Affiliation:
1. University of Nottingham Department of Mechanical Engineering
Abstract
The extensive results presented in Part 1 (in the previous issue*) have been supplemented and analysed further. A large number of cross-sections which could be reasonably used to calculate nominal stresses has been listed and evaluated. An inclined (flat, rectangular) section through the web is shown to be the best to calculate nominal stresses due to torsion, pure radial bending and bending due to crankpin forces; its width is h (see Fig. 1), the length of the shortest line joining crankpin and journal fillets in the plane of symmetry. Stress concentration factors based on these nominal stresses show only modest scatter from single curves for crankpin and journal fillets for torsion and radial bending. Predictions using the most commonly used method underestimate shear stresses due to torsion and overestimate bending stresses.
Subject
Mechanical Engineering,Aerospace Engineering
Cited by
4 articles.
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1. The Crankshaft Strength Checking Simulation Based on ANSYS;Applied Mechanics and Materials;2015-03
2. The design of overlapped crankshafts. Part 2: Web shape;Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering;2002-08-01
3. The design of overlapped crankshafts Part 1: Crankpin fillets;Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering;2001-04-01
4. The effect of regrinding bearing surfaces on stresses in overlapped crankshafts;The Journal of Strain Analysis for Engineering Design;1998-05-01