Product Description
1) According to the different strength and performance, we choose the steel with strong compression;
2) Using Germany professional software and our professional engineers to design products with more reasonable size and better performance; 3) We can customize our products according to the needs of our customers,Therefore, the optimal performance of the gear can be exerted under different working conditions;
4) Quality assurance in every step to ensure product quality is controllable.
Product Paramenters
| DRIVEN GEAR |
NUMBER OF TEETH |
17 |
|
MODULE |
10.3572 |
|
|
LENTH |
316 |
|
|
OUTER DIAMETER |
ø180 |
|
|
DIRECTION OF SPIRAL |
L |
|
|
ACCURACY OF SPLINE |
M33*1.5-6h |
|
|
NUMBER OF SPLINE |
46 |
|
DRIVEN GEAR |
NUMBER OF TEETH |
28 |
|
OUTER DIAMETER |
ø292 |
|
|
DIAMETER OF INNER HOLE |
ø190 |
|
|
ACCURACY OF SCREW |
16-M16*1.5-6H |
|
|
CENTER DISTANCE OF SCREW HOLE |
ø220 |
|
|
DIRECTION OF SPIRAL |
R |
Company Profiles
Our company,HangZhou CHINAMFG Gear co.,Ltd , specialized in Hypoid and spiral bevel gear used in Automotive industry, was foundeded in 1996, with registered capital 136,8 square meter, with building area of 72,000 square meters. More than 500 employees work in our company.
We own more than 560 high-precise machining equipments, 10 Klingelnberg Oerlikon gear production lines, 36 Gleason gear production lines, 5 forging production lines 2 german Aichilin and 5 CHINAMFG CHINAMFG advanced automatic continuous heat treatment production lines. With the introducing the advanced Oerlikon C50 and P65 measuring center, we enhence our technology level and improve our product quality a lot. We offer better quality and good after-sale service with low price, which insure the good reputation. With the concept of “for the people, by technology, creativity, for the society, transfering friendship, honest”, we are trying to provice the world-top level product.
Our aim is: CHINAMFG Gear,world class, Drive the world.
According to the different strength and performance, we choose the steel with strong compression;Using Germany professional software and our professional engineers to design products with more reasonable size and better performance;We can customize our products according to the needs of our customers,Therefore, the optimal performance of the gear can be exerted under different working conditions;Quality assurance in every step to ensure product quality is controllable.
Our company had full quality management system and had been certified by ISO9001:2000, QS-9000:1998, ISO/TS16949 , which insure the entrance of international market.
Certification & honors
Quality Management
Adopt PDCA for problem solution, to ensure a closed loop.
Packaging & Shipping
Packaging Detail:standard package(carton ,wooden pallet).
Shipping:Support Sea freight. Accept FOB,EXW,FAS,DES.
Cooperative customers
HangZhou CHINAMFG Gear Co., Ltd. adheres to the concept of “people-oriented, prosper with science and technology; create high-quality products, contribute to the society; turn friendship, and contribute sincerely”, and will strive to create world automotive axle spiral bevel gear products.
1.Do you provide samples?
Yes,we can offer free sample but not pay the cost of freight.
2.What about OEM?
Yes,we can do OEM according to your requirements.
3.How about after-sales service?
We have excellent after-sales service if you have any quanlity problem,you can contact us anytime.
4.What about package?
Stardard package or customized package as requirements.
5.How to ensure the quanlity of the products?
We can provide raw meterial report,metallographic examination and the accuracy testing etc.
6.How long is your delivery time?
Genarally it is 4-7 days.If customized it will be take 20 days according to your quantity.
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| Manufacturing Method: | Cast Gear |
| Toothed Portion Shape: | Herringbone Gear |
| Material: | Cast Steel |
| Samples: |
US$ 80/Set
1 Set(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How does a sun gear contribute to changes in torque direction in gear systems?
A sun gear plays a crucial role in gear systems when it comes to changing the direction of torque. Let’s delve into the details of how a sun gear contributes to torque direction changes in gear systems:
- Planetary Gear Systems:
In planetary gear systems, the sun gear is one of the primary components along with the planet gears and the ring gear. These systems consist of one or more planet gears that mesh with both the sun gear and the ring gear. The arrangement of these gears allows for various torque direction changes.
- Torque Transmission:
The sun gear acts as a central driver in a planetary gear system. As power is applied to the sun gear, it transmits torque to the planet gears. The planet gears, in turn, engage with the ring gear, which ultimately transfers the torque to the output shaft or the desired component.
When the sun gear rotates in a specific direction, it imparts torque to the planet gears. The planet gears, due to their meshing with the stationary ring gear, distribute the torque evenly across all the gears. This torque transmission mechanism allows for the transfer of rotational force from the input (sun gear) to the output (ring gear or output shaft) of the system.
- Direction Reversal:
The unique configuration of a planetary gear system allows for torque direction changes. By manipulating the relative sizes and arrangements of the gears, including the sun gear, it is possible to reverse the direction of the torque output.
For instance, when the sun gear serves as the input and rotates clockwise, it causes the planet gears to rotate counterclockwise. This counterclockwise rotation, in turn, causes the ring gear to rotate in the clockwise direction, resulting in a torque reversal.
Similarly, by reversing the direction of the sun gear’s rotation, the torque direction can be reversed once again. This ability to change the torque direction makes planetary gear systems versatile and applicable in various mechanical and automotive applications.
- Torque Amplification and Reduction:
Another way the sun gear contributes to torque direction changes is through torque amplification and reduction. By incorporating different gear ratios within the planetary gear system, it is possible to alter the torque output relative to the input.
A specific arrangement of gear sizes, including the sun gear, can result in torque amplification. Torque amplification occurs when the output torque is greater than the input torque. This configuration can be beneficial in applications where increased torque is required, such as in heavy machinery or vehicles.
Conversely, torque reduction can be achieved by utilizing different gear ratios. By adjusting the sizes of the gears, including the sun gear, the output torque can be lower than the input torque. Torque reduction is useful in situations where precision control or lower torque output is necessary, such as in robotics or delicate machinery.
- Overall Torque Control:
The sun gear’s contribution to torque direction changes in gear systems provides a means of overall torque control. By manipulating the rotation direction and gear ratios, the torque can be directed, amplified, or reduced according to the specific requirements of the application.
Engineers and designers can utilize the sun gear, along with other gears in the system, to achieve the desired torque direction, torque amplification or reduction, and mechanical power transmission within gear systems.
In conclusion, the sun gear is a critical component in gear systems for changing torque direction. It enables torque transmission, facilitates torque direction reversal, contributes to torque amplification or reduction, and provides overall torque control within planetary gear systems and other similar gear configurations.
What is the role of a sun gear in the operation of a differential gear system?
The sun gear plays a vital role in the operation of a differential gear system, which is commonly used in vehicles to distribute power between the wheels while allowing them to rotate at different speeds. The sun gear, along with other gears in the differential, contributes to the smooth and efficient operation of the system. Here’s an explanation of the role of a sun gear in the operation of a differential gear system:
- Power Input:
The sun gear serves as the input for the differential gear system. It receives torque from the driveshaft or propeller shaft, which transfers power from the engine or transmission to the differential. The rotation of the sun gear initiates the power flow within the differential assembly.
- Speed Differentiation:
The primary function of the differential gear system is to allow the wheels to rotate at different speeds while distributing power between them. The sun gear, along with the other gears in the differential, enables this speed differentiation.
As the sun gear rotates, it meshes with the planet gears, which are arranged around it. The planet gears, in turn, engage with the ring gear, which is connected to the axle shafts leading to the wheels. The interaction between the sun gear, planet gears, and ring gear allows the differential to accommodate different rotational speeds of the wheels.
- Distribution of Torque:
Another critical role of the sun gear is to distribute torque between the wheels in a differential system. The torque input from the sun gear is transmitted to the planet gears, which then transfer the torque to the ring gear and, subsequently, to the axle shafts and wheels.
As the differential operates, it adjusts the distribution of torque based on the traction and resistance encountered by each wheel. If one wheel experiences less resistance or has more traction than the other, the differential will allocate more torque to that wheel. This torque distribution helps optimize power delivery, improve traction, and enhance vehicle stability during cornering or uneven road conditions.
- Equal Torque Split (Open Differential):
In an open differential system, which is the most common type, the sun gear plays a role in equal torque split between the wheels under normal driving conditions. When both wheels have equal traction and resistance, the sun gear distributes torque equally to the planet gears, resulting in an equal torque split between the wheels.
However, in situations where one wheel loses traction or encounters less resistance, such as during wheel slip or when one wheel is on a slippery surface, the open differential will prioritize torque delivery to the wheel with less traction, potentially reducing overall traction and performance.
- Limited-Slip Differential:
In some differential systems, such as limited-slip differentials (LSDs), the sun gear’s role is modified to provide improved traction and torque distribution. LSDs use various mechanisms, such as clutch packs or viscous fluids, to limit the speed differentiation between the wheels and redirect torque to the wheel with more traction.
In LSDs, the sun gear’s engagement with the other gears is modified to allow for controlled torque transfer, enhancing traction and stability during challenging driving conditions.
In summary, the sun gear in a differential gear system serves as the power input and enables speed differentiation and torque distribution between the wheels. Its role is crucial for ensuring smooth power delivery, optimizing traction, and enhancing vehicle stability in various driving conditions.
What is the significance of the positioning of the sun gear in planetary gear arrangements?
The positioning of the sun gear in planetary gear arrangements holds significant importance and directly impacts the functionality and performance of the gear system. Understanding the significance of sun gear positioning helps in comprehending how different configurations can be utilized to achieve specific objectives. Here’s an explanation of the significance of the positioning of the sun gear in planetary gear arrangements:
- Power Input: The sun gear serves as the primary power input element in a planetary gear arrangement. Its central position allows it to receive rotational motion and torque from an external source, such as an engine or motor. Being the input gear, the sun gear plays a crucial role in transmitting power to other gears within the system.
- Interaction with Planet Gears: The positioning of the sun gear at the center of a planetary gear arrangement enables its engagement with multiple planet gears. The planet gears, which are smaller gears surrounding the sun gear, mesh with both the sun gear and an outer ring gear. This interaction between the sun gear and planet gears facilitates the transfer of torque and motion between the gears.
- Torque Distribution: As the sun gear rotates, it transmits torque to the planet gears through their meshing teeth. The planet gears, in turn, transfer the torque to the outer ring gear. The positioning of the sun gear, along with the arrangement of the planet gears and ring gear, allows for torque distribution among the gears. This torque distribution mechanism enables efficient load sharing and prevents excessive stress on any single gear, enhancing the overall durability and performance of the gear system.
- Gear Ratio Control: The positioning of the sun gear in relation to the planet gears and the ring gear determines the gear ratio of the planetary gear arrangement. By changing the arrangement and sizes of these gears, different gear ratios can be achieved. The number of teeth on the sun gear, planet gears, and ring gear, as well as their relative sizes, play a crucial role in determining the gear ratio. This flexibility in gear ratio control allows for the customization of output speeds and torque levels to suit specific application requirements.
- Torque Amplification: The positioning of the sun gear in a planetary gear arrangement enables torque amplification. By utilizing the interaction between the sun gear, planet gears, and ring gear, the gear system can multiply or reduce torque based on the gear ratio configuration. This torque amplification feature is particularly advantageous in applications where high torque output is needed, such as automotive transmissions and heavy machinery.
- Directional Control: The positioning of the sun gear also contributes to the directional control capability of a planetary gear arrangement. By fixing or holding the sun gear while the ring gear or planet carrier is driven, the gear system can achieve different output directions, such as forward or reverse rotation. This directional control adds versatility to the gear system, allowing it to be used in various mechanical applications.
In summary, the positioning of the sun gear in planetary gear arrangements is significant for power input, interaction with planet gears, torque distribution, gear ratio control, torque amplification, and directional control. The central position of the sun gear enables efficient power transmission, load sharing, and customization of gear ratios, making planetary gear arrangements with a sun gear suitable for a wide range of mechanical applications.
editor by CX 2023-10-17