A hydraulic circuit has been developed that reduces the number and magnitude of significant oscillations that occur when stopping a swinging backhoe on both axial and side-shift loader backhoes. The circuit can account for a large range of inertias and speeds, which are developed by varying the location of the bucket relative to the chassis, the amount of load in the bucket, the flow rate to the swing cylinders, and the length of time that flow occurs. Circuit activation is automatic and results in improved control. Plots of pressure data demonstrate the circuit's effectiveness. A hydraulic schematic is included.


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    Title :

    Damping Swing on a Loader Backhoe


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Off-Highway & Powerplant Congress ; 2002



    Publication date :

    2002-03-19




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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