Evolution in the Design of Working Tools for Tillage Machines

This paper presents a systematic, multidimensional analysis of the historical and engineering evolution in the design of working tools for tillage machines, covering the period from the origins of agriculture to contemporary high-tech solutions. (Research purpose) The study identifies developmental patterns in design approaches, tracing the transition from artisanal production of basic agricultural implements, based on empirical knowledge, to the emergence of scientifically grounded methods of calculation and design, built on the advances in mechanics, materials science, and agrophysics. (Materials and methods) The research demonstrates that the introduction of new materials with improved performance characteristics, combined with the shift toward engineering calculations and virtual modeling (CAD/CAE/CAM), laid the foundation for the transition from universal to adaptive and smart design solutions. (Results and discussion) The study highlights the role of digitalization in improving the reliability, energy efficiency, and environmental sustainability of modern tillage machine components. It identifies key differences between the Soviet engineering school and international design methodologies. The paper underscores the contribution of scientific schools and research institutes to the development of soil-cutting theory and draft resistance calculations. Progress in the hardening of working tools is illustrated through the use of thermal and vibrational treatments, surfacing techniques, and coatings based on hard alloys. These technologies are presented not as isolated processes, but as integral components of the broader evolution in engineering design. Contemporary design trends are examined, including the application of digital twin technology, parametric geometry, precision agriculture technologies, and artificial intelligence. The study also addresses issues related to environmental sustainability, climate-adaptive engineering solutions, and sustainable agricultural practices. (Conclusions) The study concludes that an interdisciplinary approach is essential for the effective design of tillage implements, integrating agronomy, mechanical engineering, materials science, and digital technologies.

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