Browse Publications Technical Papers 2002-01-1357

Damping Swing on a Loader Backhoe 2002-01-1357

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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