MODELING OF A DUPLEX MILLER AND CONDITIONS OF FORMATION OF TREATMENT OF WHEEL PAIRS OF MAIN ELECTRIC CARDS, DUAL CARS, ELECTRO SECTIONS
AbstractThe subject matter of the research in the article is the process of restoring the quality and accuracy of the working surface of the wheelsets of the main electric locomotives, electric sections. The purpose of the work is to develop a modeling method for a special shaped cutter with increased productivity, designed to process the profile of locomotive railway wheels taking into account the shaping processes, which is based on the theory of modeling the high-speed milling process through the shaping efficiency coefficient. The article solves the following tasks: substantiation of the importance of upgrading the most promising designs of "duplex" mills, taking into account the reduction of vibrations due to chip crushing, to increase tool wear resistance, machining accuracy, reduce tool readjustment time and, accordingly, reduce equipment downtime, increase processing productivity, determine the mathematical apparatus for calculating model parameters; development of a method for modeling and optimization of shaping processes in the processing of locomotive wheel sets. Such methods were used: fundamentals of system analysis, simulation method. The following results were obtained: the design of a "duplex" milling cutter with a predicted increase in resistance and increase in processing productivity due to modeling of forming processes with a decrease in the sliding angle by three to five times, which was not previously taken into account when designating and selecting cutting parameters, is provided. It is concluded that the model design of the cutter, taking into account "duplex" and the tribological process of modeling shaping during processing, can increase the resistance of the cutters and ensure the full operation of all cups of the cutter. The forming component of the cutting conditions was evaluated taking into account the coefficient of efficiency of the process of forming the surface layer of the machined wheel. The conclusion was made about the need to create new processes of shaping the design and modernization of tools. Various ways of modeling tool systems are considered. A method for creating a "duplex" cutter model is defined. A "duplex" mill is considered and design features of the algorithm for creating such tools are given. The functioning of the shaping parameters during the processing of locomotive wheelsets is formalized in the form of separate mathematical models and formulas, on the basis of which a method for modeling the process of increasing productivity and increasing the resistance of mills is described. Findings: Thus, a new method was created for modeling the process of shaping when machining wheel sets of locomotives with a "duplex" cutter with minimizing the cost of operating the tool and reducing the sliding angle on the arc of cutting the cutter cup with an increase in the quality and accuracy of processing, which makes it possible to significantly reduce the cost of preparing the production and increase processing efficiency.
Shapovalov, V. F., Lishaev, G. P., Anastasov, S. A. et al. (1995), Pat. 25406A В23 С 5/00, Ukraine, Combined shaped milling cutter, 12/23/93; publ. 05/29/95, Bull. No. 21, 5 p.
Belovol, A. V., Klochko, A. A., Naboka, E. V., Skorkin, A. O., Silk. A. N. (2016), Simulation modeling in the problems of engineering production in 2 volumes, Vol. 1: textbook. allowance, Kharkiv : NTU "KhPI", 400 p. ISBN 978-966-593-749-4
Fadeev, V. A., Silkova, O. N., Hitsan, V. D., Klochko, A. A. (2015), "Integration technological preparation of an industrial enterprise PLM – decision", News of NTU "KhPI". Seriya: Technologies in machine-assisted suction, No. 4 (1113), P. 4–10.
Shelkovoy, A., Klochko, A., Naboka, E. (2015), Simulation in the problems of mechanical assembly production, Saarbrücken, Germany : LAP LAMBERT Academic Publishing, 528 p.
Timofeev, Yu. V., Klochko, A. A., Shapovalov, V. F. (2010), "Technology of gear hobbing of hardened large-modular wheels with special worm milling cutters with minimizing parameters of the main cutting edges", Scientific notes: mizhvuz. zb., Lutsk, Vol. 29, P. 209–216.
Stepanov, M. S., Klochko, A. A., Kravtsov, A. N. (2015), "Multicriteria regulation of the parameters of the surface layer of parts", Physical and computer technology. Proceedings of the 21st International Scientific and Practical Conference. December 24–25, 2015, Kharkov, D. : Lira, P. 68–76.
Timofeev, Yu. V., Klochko, A. A., Shapovalov, V. F. (2011), "New technology for high-speed machining of hardened large-modular gears with special disk cutters", News of SevNTU. Series "Mashinopriladobuduvannya that transport", Sevastopol, Vol. 118, P. 139–144.
Mironenko, E. V., Shapovalov, V. F., Klochko, A. A., Broadsword, S. Yu., Ostapovich, E. V. (2015), "Design and technological methods for increasing productivity and quality of gear processing of large gears", News of NTU "KhPI". Seriya: Technologies in machine-assisted suction, No. 4 (1113), P. 28–32.
Ravskaya, N. S., Ohrіmenko, O. A., Melnichuk, P. P., Nicola, T. P. (2013), The basics of shaping on top with mechanical testing, Navalny postnik with the stamp of the Ministry of Education and Science of Ukraine (No. 1 / 11-5203, March 12, 2013), Kyiv : SKD-Druk.
Joseph Stokes (2008), The Theory and Application of the HVOF Thermal Spray Process, Dublin City University. 206 p.
Shapovalov, V. F., Permyakov, A. A., Klochko, A. A., Lyshenko, A. N. (2017), "High-speed hobbing of hardened gears", Vazhke machine blowing. Problems and prospects for development: materials of the fifteenth Mizhnar. science. conf., Kramatorsk : DDMA, P. 96.
Sudhansu Ranjan Das, Amaresh Kumar, Debabrata Dhupal (2013), "Effect of Machining Parameters on Surface Roughness in Machining of Hardened AISI 4340 Steel Using Coated Carbide Inserts", International Journal of Innovation and Applied Studies, Vol. 2, No. 4, P. 445–453.
Kane, M. M., Suslov, A. G., Gorlenko, O. A. et al. (2010), Quality management of engineering products, Moscow : Mechanical Engineering, 416 p.
Johny Shaida Shaik, K.Rajasekhara Babu (2012), "Prediction of surface roughness in hard turning by using fuzzy logic", International Journal of Emerging Trends in Engineering and Development, Issue 2, Vol. 5, P. 38–49.
Shelkova, A. N., Permyakov, A. A., Klochko, A. A., Antsyferova, O. A., Shapovalov, V. F. (2017), "Technological possibilities of gear processing of high-precision large-sized gears", Complex safety management of technological processes of systems (KZYATPS - 2017): materials of additional technologies of the VІІ international scientific-practical conference, Chernigiv : ChNTU, Vol. 1, P. 163–164.
Klochko, A., Shelkovoy, A., Shapovalov, V., Belovol, A., Antsyferova, O. (2017), “Technology of repair and restoration of large-modular golden gear wheels by high-speed wood processing”, Innovative Technologies and Scientific Solutions for Industries, No. 2 (2), P. 38–47. DOI: https://doi.org/10.30837/2522-9818.2017.2.038.
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