Abstract
The operation of the executive bodies of soil and soil-cultivating equipment (for example, the teeth of excavator buckets) is often accompanied by the formation and development of local wear, which is the cause of destruction. Meanwhile, well-known theoretical studies devoted to the study of working conditions and forecasting the resource of such parts are few and are of a private nature, stipulated by the solution of specific problems. This article deals with cantilever-fixed parts in the case of prevailing wear in local areas of the working surface. A rectangular cantilever fixed beam subjected to bending with a section where a groove simulating wear is located is considered as a calculation model. It has been established that the working state of a cantilever-fixed part with the presence of local wear is determined by a system of inequalities relating its geometry to the allowable stresses and pressure of the wear medium. A mathematical model has been obtained facilitating prediction of the resource of a part as its wear develops.
REFERENCES
Novokshonova, N.V. and Vakhrushev, S.I., Research on deterioration of excavator replaceable bucket teeth and its influence on soil cutting resistance, Sovrem. Tekhnol. Stroit. Teoriya Prakt., 2019, vol. 2, pp. 175–181.
Kazannikov, O.V. and Popov, E.V., Restoration and alloying of working bodies of earth-moving machinery, Traktory Sel’khozmashiny, 2021, vol. 88, no. 6, pp. 82–89. https://doi.org/10.17816/0321-4443-2021-6-82-89
Kozarez, I.V., Mikhal’chenkova, M.A., Lavrov, V.I., and Perepechina, Yu.I., The influence of the reinforcement of the chisel-shaped area of the ploughshare on the change in the geometric parameters of radial wear during operation, Traktory Sel’khozmashiny, 2021, vol. 88, no. 3, pp. 69–75. https://doi.org/10.31992/0321-4443-2021-3-69-75
Petrov, A.M., Ivanayskiy, S.A., Kanaev, M.A., Parfyonov, O.M., and Ivanayskiy, M.S., Justification of optimal design and technological parameters of needle discs of the combined working body, BIO Web Conf., 2020, vol. 17, nos. 1–2, p. 00016. https://doi.org/10.1051/bioconf/20201700016
Popov, D.A. and Patyukov, S.S., Particular operating conditions of the working bodies of building and road machines and factors af-fect their resource, Voronezhskii Nauchn.-Tekh. Vestn., 2015, vol. 4, no. 1, pp. 85–94. https://doi.org/10.12737/10908
Zelenin, N.A., Osnovy razrusheniya gruntov mekhanicheskim sposobom (Foundations of Soil Fracture by Mechanical Method), Moscow: Mashinostroenie, 1968.
Panov, I.M. and Vetokhin, V.I., Present-day situation and future development of Goriachkin’s soil mechanics, Moskovskii Gos. Agroinzhenernyi Univ. V.P. Goryachkina, 2008, no. 2, pp. 9–14.
Aldoshin, N.V., Vasil’ev, A.S., and Golubev, V.V., Studies on compressive and tensile strength of the sod-podzolic soil, Agroinzheneriya, 2020, vol. 3, pp. 27–33. https://doi.org/10.26897/2687-1149-2020-3-27-33
Horton, R., Horn, R., Bachmann, J., and Peth, S., Review of Essentials in Soil Physics: An Introduction to Soil Processes, Functions, Structure and Mechanics, Stuttgart: Schweizerbart, 2016.
Panda, A., Nahornyi, V., Pandová, I., Harničárová, M., Kušnerová, M., Valíček, J., and Kmec, J., Development of the method for predicting the resource of mechanical systems, Int. J. Adv. Manuf. Technol., 2019, vol. 105, nos. 1–4, pp. 1563–1571. https://doi.org/10.1007/s00170-019-04252-6
Monjaraz-Tec, C., Kohlmann, L., Schwarz, S., Hartung, A., Gross, J., and Krack, M., Prediction and validation of the strongly modulated forced response of two beams undergoing frictional impacts, Mech. Syst. Signal Process., 2022, vol. 180, p. 109410. https://doi.org/10.1016/j.ymssp.2022.109410
Mikhal’chenkov, A.M., Komogortsev, V.F., Kozarez, I.V., et al., Prediction of the resource of cantilever machine elements at wearing taking into account admissible stresses, Traktory Sel’khozmashiny, 2022, vol. 89, no. 2, pp. 67–72.
Feodos’ev, V.I., Soprotivlenie materialov. Uchebnik (Strength of Materials: Textbook), Moscow: Mosk. Gos. Tekh. Univ. im. N.E. Baumana, 1999, 10th ed.
Mikhal’chenkov, A.M., Komogortsev, V.F., Kozarez, I.V., Mikhal’chenkova, M.A., and D’yachenko, A.V., Influence of external force factors on the strength of uniformly loaded console-fixed parts subject to abrasive wear, Agroinzheneriya, 2021, no. 4, pp. 41–45. https://doi.org/10.26897/2687-1149-2021-4-41-45
Garkunov, D.N., Tribotekhnika (konstruirovanie, izgotovlenie i ekspluatatsiya mashin). Uchebnik (Triboengineering: Design, Manufacturing, and Operation of Machines: Textbook), Moscow: Mosk. S.-Kh. Akad., 2002, 5th ed.
Luzhnov, Yu.M. and Aleksandrov, V.D., Osnovy tribotekhniki. Ucheb. posobie (Foundations of Triboengineering: Textbook), Luzhnov, Yu.M., Ed., Moscow: Mosk. Avtodorozhnyi Inst., 2013.
Struzhanov, V.V. and Burmasheva, N.V., Teoriya uprugosti. Osnovnye polozheniya. Ucheb. posobie (Theory of Elasticity: Main Concepts: Textbook), Ekaterinburg: Izd-vo Ural. Univ., 2019.
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Mikhal’chenkov, A.M., Kravchenko, I.N., Komogortsev, V.F. et al. Assessment of the Performance of a Loaded Cantilever-Fixed Part in the Course of Local Wear. J. Mach. Manuf. Reliab. 52 (Suppl 1), S26–S31 (2023). https://doi.org/10.1134/S1052618823090091
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DOI: https://doi.org/10.1134/S1052618823090091