Axial vibration of high-speed automotive engine crankshaft
by G.Q. Shu, X.Y. Liang, X.C. Lu
International Journal of Vehicle Design (IJVD), Vol. 45, No. 4, 2007

Abstract: The properties and calculation methods of axial vibration of high-speed automotive engine crankshafts are studied in this paper. First, the two main excitations that induce axial vibrations are analysed. Then a simplified model and the calculation method and analytical procedures are deduced by the application to the crankshaft of an online six-cylinder diesel engine. At last the axial vibration is measured at the front end of the crankshaft using a newly designed torsional/axial/bending 3-D vibration-testing device to verify the modelling and the results of the theoretical calculations. It was observed that the analytical results were very close to the actual measurements.

Online publication date: Fri, 17-Aug-2007

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