Abstract
The propeller shaft transmits drive from the gearbox output to the final drive in the rear axle. The objective of this paper is to perform the analysis of the propeller shaft of a typical SUV (suburban/sport utility vehicle) under static and fatigue loading. A hollow steel tube is used for the propeller shaft. It is lightweight but will still transfer considerable torque and resist to bending forces. The modeling of the propeller shaft is done in CATIA V5R20 while the finite element analysis is carried out in ANSYS 15.0 software package. The von-Mises stress and shear stress are within the allowable limit. The obtained value of the 1st mode frequency is higher than the excitation frequency corresponding to engine maximum torque. This ensures the avoidance of resonance. The fatigue life is obtained as 1.6938e+05 cycles, using the modified Goodman relation for pulsating torsion.
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