Author(s)

C. J. Hoff, R. E. Dippery & J. Knapp

Abstract

Stress evaluation of a bicycle crank arm connection using BEM C. J. Hoff, R. E. Dippery & 3. Knapp Department of Mechanical Engineering Kettering University, USA Abstract An interesting problem encountered in teaching mechanics of solids and design of mechanical components is the determination of the stresses in the connection between two components such as a bicycle spindle and crank arm. The problem generally posed to students in class is to determine the maximum stresses at the base of the crank arm. In the real-world of design, the stresses developed at the connection of the spindle and crank arm are of major interest. A question arises as to how to determine the stress concentration in the crank arm due to the presence of an interference fit with the spindle. This paper discusses how the BEM was used to evaluate such a situation, with the results compared to classical methods. Introduction The impetus for this paper was an example problem used in a Machine Component Design course, to re

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