Crash Absorber > Tram
More rail traffic safety
The ZF Crash Absorber for Tram
Reversible and irreversible function of the ZF crash absorber
Crash Absorber and ZF Damper Technology for Rail Vehicles
Key Facts
What can Crash Absorber > Tram provide?
The modern system which complies with the standards is based on hydrodynamic impact absorbers mounted on the vehicle’s front end which absorb impact forces reversibly or irreversibly depending on the force of the collision.
Details
Technical Information
The hydrodynamic impact absorbers located at the front end of the vehicle form the heart of the ZF Crash System. They comprise an outer and inner tube, which move into each other in the event of a collision. The special feature: The dampers have two function ranges for different collision intensities. As a result, the energies arising from even the smallest collision are reliably absorbed.
Reversible Function
In the event of slight collisions (low impact speeds), such as those that may occur during parking or maneuvering, the impact energy is absorbed and not transferred to the vehicle. The impact absorber absorbs them without damage and after a short period returns to its original position as a result of the prevailing internal pressure.
In the event of slight collisions (low impact speeds), such as those that may occur during parking or maneuvering, the impact energy is absorbed and not transferred to the vehicle. The impact absorber absorbs them without damage and after a short period returns to its original position as a result of the prevailing internal pressure.
Irreversible Function
At higher impact speeds, the increased energy is absorbed by plastic deformation at the crash absorber housing. In many cases, this can protect the vehicle structure. In addition to low repair costs, the simple and fast replacement of the crash absorbers also increases vehicle availability.
At higher impact speeds, the increased energy is absorbed by plastic deformation at the crash absorber housing. In many cases, this can protect the vehicle structure. In addition to low repair costs, the simple and fast replacement of the crash absorbers also increases vehicle availability.
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