Product Description
The function of vehicle leaf springs:
The leaf spring is composed of many steel plates with elasticity, uniform width and different lengths. Its function is to connect the frame and the axle together in the form of suspension, expose between the frame and the axle, bear the load impact of the wheel on the frame, reduce the violent vibration of the body, maintain the stability of the vehicle and adaptability to different road conditions.
Manufacture heavy duty truck parts BPW FUMA Bogie trailer leaf spring suspension
Product Parameters
| Delivery time | 7-15 Working days | Payment | T/T, L/C |
| Certificate | CE,ISO | HS Code | 7325712000 |
| Origin | ZheJiang , China | Transport Package | Pallet |
| Material | 65mn, 60si2mn, Sup9, 50crva, 51CRV4 | Type | Truck Leaf Spring |
Company Profile
ZheZheJiang CHINAMFG Auto Parts Co., Ltd. is a modern private enterprise engaged in the design, development and production of automobile leaf spring. The company has been operating for more than 10 years, focusing on the production and development of the existing leaf spring 2 production lines (annual output of more than 30,000 tons).
The company is a domestic supporting enterprise, and has close cooperation with CHINAMFG Xihu (West Lake) Dis. and Sinotruk. Our raw material cooperation manufacturers include HangZhou HangZhou, HangZhou Special Steel, CHINAMFG Special Steel and other large domestic steel mills to ensure the quality of raw materials.
Our production process is all in accordance with the original process, the use of rapid quenching oil for heat treatment, to ensure the level of metallographic structure. Surface shot peening, using stress shot peening machine, effectively ensure residual stress. The paint is treated by electrophoretic spraying, and the salt spray test reaches 400 hours. It has successfully passed various bench and road tests, and can be customized according to the drawings and corresponding requirements.
Company boss Mr. Zhou and technical R & D personnel engaged in more than 20 years, the company independent research and development “filial piety” brand leaf spring, committed to the “good filial piety first, integrity win the world” business philosophy, we do products to “filial piety” as the first person, to “sincere” for the business, welcome friends from all circles to visit and guide.
Main Products:
Benz Series, Single Point Trailer, RV, tractor-trailer, Light Trailer,Faw Xihu (West Lake) Dis. J5, J6 dump truck, tractor full series, J7 tractor series and other leaf springs Heavy auto Haowo, Steyer, T7H, T5H, Shande heavy truck and other dump truck full series leaf springs, Auman, Xihu (West Lake) Dis.feng, ZheJiang auto series leaf springs, Northern Benz series leaf springs, trailer series leaf springs.
FAQ
Q1: What material of the leaf spring can you supply?
A: We can supply different materials of leaf spring, including 60Si2Mn, SUP9,50CrV, 51CrV4, or any material as you require. Before placing the order, please make sure the material to us or we can advise the material to you according to your specification.
Q2: How about the quality of your product?
A: Our products are certified to ISO9001, TS16949 international quality standards. We have very strict Quality Control Systems.
Q3: What’s your best price for your product?
A: We will quote you best price according to your requirements, so when you making an inquiry, please let us know the quantity and material of the product you need. The more quantity, the better price.
Q4:Can we print our own logo or label on the springs?
A: Yes, you can. We support logo print&label print&stamping, normally the print is free.
Q5: What about the package of the product?
A:The goods will be packed according to your requirements and in well protection before delivery.
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| After-sales Service: | Provide |
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| Type: | Leaf Spring |
| Samples: |
US$ 53/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
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about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What advantages do certain types of trailer suspensions offer compared to others?
Different types of trailer suspensions offer distinct advantages over others based on their design and characteristics. Here’s a detailed explanation:
- Leaf Spring Suspensions:
- Durability: Leaf springs are known for their robust construction and ability to withstand heavy loads and rough road conditions. They can handle high load capacities, making them suitable for trailers carrying substantial weight.
- Load-Carrying Capacity: Leaf springs provide excellent load-carrying capacity, distributing the weight evenly across the axles. This helps maintain stability and prevents excessive sagging or bottoming out.
- Cost-Effectiveness: Leaf spring suspensions are often more affordable compared to other types, making them a popular choice in many trailer applications.
- Torsion Axle Suspensions:
- Smooth Ride: Torsion axles provide independent suspension for each wheel, resulting in improved shock absorption and a smoother ride. They effectively isolate each wheel from the others, reducing the transfer of vibrations and impacts to the trailer and towing vehicle.
- Lower Ride Height: Torsion axles have a lower profile compared to leaf springs, allowing for a lower trailer ride height. This can be advantageous for trailers that need to have a lower center of gravity or require easier loading and unloading.
- Maintenance: Torsion axles typically require less maintenance compared to other types of suspensions. They have fewer moving parts and don’t require regular lubrication or adjustments.
- Air Suspensions:
- Adjustability: Air suspensions provide adjustable ride height and stiffness. This allows for fine-tuning the suspension based on varying load conditions, providing optimal performance and improved ride quality.
- Superior Shock Absorption: Air suspensions are known for their excellent shock absorption capabilities. The airbags absorb shocks and vibrations, resulting in a smoother and more comfortable ride for both the trailer and towing vehicle.
- Leveling and Self-Adjustment: Air suspensions can automatically level the trailer and compensate for uneven loads. This helps maintain proper ride height and weight distribution, enhancing stability and handling.
Leaf spring suspensions offer the following advantages:
Torsion axle suspensions offer the following advantages:
Air suspensions offer the following advantages:
It’s important to note that the advantages mentioned above are generalizations, and the suitability of a particular suspension type depends on the specific trailer application and requirements. Factors such as load capacity, intended use, road conditions, and budget should be considered when selecting the most appropriate suspension type.
In summary, different types of trailer suspensions offer advantages based on their design and characteristics. Leaf spring suspensions provide durability and load-carrying capacity, torsion axle suspensions offer a smooth ride and lower ride height, and air suspensions provide adjustability and superior shock absorption. Choosing the right suspension type involves evaluating the specific needs of the trailer application to ensure optimal performance, stability, and ride comfort.
What are the signs that indicate a need for trailer suspension replacement or maintenance, and how can they be diagnosed?
Recognizing signs of trailer suspension issues is crucial for timely replacement or maintenance to ensure safe and efficient towing operations. Here are common signs and how to diagnose them:
- 1. Uneven Tire Wear: Uneven tire wear, such as cupping or feathering, can indicate suspension problems. Inspect the tires for unusual wear patterns, and if you notice uneven wear, it may suggest misalignment or worn suspension components.
- 2. Excessive Bouncing: If the trailer bounces excessively while in motion, it may be a sign of worn-out shock absorbers or dampers. You can diagnose this by observing the trailer’s behavior while driving on a smooth road. If it continues to bounce after encountering bumps, the shocks may need replacement.
- 3. Squeaking or Clunking Noises: Unusual noises, such as squeaks or clunks, coming from the suspension while driving can indicate worn or damaged components. You can diagnose this by having someone bounce the trailer while you listen for noises, or by performing a visual inspection for loose or damaged parts.
- 4. Poor Handling and Steering: Difficulty in handling or steering the trailer, especially during turns, can be a sign of suspension problems. Uneven handling or drifting may indicate suspension misalignment or worn-out components. Test the trailer’s handling by driving on a straight road and checking for any deviations.
- 5. Excessive Trailer Sway: If the trailer sways excessively from side to side, it may indicate suspension issues. This can be dangerous and is often a result of imbalanced weight distribution or worn-out suspension components. Diagnosis involves inspecting the suspension for damage and ensuring proper load distribution.
- 6. Fluid Leaks: Fluid leaks from shock absorbers or dampers are a clear sign of component failure. Inspect the shocks for visible leaks, which can often be diagnosed by oil residue or wetness around the shock body.
- 7. Sagging Suspension: A visibly sagging or lower-than-normal suspension can indicate weakened springs or overloaded suspension components. A visual inspection can quickly reveal if the suspension is not maintaining its proper ride height.
- 8. Excessive Play: When manually rocking or pushing the trailer, excessive play or movement in suspension components, such as bushings or pivot points, can suggest wear or damage. Hands-on inspection can help identify these issues.
Diagnosing trailer suspension problems typically involves a combination of visual inspection, listening for unusual noises, and observing the trailer’s behavior while driving. Regular maintenance and inspections can help detect issues early and prevent more extensive damage or accidents.
If you encounter any of these signs, it’s advisable to have the trailer suspension inspected by a qualified mechanic or technician who can provide a thorough diagnosis and recommend necessary maintenance or replacement.
What is trailer suspension, and how does it contribute to the smooth operation of a trailer?
Trailer suspension plays a crucial role in the smooth operation of a trailer by providing support, stability, and shock absorption. Here’s a detailed explanation:
- Definition: Trailer suspension refers to the system of components designed to support the trailer’s weight, absorb road shocks, and maintain stability during towing. It typically includes components such as leaf springs, coil springs, torsion axles, airbags, shock absorbers, and linkages that connect the trailer’s axles to the frame.
- Weight Distribution: The primary function of trailer suspension is to distribute the weight of the trailer and its load evenly among the axles. Proper weight distribution is crucial for maintaining stability and preventing excessive strain on individual axles, tires, and other components. A well-designed suspension system ensures that the weight is evenly distributed, reducing the risk of overloading and improving overall towing performance.
- Shock Absorption: Trailer suspension helps absorb road shocks and vibrations, minimizing the impact transferred to the trailer and its cargo. This is achieved through the use of springs and shock absorbers. Springs, such as leaf springs or coil springs, compress and expand to absorb the vertical forces caused by uneven road surfaces, bumps, or potholes. Shock absorbers further dampen these movements, preventing excessive bouncing or jolting and providing a smoother ride.
- Improved Traction and Handling: A well-functioning suspension system enhances traction and handling characteristics of the trailer. By maintaining constant contact between the tires and the road, the suspension system improves traction, especially in challenging road conditions or during maneuvers. It also contributes to better handling, allowing the driver to maintain control over the trailer, reduce sway, and navigate turns more smoothly.
- Reduced Wear and Tear: Trailer suspension helps minimize wear and tear on various components by absorbing and distributing forces. By cushioning the impact of road irregularities, it reduces stress on the trailer’s frame, axles, tires, and other critical parts. This can lead to a longer lifespan of the trailer and its components, reducing the need for repairs or replacements.
- Enhanced Safety: A properly functioning suspension system contributes to the overall safety of towing operations. It helps maintain stability, prevents excessive trailer movement or bouncing, and reduces the risk of losing control or encountering handling issues. By absorbing shocks and vibrations, the suspension system also minimizes the potential for cargo damage and improves road grip, especially in emergency braking situations.
In summary, trailer suspension is a vital component that provides support, stability, and shock absorption in towing applications. It ensures proper weight distribution, absorbs road shocks, improves traction and handling, reduces wear and tear, and enhances overall safety. Regular inspection and maintenance of the trailer suspension system are essential to ensure its optimal performance and contribute to a smooth and trouble-free towing experience.
editor by Dream 2024-04-23