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A new jounce bumper design

Published: 4 February 2013 - Rachael Morling

Working with a team from Ossberger, DuPont capitalized on the flexibility of its Hytrel thermoplastic elastomer and Ossberger blow-moulding technology to simplify an automotive jounce bumper component from four pieces that require subassembly to a single piece. 

The Hytrel jounce bumpers – part of a vehicle’s shock-absorber system designed to absorb impact and dampen noise, vibration and harshness (NVH) – have been tested by automakers on a variety of vehicles over tens of thousands of kilometres and are said to bring higher comfort and steering feedback, together with better road handling compared to PU (polyurethane) parts. Wheel rebound is also reduced with higher attenuation of low impacts. The front axis roll angle is also reduced.

DuPont

www.dupont.com



 
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