A lumped parameter model consisting of a spring and coulomb friction is developed to simulate soil cutting by a plow blade vibrating horizontally. The spring represents blade and soil elasticity; the coulomb friction represents soil strength. Predicted instantaneous and average forces agree favorably with those obtained experimentally for a sinusoidally vibrating blade in a compacted silty sand.Results indicate that, for a given cutting speed, average force can be reduced by increasing frequency, displacement amplitude, and/or system stiffness. For practical design values of these parameters, the force can be reduced to 25% of the nonvibrating cutting force. Further reductions can be achieved only by large increases in the parameters.


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    Title :

    A Model of Vibratory Soil Cutting


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Farm, Construction and Industrial Machinery Meeting ; 1967



    Publication date :

    1967-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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