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Case Studies, Papers & Promotions
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| Truck trailers / Motor vehicle parts and accessories
17 February 2004
 Challenge
Fontenax had to design and develop new truck bumper supports reducing drastically thecosts.
Due to weight saving reasons, all the bumper supports were initially designed in aluminium but the manufacturing costs were pretty high.
These supports are made to receive SAMRO bumpers as well as truck manufacturers bumpers: Volvo, Mercedes, and Renault VI.
Solution
Tests and analysis have been performed to pass the homologation test of bumper supports. A specific chassis is built for the test and also designed in Solid Edge and then included in the simulation. The chassis is fixed on its bottom side, then a static load, representing an impact on the trailer is applied to the bumper, the magnitude is normalised in order to bring to the structure the same strain energy as the impact brings.
Benefits
Using DesignSpace fully integrated in their 3-D CAD product they have been able to figure out a new support in structural steel presenting an equivalent structural behaviour as the aluminium one and having a similar weight. And the manufacturing costs, including the material costs, are two times cheaper than the original solution!
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