China Custom Leaf Spring Auto Spare Parts for Semi Trailer Truck Mechanical Suspension System

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.

Delivery time 7-15 Working days Payment T/T, L/C
Certificate ISO,CE 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
Warranty: Provide
Type: Leaf Spring
Samples:
US$ 70/Piece
1 Piece(Min.Order)

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Customization:
Available

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

trailer suspension

How do trailer suspensions affect the ride quality and handling of a towing system?

Trailer suspensions have a significant impact on the ride quality and handling of a towing system. Here’s a detailed explanation:

  • Ride Quality:
  • The suspension system directly influences the ride quality experienced during towing:

    • Shock Absorption: A well-designed suspension system absorbs shocks and vibrations caused by road irregularities, bumps, or potholes. It helps cushion the trailer, providing a smoother and more comfortable ride. Effective shock absorption reduces the jolts and vibrations felt inside the towing vehicle, minimizing driver and passenger discomfort.
    • Reduced Bouncing and Pitching: The suspension system plays a crucial role in minimizing excessive bouncing and pitching motions of the trailer. It helps maintain contact between the tires and the road surface, improving stability and reducing the transfer of vertical forces to the towing vehicle. Reduced bouncing and pitching enhance ride comfort and minimize the risk of trailer instability.
    • Vertical Movement: A well-calibrated suspension system minimizes excessive vertical movement of the trailer. It helps keep the trailer level and stable, preventing it from bouncing or swaying excessively. This results in a more comfortable and controlled towing experience.
  • Handling:
  • The suspension system also affects the handling characteristics of the towing system:

    • Stability: A properly designed suspension system enhances the stability of the towing system. It helps distribute the weight evenly across the axles, maintaining proper balance and reducing the risk of swaying or fishtailing. Improved stability contributes to better handling and control, particularly during turns, lane changes, or encounters with crosswinds.
    • Steering Response: The suspension system influences the steering response of the towing system. It affects 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 steering precision. This enhances the overall handling and maneuverability of the towing system.
    • Trailer Sway Control: The suspension design can incorporate features to mitigate trailer sway. Sway control mechanisms, such as sway bars or electronic stability control systems, can be integrated into the suspension system to improve handling and reduce the risk of trailer sway. These features contribute to safer and more controlled towing.

In summary, trailer suspensions significantly affect the ride quality and handling of a towing system. They impact factors such as shock absorption, bouncing and pitching, vertical movement, stability, steering response, and trailer sway control. A well-designed suspension system provides better ride comfort, reduces driver and passenger discomfort, enhances stability, improves handling characteristics, and contributes to a safer and more enjoyable towing experience.

trailer suspension

Can you share tips for improving the longevity and performance of trailer suspensions in towing applications?

Maintaining and enhancing the longevity and performance of trailer suspensions in towing applications is essential for safe and efficient operation. Here are some valuable tips to achieve this:

  • 1. Regular Inspections: Conduct frequent visual inspections of the trailer suspensions. Look for signs of wear, damage, or corrosion on components such as springs, shocks, and mounting hardware. Address any issues promptly to prevent further damage.
  • 2. Lubrication: Ensure that all moving parts, including bushings and pivot points, are adequately lubricated. Proper lubrication reduces friction, minimizes wear, and extends the lifespan of suspension components. Follow the manufacturer’s recommendations for lubrication intervals and types of lubricants.
  • 3. Maintain Proper Alignment: Verify that the trailer’s suspension components, including axles and wheels, are correctly aligned. Misalignment can lead to uneven tire wear and affect handling. Correct any alignment issues to ensure even weight distribution.
  • 4. Inspect Shock Absorbers or Dampers: Regularly check shock absorbers or dampers for leaks, visible damage, or signs of reduced effectiveness. Worn or damaged shocks can compromise ride quality and handling. Replace them when necessary.
  • 5. Monitor Air Suspension Systems: If the trailer uses air suspension, inspect airbags, valves, and associated components for leaks, proper inflation, and overall condition. Address air leaks promptly to maintain suspension performance.
  • 6. Torque Fasteners: Periodically check and torque all fasteners, including bolts, nuts, and U-bolts. Loose or improperly tightened fasteners can lead to component failure and compromise suspension integrity.
  • 7. Proper Load Distribution: Ensure that cargo is loaded and distributed evenly within the trailer. Overloading or uneven weight distribution can strain suspension components and lead to premature wear.
  • 8. Maintain Brake Components: Inspect brake components, including drums, pads, and calipers. Ensure that the brakes are functioning correctly and that there is even wear on the brake components. Replace any worn or damaged brake parts promptly.
  • 9. Wheel Alignment: Maintain proper wheel alignment to prevent irregular tire wear and ensure straight-line stability. Misaligned wheels can place additional stress on suspension components and lead to premature wear.
  • 10. Address Unusual Noises: Pay attention to any unusual noises coming from the suspension during operation. Clunks, squeaks, or rattles may indicate underlying issues. Investigate and address the source of unusual noises promptly.
  • 11. Follow Manufacturer Recommendations: Adhere to the manufacturer’s recommended maintenance schedule and guidelines. Manufacturers provide specific instructions for maintaining their suspension systems, and following these recommendations is essential for optimal performance and warranty compliance.
  • 12. Consider Professional Inspections: Periodically, consider having the trailer suspension system professionally inspected. Trained technicians can identify potential issues that may not be visible during routine inspections, ensuring comprehensive maintenance.

By incorporating these maintenance practices into a routine schedule, trailer owners and operators can help ensure that the suspension system operates optimally, promoting safety, reliability, and longevity in towing applications.

trailer suspension

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.

China Custom Leaf Spring Auto Spare Parts for Semi Trailer Truck Mechanical Suspension System  China Custom Leaf Spring Auto Spare Parts for Semi Trailer Truck Mechanical Suspension System
editor by Dream 2024-05-06