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A Model of Vibratory Soil Cutting
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English
Abstract
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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Authors
Citation
Boyd, R. and Nalezny, C., "A Model of Vibratory Soil Cutting," SAE Technical Paper 670750, 1967, https://doi.org/10.4271/670750.Also In
References
- Gunn T. Tramontini V. N. “Oscillation of Tillage Implements.” Agricultural Engineering 36 11 November 1955 725 728
- Dubrovskii A. A. “The Influence of Vibrating the Tools of Cultivation Implements upon Draught Resistance.” Sbornik Trudy Zemled Mekhaniz Lenin Akademii Selkhoz Nauk. 3 1956 214 240
- Eggenmuller A. “Grubber mit Schwingenden Werk-zeugen.” Grundlg. d. Landtechn. 11 1959 81 84
- Hendrick J. G. Buchele W. F. “Tillage Energy of a Vibrating Tillage Tool.” Transactions of the ASCE 6 3 1963 213 216
- Loewen E. G. Cook N. H. “Metal Cutting Measurements and Their Interpretation.” Proc. SESA 13 2 57 62