Abstract
In the present work, frictional contact interaction between the tip and the shaft of the tail transmission of the MI-26 helicopter is considered in the framework of the linear theory of elasticity. The geometrical dimensions of the joint elements are taken from the design documentation. To set the profile of the tooth section, the necessary parametric equations were derived. To solve the tasks set, the finite element method and the ANSYS software were used. The main attention in the calculations was paid to the study of contact pressure q and effective (equivalent) stresses σe on the tip teeth surfaces that are in direct contact with the teeth of the cup. In accordance with one of the proposed ways to increase the operational life of the node under study, a thin coating with mechanical characteristics different from the teeth original material was designed placed on the contacting surface of the tip tooth. The stress-strain state of the node has been calculated for various geometrical and mechanical parameters of the coating.
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Acknowledgements
The research is carried out in accordance with the Federal Target Program “Research and Development in the Priority Areas of Development of the Russian Scientific and Technological Complex for 2014–2020” and is supported by the Government of the Russian Federation represented by the Ministry of Higher Education and Science of Russia (Agreement No. 14.607.21.0203, Project identifier RFMEFI60718X0203).
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Chebakov, M.I., Danilchenko, S.A., Kolosova, E.M. (2020). Simulation of the Stress-Strain State of the Spline Joint of the Helicopter Tail Transmission. In: Parinov, I., Chang, SH., Long, B. (eds) Advanced Materials. Springer Proceedings in Materials, vol 6. Springer, Cham. https://doi.org/10.1007/978-3-030-45120-2_33
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DOI: https://doi.org/10.1007/978-3-030-45120-2_33
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