Leaf Spring for Truck

20+ Years of experiences (since 2005)

Implementing IATF 16949-2016

Implementing ISO 9001-2015

Quality standards: GB/T 19844-2018, GT/T 1222-2007

Leaf length tolerance (mm): ±2 (Exceed spring industry standard ±3)

Camber tolearance (mm): ≤±6 (Exceed spring industry standard ±7)

Fatigue life ( cycles): >120,000+ (Exceed spring industry standard 100,000 cycles)


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Product Details

Product Description

 

A leaf spring is a type of suspension system commonly used in trucks and other heavy vehicles. It consists of several layers, or leaves, of metal strips stacked on top of each other and bolted or clamped together. Here are some key points about leaf springs for trucks:

  1. Function: Leaf springs are designed to absorb and distribute the weight of the vehicle evenly across the wheelbase. They provide support and stability, especially under heavy loads.

  2. Construction: Typically made of tempered or hardened steel, leaf springs vary in thickness and number of leaves depending on the load capacity required. The main leaf is the longest and thickest, while additional shorter leaves are layered on top to provide additional support.

  3. Advantages:

  • Strength: Leaf springs are known for their durability and ability to handle heavy loads.

  • Simplicity: They are relatively simple in design and maintenance compared to other suspension types.

  • Cost-effective: Leaf springs are generally less expensive to manufacture and replace compared to more complex suspension systems.

  • Disadvantages:

    • Ride Quality: Leaf springs can provide a stiffer ride compared to more modern suspension systems like coil springs.

    • Space: They can take up more space than other types of suspension, which may limit design options for vehicle manufacturers.

    • Weight: While strong, leaf springs can add significant weight to the vehicle.

  • Types:

    • Multi-leaf springs: Consist of several layers of metal leaves.

    • Mono-leaf springs: Made from a single piece of tapered steel.

  • Applications: Besides trucks, leaf springs are also used in trailers, SUVs, and some passenger cars, particularly those designed for heavy-duty applications.

  • Maintenance: Regular inspection and lubrication are important to ensure leaf springs perform effectively and safely. Over time, they can wear out or develop cracks, especially if exposed to harsh conditions.

  • Modification and Upgrades: Some truck owners opt to modify or upgrade their leaf springs for improved performance or load handling capabilities, depending on their specific needs.

  • Leaf springs have been a fundamental part of truck suspension for decades, offering a balance of strength, reliability, and cost-effectiveness, particularly well-suited for heavy-duty applications and off-road conditions.

    Leaf Spring for Truck

    Product Parameters:


    Parameter

    Sign

    Chord
    Length(mm)

    Chord
    Height(mm)

    Total Pieces

    Thickness/pc(mm)

    Width(mm)

    Assembly
    weight(kg)


    XH3-90-10

    1130

    80

    10

    13

    90

    71

    XH13-90-13

    1130

    80

    13

    13

    90

    79

    XH12-100-12

    1135

    80

    12

    12

    100

    83

    XH16-75-10

    1110

    90

    10

    16

    75

    71

    XH16-90-9

    1115

    80

    9

    16

    90

    79

    XH12-900-12A

    1200

    120

    12

    12

    100

    95

    XH16-90-9A

    1130

    70

    9

    10

    90

    82

    XH13-90-9A

    1120

    80

    9

    13

    90

    62


     

    Application:

     

    Leaf springs are extensively used in trucks due to their ability to handle heavy loads and provide robust suspension support. Here are some specific applications of leaf springs in trucks:

    1. Load Handling: One of the primary reasons leaf springs are used in trucks is their capability to support and distribute heavy loads effectively. Trucks are often used for transporting goods, construction materials, or equipment that require a suspension system capable of carrying significant weight without compromising stability or safety.

    2. Durability: Trucks are subjected to rough terrain, varying road conditions, and heavy usage. Leaf springs, made from durable materials such as tempered steel, are designed to withstand these challenges over long periods without significant degradation in performance.

    3. Off-Road Capability: Many trucks are used in off-road environments where the terrain can be rugged and unpredictable. Leaf springs provide robust suspension support that helps trucks navigate uneven surfaces, bumps, and obstacles while maintaining stability and control.

    4. Towing and Hauling: Trucks often tow trailers or haul heavy loads, placing additional stress on the suspension system. Leaf springs are chosen for their ability to handle these dynamic loads effectively, providing necessary support and minimizing sagging or instability.

    5. Cost-Effectiveness: Leaf springs are relatively economical to manufacture and maintain compared to more complex suspension systems. This cost-effectiveness makes them a practical choice for commercial trucks and fleet vehicles where reliability and operational costs are critical considerations.

    6. Customization and Adaptability: Leaf springs can be customized in terms of thickness, number of leaves, and design to suit specific truck applications and load requirements. This adaptability allows manufacturers and truck owners to optimize suspension performance based on their operational needs.

    7. Maintenance: While requiring periodic inspection and maintenance, leaf springs are generally straightforward to service compared to other suspension types. Routine checks for wear, lubrication, and potential damage help ensure optimal performance and longevity.

    In summary, leaf springs play a crucial role in truck applications by providing robust suspension support, durability, and load-carrying capacity. Their widespread use in various types of trucks highlights their effectiveness in meeting the demands of heavy-duty transportation and commercial operations.



    Leaf Spring for Truck

    Leaf Spring for Truck


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