Browse Publications Technical Papers 02-11-04-0017
2018-08-21

Investigation of Fatigue Life of Wheels in Commercial Vehicles 02-11-04-0017

This also appears in SAE International Journal of Commercial Vehicles-V127-2EJ

In India, vehicle population increases every day along with road accidents by 2.5% every year. About 7.7% of accidents are caused by wheel separation, 60% of which are due to nut-related problems. Wheel separations in vehicles occur due to fastener issues and fatigue failures in bolts. A study of the reasons for and mechanisms of nut loosening showed that left-hand side wheels detached and fracture failure occurred in right-hand side studs. Fatigue life of wheels with Nord-Lock washer and without washer is determined by using numerical analysis as per the IS 9438 cornering fatigue test. These numerical results are compared with experimental results.

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