China supplier OEM ODM Trailer 40-47HRC Hardness Parts Trailer Leaf Spring Suspension

Product Description

OEM ODM trailer 40-47HRC Hardness parts 44.5*8-4 BPW Trailer Leaf Spring Suspension System 

Place of Origin HangZhou China
Brand Name Xiaocheng
Material 65Mn, 60Si2Mn, Sup9, 50crva, 51CRV4 ,55CrMnA,Alloy,Or As you required
Model Number Leaf Spring
Certificate TS16949,ISO,CE
Application commercial vehicles
Weight 20-100kgs
Breadth 76,90,100,120mmthickness
Thickness 10,11,12,13,14,16,18,20,38mm,etc.
Packing Export Standard Packing by Pallet
Size customized

Product Description

 

 

Detailed Photos

 

Packaging & Shipping

 

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.

Our Advantages

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.
  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Provide
Warranty: Provide
Material: Carbon Steel
Samples:
US$ 35/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

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.

trailer suspension

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:
  • Leaf spring suspensions offer the following advantages:

    • 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:
  • Torsion axle suspensions offer the following advantages:

    • 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:
  • Air suspensions offer the following advantages:

    • 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.

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.

trailer suspension

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.

trailer suspension

How does the design of a trailer suspension impact the overall stability and comfort during towing?

The design of a trailer suspension has a significant impact on the overall stability and comfort during towing. Here’s a detailed explanation:

  • Stability:
  • The design of the trailer suspension directly affects the stability of the trailer during towing:

    • 1. Weight Distribution: A well-designed suspension system ensures proper weight distribution across the trailer’s axles. It helps distribute the load evenly, preventing excessive weight on one axle and reducing the risk of overloading. Proper weight distribution enhances stability by maintaining the trailer’s balance and reducing the likelihood of swaying or fishtailing.
    • 2. Center of Gravity: The suspension design plays a crucial role in managing the trailer’s center of gravity. A lower center of gravity improves stability by reducing the trailer’s tendency to tip or sway. Suspension systems with lower mounting points or those that incorporate features like torsion axles or independent suspension help lower the center of gravity and enhance overall stability.
    • 3. Suspension Geometry: The geometry of the suspension system impacts stability by influencing factors such as wheel alignment, tracking, and roll resistance. A well-designed suspension geometry ensures that the wheels track properly, minimizing sideways movement and improving stability during turns or lane changes.
    • 4. Damping Capability: The suspension design affects the damping capability, which refers to the system’s ability to absorb and dissipate shocks. Effective shock absorption reduces the transfer of vertical forces to the trailer, minimizing bouncing, oscillation, and excessive vertical movement. This helps maintain stability by preventing the trailer from becoming unsettled on uneven roads or encountering destabilizing forces.
  • Comfort:
  • The design of the trailer suspension also impacts the comfort experienced during towing:

    • 1. Shock Absorption: A well-designed suspension system effectively absorbs shocks and vibrations caused by road irregularities, bumps, or potholes. It utilizes components such as springs and shock absorbers to cushion the trailer, providing a smoother and more comfortable ride. Effective shock absorption reduces the jolts and vibrations felt inside the towing vehicle and minimizes the transfer of these forces to the cargo being transported.
    • 2. Ride Quality: The suspension design influences the overall ride quality of the trailer. A suspension system that balances load support and shock absorption provides a more comfortable towing experience. It reduces excessive bouncing, pitching, or swaying, enhancing comfort for both the driver and passengers in the towing vehicle.
    • 3. Noise and Vibration: A well-designed suspension system helps minimize noise and vibration during towing. It reduces the transmission of road-induced vibrations and impacts to the trailer’s frame and components. This results in a quieter and smoother ride, enhancing overall comfort and reducing driver fatigue.
    • 4. Trailer Sway: The design of the suspension system can impact the trailer’s susceptibility to sway. Suspension systems that incorporate features like sway control mechanisms, independent suspension, or torsion axles offer improved resistance against trailer sway, enhancing stability and comfort during towing.

In summary, the design of a trailer suspension significantly influences the overall stability and comfort during towing. A well-designed suspension system ensures proper weight distribution, manages the center of gravity, optimizes suspension geometry, and provides effective shock absorption. It enhances stability by reducing swaying, improving tracking, and minimizing vertical movement. Additionally, it improves comfort by absorbing shocks, reducing noise and vibration, and minimizing trailer sway. Choosing a suitable suspension design that meets the specific towing requirements is essential for achieving a stable and comfortable towing experience.

China supplier OEM ODM Trailer 40-47HRC Hardness Parts Trailer Leaf Spring Suspension  China supplier OEM ODM Trailer 40-47HRC Hardness Parts Trailer Leaf Spring Suspension
editor by CX 2024-04-12