Semi Truck Leaf Spring

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

 

Leaf springs are crucial components in the suspension systems of semi-trucks, playing a vital role in supporting heavy loads and ensuring stability during transportation. Here’s a detailed look at the application of leaf springs in semi-trucks:

  1. Load Support: Semi-trucks are designed to carry substantial loads over long distances. Leaf springs provide the necessary support to distribute the weight of the truck and its cargo evenly across the axles. This helps in maintaining stability, preventing excessive sagging, and ensuring proper handling and control of the vehicle.

  2. Durability and Strength: Leaf springs are typically made from hardened or tempered steel, which gives them the strength to withstand the intense pressures and constant loading and unloading associated with trucking operations. They are designed to endure the rough conditions of highways and industrial settings without compromising performance.

  3. Configuration: Semi-trucks commonly use multi-leaf springs, which consist of several layers of spring steel stacked on top of each other and bolted together. The number and thickness of these leaves can vary depending on the truck's weight capacity and specific requirements.

  4. Suspension System: Leaf springs are a fundamental part of the semi-truck's suspension system, working in conjunction with shock absorbers, axle connections, and other components. This system helps to absorb road shocks and vibrations, providing a smoother ride for the driver and reducing wear and tear on the vehicle.

  5. Versatility: Leaf springs are versatile and can be adapted to different types of semi-truck configurations, including those used for long-haul freight, regional deliveries, or specialized applications such as tanker trucks or refrigerated transport.

  6. Cost-Effectiveness: Leaf springs offer a cost-effective solution for semi-truck suspension systems. They are relatively simple to manufacture, install, and maintain compared to more complex suspension designs, making them a practical choice for fleet operators and trucking companies looking to manage operational costs effectively.

  7. Maintenance: Regular inspection and maintenance of leaf springs are essential to ensure optimal performance and safety. This includes checking for signs of wear, corrosion, proper lubrication, and ensuring that the springs are correctly aligned and adjusted according to manufacturer specifications.

In summary, leaf springs are integral to the performance, durability, and reliability of semi-trucks. They provide essential load support, stability, and cost-effective suspension solutions that meet the demanding requirements of commercial trucking operations across various industries.

Semi Truck Leaf Spring

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:

 

The application of leaf springs in semi-trucks is fundamental to their functionality and performance in heavy-duty transportation. Here’s a detailed exploration of how leaf springs are applied in semi-trucks:

  1. Load Handling and Distribution: Leaf springs in semi-trucks serve the primary purpose of supporting and distributing the weight of the vehicle and its cargo. These springs are designed to handle significant loads, ensuring that the weight is evenly distributed across multiple axles. This distribution helps maintain stability and control, especially when carrying heavy or unevenly distributed loads over long distances.

  2. Suspension System: Leaf springs are a key component of the semi-truck’s suspension system, which includes other elements such as shock absorbers, bushings, and axle connections. Together, these components work to absorb and dampen road shocks and vibrations, providing a smoother ride for the driver and reducing the impact on the cargo.

  3. Types of Leaf Springs: Semi-trucks typically use multi-leaf springs due to their capacity to handle heavy loads effectively. Multi-leaf springs consist of several layers (or leaves) of tempered or hardened steel stacked one on top of another and held together with clamps or bolts. The number and thickness of these leaves can vary based on the truck’s weight rating and specific application.

  4. Durability and Strength: Leaf springs are known for their durability and strength, which are essential qualities for the rigorous demands of commercial trucking. They are designed to withstand constant loading and unloading, as well as the wear and tear of long-distance travel on varied road surfaces.

  5. Versatility and Customization: Leaf springs can be customized in terms of thickness, number of leaves, and design configuration to accommodate different truck models, axle configurations, and load requirements. This customization allows manufacturers and fleet operators to optimize suspension performance based on specific operational needs.

  6. Maintenance: Proper maintenance of leaf springs is crucial for ensuring optimal performance and longevity. Regular inspections should be conducted to check for signs of wear, cracks, corrosion, and proper lubrication. Any worn-out or damaged leaf springs should be promptly replaced to maintain the safety and efficiency of the semi-truck’s suspension system.

  7. Cost-Effectiveness: Leaf springs offer a cost-effective suspension solution for semi-trucks compared to more complex systems like air suspensions. They are relatively straightforward to manufacture, install, and maintain, making them a preferred choice for many trucking fleets looking to balance performance and operational costs.

In summary, leaf springs play a critical role in the overall performance, safety, and reliability of semi-trucks by providing essential load support, stability, and durability. Their robust design and ability to handle heavy loads make them indispensable components in the heavy-duty transportation industry.




Semi Truck Leaf Spring

Semi Truck Leaf Spring


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