China best Excavator Parts Excavator Gear 11213989 Voe14547279 Sun Gear for CZPT LG Excavator Ec290c Ec290b Ec300d hypoid bevel gear

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Construction Machines Excavator Parts Sun Gear VOE14547279 For EC290C EC3
Related Parts Excavator Spare Parts
Packing Standard Export Packing
MOQ 1 Piece
Applicable Industries Machinery Repair Shops, Retail, Construction works
Supply Ability 1
Part name gear
Applicable machine EC290C EC290B EC300D

Other products

WHY CHOOSE US
1.More than 10 years experience in excavator spare parts field;
2.We are experts in CHINAMFG excavator parts and have in this industry since 2571
3.Original parts from suppliers with ensured and high quality;
4.Large range of spare parts scope for excavators;
5.Have parts in stock and give you short lead time;
6.Reasonable and competitive price;

Company Profile     
     HangZhou Junchi construction machinery Co., Ltd. is located in HangZhou logistics capital of China. We are a dealer specialized in excavator accessories, excavator parts genuine accessories one-stop shopping center. We provide all types of Volvo/LG/PC excavator spare parts for all kinds of excavator models. 
     It is convenient for you to buy all parts for Volvo/LG/PC excavators together.
    JUNCHI is our own brand, which integrates our industry experience over the years to provide you with products with better prices and higher quality. We are committed to meeting all your needs for excavator parts and providing you with the most perfect excavator parts solution. Use the best quality and the most competitive price to obtain long-term cooperation with customers.
    We sincerely hope to cooperate with all people around the world and welcome your visit to our company, In the meanwhile, we believe that through our continuous perfecting service system and technique, you can possess the world’s best products with the world’s first – class service!

About Us
Factory

Our Warehouse

Packing and shipment
Our Advantage:
1  We have many highly qualified engineers and sale managers, with wide and specific knowledge in the sale, and repair of construction machines, the sales team prides itself on its knowledge of heavy machinery coupled with exemplary after sales service .
2  We have our transfer warehouse for all the spare parts, the warehouse is about 2000 square meter, hold about USD5,000,000.00 spare parts anytime.
3  we have high-efficient logistics operation system,which ensure shipment is on time and right.
4  our product is all over the world.
5  we hope create the future together with every Volvo/LG/PC machine customers.

FAQ
1.If I only know the excavator model, but can not offer parts No., what should I do ?
 If possible, you can provide pictures of old products, nameplate or size of the parts.
2.How can I pay the order?
We can receive payment through T/T, L/C, Western Union.
3.When will get the items after I place order?
Once we receive your payment, we will deliver the goods within 24 hours; if not in stock , we will communicate with you before placing orders.
4.How can I do if there is something wrong with the items?
First of all ,we can assure the  quality of our products ,if you really found something wrong ,pls provide pictures for us and we will check.  After it is confirmed, pls return to us , we will offer the correct item.
5.What is your main products ?
We are specialized in excavator spare parts, such as engines/or parts, undercarriage parts, electronic parts, hydraulic parts , covering parts, attachments and so on.  If you need other excavator parts, we also can supply as your requirements

 

After-sales Service: Online Support
Warranty: 6 Months
Type: Bearing
Application: Excavator
Certification: CE, ISO9001: 2000
Condition: New
Samples:
US$ 61/Piece
1 Piece(Min.Order)

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Customization:
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sun gear

Can sun gears be used in automotive applications?

Sun gears are widely used in various automotive applications, playing crucial roles in different systems. Let’s explore the automotive applications where sun gears are commonly employed:

  • Automatic Transmissions:

Sun gears are integral components of automatic transmissions in vehicles. Automatic transmissions use planetary gear systems, where the sun gear is one of the key elements. The interaction between the sun gear, planet gears, and ring gear allows for different gear ratios and smooth shifting between gears.

In automatic transmissions, the sun gear is driven by the engine’s input shaft and transmits power to the other gears. By controlling the engagement of various clutches and brakes within the transmission, the sun gear enables seamless gear changes, optimizing vehicle performance and fuel efficiency.

  • Transfer Cases:

In four-wheel-drive and all-wheel-drive vehicles, transfer cases distribute power between the front and rear wheels. Sun gears are utilized in transfer cases to facilitate power transfer and gear reduction.

The sun gear, along with other gears and components, helps control the torque distribution and gear ratios between the front and rear axles. This allows vehicles to adapt to different driving conditions, such as slippery surfaces or off-road terrain, enhancing traction and stability.

  • Starter Motors:

Sun gears are employed in starter motors, which are responsible for cranking the engine during startup. Starter motors use a gear reduction mechanism to convert the electric motor’s high-speed rotation into a higher torque output.

The sun gear, along with other gears like the planetary gears, enables the gear reduction necessary to generate sufficient torque to crank the engine. This gearing arrangement allows for efficient and reliable engine starting, even in challenging conditions.

  • Power Seats and Windows:

Sun gears can also be found in power seat and power window mechanisms in vehicles. These systems use electric motors to adjust seat positions or operate windows.

The sun gear, along with other gears and mechanisms, converts the rotational motion of the electric motor into linear movement, enabling precise adjustments of seat positions or smooth operation of windows. The use of sun gears ensures reliable and efficient functionality of these systems.

  • Other Automotive Systems:

Sun gears may also have applications in other automotive systems. For example, they can be found in power steering systems, where they contribute to the gear reduction and power transmission required for smooth steering operation.

Furthermore, sun gears can be utilized in various auxiliary systems, such as cooling fans, HVAC (heating, ventilation, and air conditioning) systems, and engine accessories. These applications leverage the sun gear’s ability to facilitate power transmission and gear reduction, enhancing the efficiency and performance of these systems.

In summary, sun gears are extensively used in automotive applications, including automatic transmissions, transfer cases, starter motors, power seats and windows, power steering systems, and auxiliary systems. Their presence in these systems enables crucial functions such as gear shifting, power distribution, gear reduction, and efficient power transmission. Sun gears contribute to the overall performance, reliability, and functionality of automotive systems, enhancing the driving experience and vehicle efficiency.

sun gear

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.

sun gear

Can you explain the role of a sun gear in planetary gear systems?

The sun gear plays a crucial role in planetary gear systems, contributing to their unique functionality and versatility. Understanding the specific role of the sun gear within these systems helps in comprehending their overall operation. Here’s an explanation of the role of a sun gear in planetary gear systems:

  • Power Input: The sun gear serves as the primary power input element in a planetary gear system. It receives rotational motion and torque from an external source, such as an engine or motor. This power input is transmitted to other gears within the system.
  • Engagement with Planet Gears: One of the distinctive features of a planetary gear system is the interaction between the sun gear and multiple planet gears. The planet gears are smaller gears that surround the sun gear and mesh with both the sun gear and an outer ring gear. This engagement allows for the transfer of torque and motion between the gears.
  • Power 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. This power distribution mechanism enables the sharing of torque among multiple gears within the system, allowing for load distribution and efficient power transmission.
  • Gear Ratio Control: By changing the arrangement and sizes of the sun gear, planet gears, and ring gear, planetary gear systems can achieve different gear ratios. The number of teeth on the sun gear, planet gears, and ring gear, as well as their relative sizes, determine the gear ratio. This flexibility in gear ratio control enables planetary gear systems to provide various output speeds and torque levels, catering to different operational requirements.
  • Torque Amplification: A key advantage of planetary gear systems is their ability to amplify torque. By employing a combination of the sun gear, planet gears, and ring gear, torque can be multiplied or reduced depending on the gear ratio configuration. This torque amplification feature is beneficial in applications where high torque output is required, such as automotive transmissions and heavy machinery.
  • Directional Control: Another notable aspect of planetary gear systems is their directional control capability. 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 gear systems, enabling them to be used in various mechanical applications.

In summary, the sun gear in planetary gear systems serves as the power input element, engages with planet gears, distributes torque, controls gear ratios, provides torque amplification, and enables directional control. Its role is essential in achieving efficient power transmission, versatile gear ratios, and adaptable functionality in a wide range of mechanical applications.

China best Excavator Parts Excavator Gear 11213989 Voe14547279 Sun Gear for CZPT LG Excavator Ec290c Ec290b Ec300d hypoid bevel gearChina best Excavator Parts Excavator Gear 11213989 Voe14547279 Sun Gear for CZPT LG Excavator Ec290c Ec290b Ec300d hypoid bevel gear
editor by CX 2023-10-24