Reducing the intensity of road transportation in the system of maintenance and repair of machines of the agricultural complex

Abstract

The impact of scientific and technological progress (STP) in repair technologies, which are used in the performance of current and capital repairs of agricultural machinery, on transport technology, and the intensity of road transportation between enterprises of agro-industrial complexes (AIC) and repair bases are analyzed in the article. Analysis of recent research and publications has shown that repair technologies, as a rule, use environmentally hazardous methods of surfacing and welding. STP in repair technologies has significantly expanded the range of methods of repair work with new short-term, environmentally friendly, energy-saving, and low-cost technologies for the restoration and strengthening of machine parts. It is shown that the new energy-saving, less expensive, and environmentally friendly technologies proposed by the authors, such as electro spark alloying (ESA), application of metal-polymer materials (MPM), and surface plastic deformation (SPD), allow redistributing the amount of repair work by transferring a significant amount of them from repair bases to agro-industrial enterprises and, thus, reduce the freight traffic of agricultural machinery. The article presents some repair technologies. Thus, the ESA method is used to repair the rotor shafts of screws and centrifugal compressors and pumps. Machine guides, pump housings, cylinder blocks, shafts, bearing seats are restored by applying MPM. Augers of machines involved in the processing and utilization of manure and centrifuges for domestic and industrial wastewater treatment, discs of tillage machines are repaired by means of combined technologies ESA + MPM.
Elements of scientific novelty include the improvement of transportation technology in the performance of works related to the repair of agricultural machinery at repair bases, due to the redistribution of its significant volume associated with the development of new, energy-saving, and environmentally friendly technologies for restoration and strengthening of machine parts on agro-industrial enterprises.