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Automotive Suspension Bumpers - A Correlation of Parameters Affecting Impact Response and a Technique for Achieving Effective Design
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Mid-Year Meeting
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English
Abstract
Using laboratory test equipment, the impact performance of suspension bumpers has been studied as a function of bumper geometry, hardness, and composition at impact severities typically encountered in automobile suspension systems. The data can be useful in designing bumpers for minimum impact force transmission, soft entry, low rebound, deflection control, and other desired performance criteria.
The impact force, deflection, and entry characteristics are shown to be related primarily to the shape and hardness of the bumper, while rebound is found to be predominantly influenced by the choice of elastomer. Graphical technique; have been developed to facilitate the determination of optimum bumper designs to satisfy space limitations and performance requirements. Typical design situations are discussed.
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Citation
Kruse, D. and Edwards, R., "Automotive Suspension Bumpers - A Correlation of Parameters Affecting Impact Response and a Technique for Achieving Effective Design," SAE Technical Paper 680471, 1968, https://doi.org/10.4271/680471.Also In
References
- Puydak R. C. Auda R. S. “A Design Approach for Achieving Optimum Dynamic Properties in Elastomeric Cab and Body Mounts.” SAE Transactions 75 1967 paper 660439
- Kruse D. F. “The effect of Design Variables on the Impact Performance of Automotive Suspension Bumpers.” Enjay Polymer Laboratories Report EPL-6704 3605 July 1967
- Auda R. S. Cardillo R. M. “The Importance of Dynamic Testing of Elastomers.” SAE special publication SP-260 July 1965
- Goldshine A. D. Kruse D. F. “A Device for Measuring the Behavior of Elastomeric Bumpers During Impact.” Paper 16.18-1-66 21st Annual Conference of Instrument Society of America New York October 1966