Abstract
Abstract
The frozen stress photoelastic technique was used to study the stresses in hollow cylinders supported on a central lug and loaded through two outer lugs, simulating the loading of a piston pin by the connecting rod and pision. The loading was arranged so that the resultant piston thrust acted through the (exaggerated) gaps between the lugs.
In addition to the surface stresses in the bore and on the outer surface of the pins, the distributions of orthogonal shear stresses on four (circular) cross-sections of one pin were determined and integrated to give the load transfer from the central lug into the pin. The orthogonal shear distribution in the gap was compared with Love's theoretical solution for the shear stresses in a thick walled tube.
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