Torsion axles work through a unique twisting motion that uses internal rubber components to provide suspension and shock absorption. Unlike traditional systems, these axles feature a sturdy square outer tube that houses multiple rubber cords or inserts. An inner bar is connected to spindle arms that support the wheels.
When the trailer encounters bumps or carries weight, the following mechanics occur:
- Torque Application: As the trailer bears a load or hits a road shock, the inner bar twists inside the square tube.
- Compression: This twisting motion compresses the surrounding rubber cords, which dissipate energy and cushion the impact.
- Progressive Resistance: The rubber provides progressive stiffening as the load increases, allowing the system to adapt to heavier weights without metal-to-metal contact.
- Independent Movement: Because each wheel is attached to its own set of rubber cords, they move independently. This prevents vibration transfer to the trailer frame, reduces sway, and ensures smoother travel even on uneven terrain.
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