Description
Designing a suspension system for a 20-ton, tandem ,tridem and 4 axle involves specifying components that ensure safety, durability, and optimal performance. Based on the specifications provided by Jain Auto mart LLP, the following table summarizes the key components and their specifications:
| Component | Specification | Notes |
| Leaf Spring | 10-leaf, 90 mm x 16 mm, 500 mm eye-to-eye | Ensure each spring supports approximately 5 tons. |
| Hangers | Thickness: 10 mm | Front and rear hangers should be designed to accommodate the specified leaf springs. |
| Equalizers | Thickness: 14 mm | Distribute load evenly between axles; typically 14″ in length. |
| Torque Arm Pin Nuts | Thread: M30, Length: 250 mm and 195 mm | Secure torque arms; install on the kerb side (left side) of the trailer. |
| Equalizer Shaft Nuts | Thread: M70, Length: 290 mm | Secure equalizer shafts effectively. |
| U-Bolt Nuts | Thread: M24, Length: 460 mm | Firmly attach U-bolts to secure axles to the suspension system. |
| Dimensional Tolerance | ±3 mm | Maintain all dimensions within a tolerance of +/- 3 mm for precise fitting. |
Design Considerations:
- Load Distribution: Each axle should support approximately 10 tons to evenly distribute the 20-ton load.
- Suspension Geometry: Calculate hanger spacing based on the leaf spring’s eye-to-eye length, typically spacing hangers 1/2″ less than the spring’s eye-to-eye measurement.
- Component Compatibility: Ensure all components are rated for the specified loads and are compatible with each other.
- Regulatory Compliance: Adhere to local and international safety standards for trailer suspension systems.
Given the complexity and safety implications, it’s recommended to consult with suspension system experts or manufacturers to trailer the design to your specific requirements.
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