Abstract
The variety of soil and climatic conditions, field topography, precipitation, soil type and vegetation cover of various zones of Russia indicates the need to choose the technology and complex of machines for cultivating crops in accordance with the conditions of the farming zone. At the same time, one of the main factors for obtaining high yields of high-quality grain is the method of cultivated crops sowing and the type of coulter used. Depending on the sown area of the farm, the sowing of various crops seeds is carried out by tractors of the 1,4-8 traction class, which requires the development of sowing machines with different capture widths, row spacing and depth of seed embedding in the soil. In this regard, there is a need to develop a design scheme and substantiate the parameters of the sowing machine and its nodes, made of the same type of modules with different working widths, made up into a sectional frame and equipped with a universal sowing section with replaceable anchor, disk, keel, T-shaped and spear coulters for sowing crops cultivated using various technologies. At the same time, the sowing machine should have a low metal consumption, minimal traction resistance and maximum productivity, meeting the agrotechnical requirements for various crops sowing.
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