COMPUTER VARIANT GEOMETRIC MODELING OF DOUBLE-DISC COULTERS USING STRUCTURAL-PARAMETRIC SHAPING

At the current rather difficult stage of development of our state, which is associated with the war that has been going on for almost three years, agriculture is an important branch of the Ukrainian economy. Therefore, increasing its efficiency is a pressing scientific and industrial problem. One of the directions for solving it is the further improvement of soil-cultivating disc implements. The advantage of the latter over others is lower energy costs for carrying out various agricultural processes. They also ensure better preservation of the beneficial properties of the soil and are more compliant with existing environmental requirements. The purpose of this publication is to highlight the proposed approach to computer variant geometric modeling of double-disc openers based on the methodology of structural-parametric shaping. The basic theoretical foundations of these tools were developed by the scientific school of applied geometry of the National Technical University of Ukraine «Kyiv Polytechnic Institute» and implemented into the domestic aviation industry and other spheres of life. The conducted research shows that the developed methods and techniques of automated modeling are suitable for their productive use in agriculture, in particular for the design of double-disc openers. This means a comprehensive consideration of the design and operational requirements for the specified tools. For example, this concerns the determination of rational angles for installing discs in a horizontal plane relative to the direction of their movement, deviations from the vertical, as well as the additional positioning control considered. The criterion for the successful solution of these issues is the required nature of the furrow profile for different depths of soil cultivation. The obtained results are illustrated by constructed conceptual computer solid-state geometric models of double-disc openers and corresponding analytical graphs. It is emphasized that the presented approach requires further generalization and elaboration. This may be the subject of further relevant scientific research.