Tractor plough designing with specified tillage quality

The required quality of the soil layer crumbling can be obtained by providing a certain movement of soil along the plough-bottom surface. The paper presents a technique for constructing a mathematical pattern for optimal soil movement, characterized by a smooth transition from the straight plane of the mouldboard to the curved surface of the plough-share. A distinctive feature of the experimental mouldboard sample is its capability to regulate three angles of the plough-bottom surface: the angle of the ploughshare position to the furrow bottom, the angle of the ploughshare position to the furrow wall and the angle of the plough-bottom surface bending.

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