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Analysis of Tapered Roller Bearing Type Hub Separations in Motor Vehicle Crashes
Technical Paper
2007-01-0734
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
As part of determining the circumstances of a crash, sometimes components or component assemblies are evaluated to identify if they were damaged as a result of the crash or if they lost function prior to the crash. What role the loss of function may have contributed to the crash is useful in determining if they lost function prior to the crash. The causes and conditions for a brake rotor hub separation from the spindle of a vehicle with tapered roller bearing designs are analyzed through both component level testing and full vehicle testing. Laboratory tests were performed on component assemblies where loads were applied to the wheel assembly and the residual damage to the components was documented. In addition, full vehicle testing was conducted to evaluate the effects of a hub and rotor separation on vehicle control and to document evidence on the components. Real world case studies of hub and rotor separations are presented. The vehicle and scene evidence is evaluated and compared to the controlled test results.
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Citation
Pascarella, R., Linovitz, S., and Durisek, N., "Analysis of Tapered Roller Bearing Type Hub Separations in Motor Vehicle Crashes," SAE Technical Paper 2007-01-0734, 2007, https://doi.org/10.4271/2007-01-0734.Also In
SAE 2007 Transactions Journal of Passenger Cars: Mechanical Systems
Number: V116-6; Published: 2008-08-15
Number: V116-6; Published: 2008-08-15
References
- Treat, J.R. et al. “Tri-Level Study of Causes of Traffic Accidents; Final Report Volume 1, Causal Factor Tabulations and Assessments,” May 1979
- National Transportation Safety Board Special Investigation Medium/Heavy Truck Wheel Separations
- Hagelthorn, G.A. “Principle Modes of Failur Causing Lost Wheels from Tractor/Trailer Combination Vehicles,” SAE Paper No. 922446
- Rucoba, R. Carr, L. Liebbe, R “Analysis of Axle Shaft Failures for Use in Crash Reconstruction,” SAE Paper No. 2005-01-1193