Theoretical and experimental determinations of load and deflection at the spigot bearing position were performed on a straddle-mounted (3-bearing) differential pinion shaft in a complete truck differential and carrier assembly. Two theoretical calculation methods are used; namely, a widely used approximate method that considers the shaft to be supported by two bearings and a digital computer method that treats the shaft as a statically indeterminate structure. Loads on the spigot bearing were measured using the Contact Pattern Analysis technique, while deflections were measured with strain gage displacement transducers, all under a statically applied input torque. Comparison of theoretical and experimental results show that the actual loads are more consistent with a 3-bearing statically indeterminate system calculation than with a simplified 2-bearing theoretical approach. Further refinement of the elastic model of the bearings is suggested to provide even closer agreement.


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    Title :

    Deflection Characteristics of a Statically Loaded Multiple-Bearing Differential Pinion Shaft


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    23rd Annual Earthmoving Industry Conference ; 1972



    Publication date :

    1972-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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