Product Description

Product Description

Steering Gear Rack and Pinion for 2011-2014 Audi A8 4H1422065F

Part Name    Power Steering Rack
Part Number    4H1422065F
Used for  2011-2014 Audi A8
Package  Carton/Wodden/Customized
Delivery Time 7-15 days
MOQ  10 PCS
Product function 1. The Power Steering Rack has excellent control performance.
2. The Power Steering Rack plays an important role in the stability and smoothness of the car.
3. The Power Steering Rack is crucial to the safety performance of the vehicle.
4. The Power Steering Rack is also of great significance to the economy and environmental protection of the car.

 

Product Display

 

No. Part number  Application
1 5N1423058F Audi Q3 Q5  Volkswagen Tuyue 
2 8E1422066T Audi A4/B6 B7/1.8T non-charged LHD
3 4B1422066K  Audi A6 
4 7L8422062G 2C
22 2H1422055C Audi Q7 LHD
23 1J1422061 Audi A3 VW BORA/GOLF/MK4/LAVIDA

Payment&Delivery

Certifications

 

Company Profile

ABOUT COMPANYZheJiang JICHENG TRADING COMPANY, Located in HangZhou City, is a professional manufacture and supplier of heavy duty machine and spare parts.  With more than 10 years experience, we supply the top quality products at the most competetive prices. Our customers are from America, Canada, Europe, Middle East, Africa. 

The products we manufacture by own are the crank system parts, such as the piston, cylinder liner, bearings, and cylinder heads.
As well, we are dealer of the China engines, and machines. Include the CHINAMFG engine parts, CHINAMFG truck parts, CHINAMFG truck parts, and CHINAMFG engine parts.

We have own warehouse with more than 2000 square meters, 2 shops and 1 office, all locate in HangZhou city. The register capacity is more than 5 million dollars. Our annual turnover is over 4,000,000 dollars. Quality, Service, Price, are our business goals. Welcome friends and customers visit us.

FAQ

Q1: What’s the price?
A1: The price is negotiable. It can be changed according to your quantity or package. When you are making an inquiry, please let us know the quantity you want.

Q2: How can I get a sample before placing an order?
A2: We can provide you a sample, you need to pay the goods and air freight to us.

Q3: What’s the MOQ?
A3: The minimum order quantity of each item is different, if the MOQ does not meet your requirement, please email me, or chat with me.

Q4: Can you customize it?
A4: Welcome, you can send your own design of automotive product and logo, we can open new mold and print or emboss any logo for yours.

Q5: Will you provide a warranty?
A5: Yes, we are very confident in our products, and we pack them very well, so usually you will receive your order in good condition. But due to the long time shipment, there will be little damage to products. Any quality issue, we will deal with it immediately.

Q6: How to pay?
A6: We support multiple payment methods, if you have any questions, pls contact me.

Q7: How to confirm a spare part ?
A7: Usually, we confirm a spare part according to following details:
(1) Applied model and brand.
(2) Model Part number.
(3) Photos of a spare part.

If you have any questions, please don’t hesitate to contact us. We are always ready to offer you help to build friendly cooperation with you!

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After-sales Service: 12 Months
Warranty: 12 Months
Type: Steering Gears/Shaft
Samples:
US$ 200/Piece
1 Piece(Min.Order)

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Order Sample

Standard
Customization:
Available

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Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

plastic gear rack

Can rack and pinion systems withstand variations in environmental conditions?

Rack and pinion systems are designed to operate effectively in a wide range of environmental conditions. However, the ability of a rack and pinion system to withstand variations in environmental conditions depends on several factors, including the materials used, the design of the system, and the specific conditions it will be exposed to. Here’s a detailed explanation:

  • Temperature: Rack and pinion systems can generally tolerate a broad temperature range. However, extreme temperatures, whether high or low, can affect the performance and longevity of the system. For example, at extremely high temperatures, thermal expansion of the components can lead to dimensional changes, affecting the accuracy and smoothness of motion. On the other hand, extremely low temperatures can cause materials to become brittle, potentially leading to increased wear or component failure. Selecting materials with appropriate thermal properties and considering measures such as lubrication or insulation can help mitigate temperature-related challenges.
  • Humidity and Moisture: Rack and pinion systems that are exposed to high humidity or moisture levels can be susceptible to corrosion or rust. Corrosion can affect the surfaces of the rack and pinion components, leading to increased friction, wear, or even component failure. Choosing materials with good corrosion resistance, such as stainless steel or appropriate coatings, can help protect against moisture-related damage. Regular maintenance, including proper cleaning and lubrication, is also essential in humid environments.
  • Dust and Contaminants: In environments where there is a presence of dust, dirt, or other contaminants, rack and pinion systems can experience accelerated wear and reduced performance. Particles can accumulate on the surfaces of the rack and pinion components, leading to increased friction, increased backlash, or even jamming. Regular cleaning and proper sealing or shielding of the system can help prevent the ingress of contaminants and maintain optimal performance.
  • Chemical Exposure: Rack and pinion systems that are exposed to chemicals or corrosive substances need to be constructed from materials that are resistant to the specific chemicals present. Certain chemicals can degrade or corrode the materials commonly used in rack and pinion systems. In such cases, selecting appropriate materials or implementing protective coatings is necessary to ensure the system’s integrity and longevity.
  • Outdoor or Harsh Environments: Rack and pinion systems installed in outdoor or harsh environments, such as construction sites or industrial facilities, may encounter additional challenges. These environments often involve exposure to weather elements, extreme temperatures, vibrations, or heavy loads. In such cases, the design of the rack and pinion system needs to consider factors such as robustness, sealing against moisture or dust, protection against impact or vibration, and appropriate material selection to withstand the specific demands of the environment.

It is important to note that while rack and pinion systems can generally withstand variations in environmental conditions, proper maintenance and regular inspections are crucial to ensure their optimal performance. Periodic cleaning, lubrication, and monitoring for signs of wear or damage can help identify and address any issues promptly, extending the life of the rack and pinion system and maintaining its reliability under changing environmental conditions.

plastic gear rack

How do rack and pinion systems contribute to precise motion control?

Rack and pinion systems play a crucial role in achieving precise motion control in various applications. The inherent design and characteristics of rack and pinion mechanisms contribute to their ability to provide accurate and reliable motion control. Here’s a detailed explanation:

1. Direct and Efficient Power Transmission: Rack and pinion systems offer direct power transmission, meaning there are no intermediate components or linkages between the input and output. This direct connection allows for efficient power transfer without significant energy losses. As a result, the motion control system can respond quickly and accurately to input commands, enabling precise control over the position, speed, and acceleration of the driven load.

2. High Mechanical Advantage: Rack and pinion systems provide a mechanical advantage, especially in applications where linear force or torque needs to be converted. The gear ratio of the system determines the mechanical advantage, allowing for amplification or reduction of the input force or torque. By adjusting the gear ratio, the system can be optimized to achieve the desired level of precision and force transmission. The mechanical advantage enhances the system’s ability to overcome friction, resist external disturbances, and maintain positional accuracy.

3. Minimal Backlash: Backlash refers to the slight clearance or play between the teeth of the gears in a mechanical system. Rack and pinion systems are designed to minimize backlash, ensuring precise and repeatable motion control. The tight engagement of the gear teeth in a rack and pinion mechanism reduces backlash, resulting in minimal lost motion and improved accuracy. This characteristic is particularly important in applications that require precise positioning, such as CNC machines, robotics, or optical equipment.

4. Smooth and Continuous Motion: Rack and pinion systems can provide smooth and continuous motion due to the constant contact between the gear teeth. The teeth on the pinion gear mesh with the teeth along the rack’s length, resulting in a continuous transfer of motion. This continuous contact helps to eliminate jerks, vibrations, or hysteresis that could affect the precision of the motion control system. The smooth and continuous motion is vital for applications where precise speed control or smooth trajectory tracking is required.

5. High Positional Accuracy: Rack and pinion systems excel at achieving high positional accuracy. The linear nature of the motion provided by the rack allows for precise control over the position of the driven load. Combined with low backlash, the system can accurately maintain the desired position without significant deviation. This level of positional accuracy is critical in applications such as CNC machining, 3D printing, or metrology, where tight tolerances and precise positioning are essential.

6. Scalability and Flexibility: Rack and pinion systems offer scalability and flexibility, making them suitable for a wide range of applications. They can be designed and implemented in various sizes and configurations to accommodate different load capacities, travel distances, and speed requirements. The modular nature of rack and pinion systems allows for easy integration into different mechanical systems, making them adaptable to diverse motion control applications.

In conclusion, rack and pinion systems contribute to precise motion control through their direct power transmission, high mechanical advantage, minimal backlash, smooth and continuous motion, high positional accuracy, and scalability. These characteristics make rack and pinion mechanisms a popular choice in numerous industries, including robotics, automation, manufacturing, and automotive, where precise and reliable motion control is vital.

plastic gear rack

What are the key components of a rack and pinion mechanism?

A rack and pinion mechanism consists of several key components that work together to convert rotational motion into linear motion. Here’s a detailed explanation of the key components of a rack and pinion mechanism:

  • Rack: The rack is a linear gear with teeth along its length. It is a long, straight bar that serves as the linear motion component of the mechanism. The rack is often made of metal or plastic and is designed with precision to ensure smooth engagement with the pinion.
  • Pinion: The pinion is a small gear with teeth that mesh with the teeth on the rack. It is the rotational motion component of the mechanism. The pinion is typically mounted on a shaft and is connected to a rotary motion source, such as an electric motor or a manual crank.
  • Teeth: The teeth on both the rack and the pinion are integral to the mechanism’s operation. The teeth of the pinion mesh with the teeth on the rack, allowing for the transfer of motion. The tooth profile and spacing are crucial for ensuring smooth and efficient engagement between the rack and pinion.
  • Bearing Support: To ensure smooth and reliable operation, a rack and pinion mechanism often incorporates bearing support. Bearings are used to support the pinion shaft, reducing friction and allowing for smooth rotation. Bearings may also be used to support the rack, depending on the specific design and application.
  • Guides: Guides are used to guide and support the linear motion of the rack. They help maintain alignment and prevent lateral movement or misalignment during operation. Guides can be in the form of rails, tracks, or other structures that keep the rack in the desired path of motion.
  • Housing or Mounting Structure: A rack and pinion mechanism may include a housing or mounting structure to provide support, stability, and proper alignment of the components. The housing or structure ensures that the rack and pinion remain securely in place, maintaining the integrity of the mechanism during operation.
  • Additional Components: Depending on the specific application, a rack and pinion mechanism may incorporate additional components. These can include lubrication systems to reduce friction and wear, position sensors for feedback and control, and protective covers or enclosures to shield the mechanism from dust, debris, or environmental elements.

Each of these components plays a vital role in the operation of a rack and pinion mechanism, enabling the conversion of rotational motion to linear motion with precision and efficiency.

China factory Steering Gear Rack and Pinion for 2011-2014 Audi A8 4h1422065f worm gearboxChina factory Steering Gear Rack and Pinion for 2011-2014 Audi A8 4h1422065f worm gearbox
editor by Dream 2024-05-02