VORONEZH SCIENTIFIC AND TECHNICAL
Technology and equipment for mechanical and physical-technical processing
Zhachkin, S.Yu. Modeling the propagation of elastic waves in a three-component medium during the formation
composite coating by plasma spraying / S. Yu. Zhachkin, N. A. Penkov, L. A. Kukarskikh, G. I. Trifonov //
Voronezh Scientific and Technical Bulletin. - 2021. - V. 2, No. 2 (36). - P. 3-9. Access mode : http://vestnikvglta.ru/arhiv/2021/2-2-36-2021/3-9.pdf - Head. from the screen. – DOI: 10.34220/2311-8873-2022-3-9.
Annotation. In a three-component medium, when it is deformed, elastic waves propagate in the longitudinal direction on the wave surface. In this work, we studied the behavior of elastic waves, their influence on the quality of the propagation medium during the formation of composite coatings during plasma spraying. A block diagram has been compiled for creating a software product that facilitates theoretical studies of wave processes in a three-component medium.
Keywords: ELASTIC WAVES, THREE-COMPONENT MEDIUM, PLASMA SPRAYING, COATING, MEDIUM POROSITY.
Kadyrmetov, A. M. Properties of plasma coatings sprayed in the arc power modulation mode / A. M.
Kadyrmetov, E. V. Snyatkov, A. A. Plakhotin, I. A. Mandrykin // Voronezh Scientific and Technical Bulletin. – 2021.
- V. 2, No. 2 (36). - P. 10-16. Access mode: http://vestnikvglta.ru/arhiv/2021/2-2-36-2021/10-16.pdf - Head. from the screen. – DOI: 10.34220/2311-8873-2022-10-16.
Annotation. The paper shows that by means of plasma arc modulation, as well as the use of an air-gas mixture (air with propane butane), it is possible to significantly increase the bond strength of the coating with the substrate, the powder utilization ratio, reduce gas permeability and increase the wear resistance of plasma powder coatings.
Keywords: PLASMA SPRAYING, BIPOLAR MODULATION, STRENGTH OF COATING AND BASE COUPLING, GAS PERMEABILITY, PROPERTIES.
Popov, D. A., Snyatkov, E. V., Plakhotin, A. A., and I. A. Popov, E. V. Snyatkov, A. A. Plakhotin, and I. A.
Mandrykin, P. N. Popov // Voronezh Scientific and Technical Bulletin. - 2021. - V. 2, No. 2 (36). - S. 17-26. Access mode: http://vestnikvglta.ru/arhiv/2021/2-2-36-2021/17-26.pdf - Head. from the screen. – DOI: 10.34220/2311-8873-2022-17-26.
Annotation. The article presents the results of studies of the effect of multiple plasma jet reflow of a multicomponent FeCoCrAlTiCuNiMo coating obtained by plasma metallization in an open atmosphere on its wear resistance in dry sliding friction. The research results indirectly confirm the influence of the entropy of the coating on the increase in its wear resistance with an increase in the number of reflows.
Keywords: PLASMA SPRAYING, PLASMA CURRENT MODULATION, MULTI-COMPONENT COATING, FLUSHING, WEAR.
Ivannikov, V. A. Improving the strength characteristics of crankshaft journals by plasma spraying with subsequent plastic deformation / V. A. Ivannikov, V. N. Bukhtoyarov, A. V. Chupakhin, S. N.
Krukhmalev // Voronezh Scientific and Technical Bulletin. - 2021. - V. 2, No. 2 (36). - S. 27-34. Access mode: http://vestnikvglta.ru/arhiv/2021/2-2-36-2021/27-34.pdf - Head. from the screen. – DOI: 10.34220/2311-8873-2022-27-34.
Annotation. Existing methods for improving the strength characteristics of parts do not always provide the necessary characteristics of working surfaces. And as a result, the durability of parts falls, and subsequently it is required to carry out expensive repairs of the unit or unit. The article considers a method of hardening surfaces, which can be applied to parts operating under alternating loads, in particular crankshafts. The use of plastic deformation of plasma coatings makes it possible to improve the main strength characteristics of the surface. The work can be useful for workers of auto repair production, car services and motor transport enterprises.
Keywords: PLASMA SPRAYING, CRANKSHAFT, PLASTIC DEFORMATION, COATING QUALITY.
Kuzovkin, A. V. Design, manufacture and application of a combined tool for the formation of curved surfaces / A. V. Kuzovkin, A. P. Suvorov, Yu. S. Zolototrubova // Voronezh Scientific and Technical Bulletin. - 2021. - V. 2, No. 2 (36). - S. 35-41. Access mode: http://vestnikvglta.ru/arhiv/2021/2-236-2021/35-41.pdf - Head. from the screen. – DOI: 10.34220/2311-8873-2022-35-41.
Annotation. The problem of processing high-strength materials by electroerosive machining is considered. problems in the design and manufacture of an electrode-tool for direct and reverse copying can be found based on the use of modern digital prototyping technologies.
Keywords: ELECTROPHYSICOCHEMICAL PROCESSING, COMPLEX PROFILE SURFACE, COMBINED TOOL, DESIGN, MANUFACTURING.
Operation of road transport
Latynin, A. V. Features of using the method of thermalth diagnostics of hydrostatic transmission of logging machines / A. V. Latynin, A. N. Shvyrev, I. Yu. Kondratenko, I. S. Andreishcheva // Voronezh Scientific and Technical Bulletin. - 2021. - V. 2, No. 2 (36). - S. 42-49. Access mode: http://vestnikvglta.ru/arhiv/2021/2-2-36-2021/42-49.pdf - Head. from the screen. – DOI: 10.34220/2311-8873-2022-42-49.
Annotation. The extraction of timber in the territory of the Russian Federation is carried out mainly by logging technical complexes, made on the basis of machines with a hydraulic drive. In turn, of the currently known types of hydrodynamic transmission, the most advanced is the hydrostatic transmission. Despite the exceptional reliability of such equipment, hydrodynamic transmission, including hydrostatic transmission, has a large number of failures. The main hydrostatic transmission failures include malfunctions of the wheel drive hydraulic motor. Therefore, the purpose of this study is to use the method of thermal diagnostics to reduce the number of failures in hydrodynamic transmission, including hydrostatic transmission.
Keywords: HYDROSTATIC TRANSMISSION, THERMAL DIAGNOSTICS, DEFECT, WEAR, TEMPERATURE, TRANSMISSION LOW, RELIABILITY
Ivannikov, V. A., Nikulin M. A., Samoilenkov S. S. Determination and provision of the optimal thermal profile of transmission units of wheeled vehicles during operation at low temperatures // Voronezh Scientific and Technical Bulletin. - 2021. - V. 2, No. 2 (36). - S. 50-57. Access mode :
http://vestnikvglta.ru/arhiv/2021/2-2-36-2021/50-57.pdf - Head. from the screen. – DOI: 10.34220/2311-8873-2022-50-57.
Annotation. The article considers materials on the optimization of the temperature regime of transmission units of wheeled vehicles during operation at low temperatures. In preparing this review, publications in Russian published between 2000 and 2021 were used. The analysis of materials concerning the determination of the optimal temperature regime of the transmission units of machines has been carried out, integrated heat supply systems have been considered. Directions for further development of the issue of determining and ensuring the optimal thermal profile of transmission units and assemblies of wheeled vehicles are proposed.
Keywords: TRANSMISSION UNITS, WINTER CONDITIONS, OPERATING TEMPERATURE CONDITIONS, POWER LOSS, OPTIMAL THERMAL CONDITION, THERMOREGULATION.
Popov, D. A., Simakin, I. A., Agarkov, S. D., Goryachev, N. A. Technical problems in the conversion of vehicles to natural gas fuel and ways to solve them, Voronezh Scientific and Technical Bulletin. - 2021. - V. 2, No. 2 (36). - S. 58-64. Access mode: http://vestnikvglta.ru/arhiv/2021/2-2-36-2021/58-64.pdf - Head. from the screen. – DOI: 10.34220/2311-8873-2022-58-64.
Annotation. The article provides an analysis of the technical experience of operating gas-engine engines, in particular, cars of the GAZ family with a ZMZ engine when they are transferred to a dual-fuel gas-gasoline power supply system. The main technical challenges faced by car owners, maintenance and repair services are noted. Possible ways of their solution are proposed.
Keywords: GAS ENGINES, VALVE RESOURCE, METASTABLE ALLOY
Zelikov, V. A. Methods for optimizing the processes of road transport taking into account innovative technologies / V. A. Zelikov, D. K. Blagonravov, M. N. Kazachek // Voronezh Scientific and Technical Bulletin. - 2021. - V. 2, No. 2 (36). - S. 65-70. Access mode: http://vestnikvglta.ru/arhiv/2021/2-2-36-2021/65-70.pdf - Head. from the screen. – DOI: 10.34220/2311-8873-2022-65-70.
Annotation. In this rapidly changing world, the need for a product is growing day by day. Accordingly, transport plays an important role in society. The profits and wealth of companies that transport goods from one corner of the country to another are determined by transport. In an increasingly competitive environment in the transport sector, participating companies must adopt new existing technologies and significantly improve the quality of their services in order to stay in business. The purpose of this research work is to study modern methods for optimizing road transport processes, taking into account innovative technologies.
Keywords: PROCESS OPTIMIZATION, INNOVATION, IMPORT, TECHNOLOGY, LOGISTICS, TRANSPORT.
Khripchenko, M. S. Modeling the process of regulating the operating thermal regime of power plants / M. S. Khripchenko, D. A. Popov, A. V. Goncharov, M. S. Vasilenko // Voronezh Scientific and Technical Bulletin. - 2021. - T.
2, no. 2 (36). - S. 71-79. Access mode: http://vestnikvglta.ru/arhiv/2021/2-2-36-2021/71-79.pdf - Head. from the screen. – DOI: 10.34220/2311-8873-2022-71-79.
Annotation. An improved technique for thermal and aerodynamic calculation of elements of power plant cooling systems is presented. The dependences of the time to reach the optimal thermal regime of the power plant with rigid and controlled cooling systems are given.
Keywords: ADJUSTABLE HEAT MAINTENANCE SYSTEM, THERMAL CALCULATION, AERODYNAMIC