Crash Box Research Paper

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The crash box is the car component that is attached at each end of a car’s bumper and its function is to absorb the energy produced during collision or impact. Chapter 1 describes briefly on crash boxes and their characteristics. As mentioned earlier in Chapter 1, crash boxes are designed with or without patterns. Each one of the designs have different energy absorbing characteristic depending on the design and its patterns, shape, size, etc.
Most crash boxes are designed with several grooves called “crash beads”. The beads are designed to be perpendicular to the frontal or rear crash direction. The beads undergo buckling deformation and make the crash box compress like an accordion, absorbing the energy of impact. The larger the number of plastic buckling is, the more crash energy is absorbed but the less durable the beads become. Thus, conventional crash boxes have the upper limit in the number of beads [2]. …show more content…
The new and innovative crash box has horizontal grooves in the direction of a frontal or rear collision, which enable the formation of finely detailed wrinkles and absorption of more impact energy than the conventional crash box. This technology can produce a crash box that can absorb more than twice the impact energy of the conventional crash box while reducing 30% of its weight and 20% less in manufacturing

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