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Impact of the share inclination angle on the plough body resistance
2006
Rucins, A. | Vilde, A.
The main parameters of the plough body that determine the ploughing efficiency are the initial and the final soil trip lifting angles on the share-mouldboard surface, the angles of its horizontal generatrix, the radius of this surface, and the working width of the body. By using analytical correlations derived as a result of theoretical research, a computer algorithm has been worked out for simulating the functions of the plough body and the forces exerted by soil upon the operating parts, as well as its draft resistance. These correlations allow to determinate the forces acting on the plough body and its draft resistance depending on the share inclination angle, as well as to evaluate its impact on the ploughing efficiency: energy, and the fuel consumption, and the quality of work. By increasing the initial lifting angle epsilon, (inclination angle of share toward furrow bottom) the draft resistance increases. For economical ploughing, the initial lifting angle of the soil strip must have a minimal value, its optimum may vary 28...32 deg. The use of bodies having optimal parameters allows obtaining good ploughing quality, reduce draft resistance by 12...20% and to raise correspondingly the efficiency, to save fuel and financial resources for ploughing.
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