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The Evolution of Trailer Suspension Damping: A Guide to Best Practices

The Evolution of Trailer Suspension Damping: A Guide to Best Practices

The Evolution of Trailer Suspension Damping: A Guide to Best Practices

All vehicles, passenger or commercial, are designed with damping in mind when it comes to the suspension.

The primary goal of a suspension system is to carry the load from the vehicle while providing compliance between the sprung mass and the unsprung mass.

Damping devices, such as shock absorbers, are designed to add comfort and control by resisting the motion of the suspension.

Without damping forces, a vehicle would have a tendency to bounce at its natural, or resonant, frequency. But over the service life of the vehicle, most suspension damping devices result in a compromise of either ride quality or added component maintenance.

In the commercial trailer industry, managing issues like driver comfort, cargo protection, vehicle safety and government compliance can be a complicated balancing act.

Understanding the fundamentals of damping enables fleets to better manage long-term maintenance and operation costs while keeping ride quality and driver satisfaction high.

By Hendrickson

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