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Abstract
This paper clarifies the influence of oil film pressure reactive forces on the bending stress concentrations in the crankshaft. The analysis consists of three main steps. First, the severest engine operating conditions affecting oil film formation and crankshaft bending are experimentally and theoretically determined to provide the boundary conditions for use in structural analysis of the crankshaft. Second, a one-fourth scale crankshaft solid model is produced using the finite element method. Finally, the oil film pressure distribution acting as a load set is applied to the crankpin journal surface. The spring coefficient distribution induced from the oil film acting as a restraint set is located on the main journal surface. Results confirm that this method is applicable to static structural analysis of crankshaft bending based on the oil film pressure distribution surrounding the sliding bearings.
Presented at the 44th Annual Meeting in Atlanta, Georgia May 1–4, 1989
Notes
Presented at the 44th Annual Meeting in Atlanta, Georgia May 1–4, 1989