Single-throw, epoxy resin models of five overlapped crankshafts with side-by-side connecting rods have been loaded in pure torsion or bending. Bending loads considered are those due to the radial or tangential components of the connecting rod force and those due to pure radial bending or radial bending due to journal displacement.

    After the photoelastic frozen-stress cycle, deformations and stresses in the crankpin and journal fillets were measured. The principal stresses were determined over the whole highly stressed (toroidal) fillet surfaces. At each angular position around the crankpin and journal the magnitude, meridional position and direction of the greatest principal stress were obtained. In torsion these maxima were fairly constant with angular position, whereas in bending they varied linearly, as in a simple beam in bending. The results were expressed as stress concentration factors based on nominal stresses in a bar of the same diameter as the crankpin.


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    Title :

    Stresses and deformations in overlapped diesel engine crankshafts, Part 1: Experimental results


    Contributors:
    Bickley, I (author) / D'Olier, V (author) / Fessler, H (author) / Hyde, T. H. (author) / Warrior, N. A. (author)


    Publication date :

    1998-03-01


    Size :

    18 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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    Bickley,I. / Dolier,V. / Fessler,H. et al. | Automotive engineering | 1998



    Stresses and deformations in overlapped diesel engine crankshafts

    Bickley,I. / Olivier,V. / Fessler,H. et al. | Automotive engineering | 1998



    Stresses and deformations in overlapped diesel engine crankshafts, Part 2: Evaluation of results

    Bickley, I / D'Olier, V / Fessler, H et al. | SAGE Publications | 1998