position or speed of the sun gear. This can be achieved using mechanisms such as adjustable clutches or continuously variable transmissions (CVTs). By modifying the engagement between the sun gear and other gears, the gear ratio can be adjusted to optimize performance for different operating conditions.

In summary, the presence and characteristics of a sun gear, including the number of teeth, its arrangement with other gears, the presence of planet gears, and the overall gear system configuration, all contribute to the determination of the gear ratio. Understanding these factors allows for the design and control of gear systems with specific gear ratios to meet the requirements of various mechanical applications.

China Professional 79001524 / Zl50.2A. 1A. 1-6 Sun Gear for Wheel Loader Spare Parts Zl50gn worm gear motorChina Professional 79001524 / Zl50.2A. 1A. 1-6 Sun Gear for Wheel Loader Spare Parts Zl50gn worm gear motor
editor by CX 2023-11-30

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