Abstract
The interaction of resiliently fixed tillage tools and obstacles is investigated using computer applications that simulate the dynamics of motion of 3D models, created in CAD. The design of a virtual bench and a dynamometer block, implemented in CAD SolidWorks and an application for modeling the movement dynamics SolidWorks Motion, is described. The virtual stand allows you to simultaneously record all components of the traction resistance vector (RX, RY, RZ). With the help of a virtual stand, the volumetric force characteristics of the process of overcoming a stump by a section of a modular tillage unit were measured. Four types of tillage tools were investigated: plowing disk; cultivating disk; sweep tool; subsoiling tool. In experiments, a 20 cm stump was overcome. Conditional processing depths for tillage tools were set depending on their technological purpose. Two types of interaction were investigated: frontal and maximum lateral displacement. The greatest loads during frontal overcoming of obstacles were experienced by a plow disc tillage tool. At maximum lateral displacement, the subsoiling tool was the most loaded. The results of the experiment showed that all the investigated tillage tools are able to overcome the stump with the parameters used.
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