Sliding in a press joint of a wheelset
https://doi.org/10.46973/0201-727X_2025_3_110
Abstract
Most mechanical joints in railway transport use interference fits to connect the axle and wheel. The wheelset is a is a joint with an interference fit of the wheel with the axle and can be subjected to all kinds of loads. Due to the high stress concentration, the processes of fatigue and fretting corrosion of the axle can lead to the destruction of the joint, therefore, it is necessary to assess the amount of sliding affecting the joint strength of the wheel and the axle as a whole, to determine the ability of the press joints to resist friction and withstand loads. Using the Lame equation and the numerical method by means of the Ansys complex, the distribution of contact pressure, deformations and stresses of the wheel and axle are analyzed, and sliding in the press joint is estimated. The novelty of the study lies in comparing a model that maximally simulates the press joint of a wheelset with a shaft – sleeve joint, the parameters of which are theoretically verified. The results of the study provide an understanding of the processes occurring in the press joint that cannot be physically controlled, in particular, the prevalence of sliding zones, as well as adhesion, affecting the bearing capacity of the joint, which is directly related to traffic safety.
About the Author
S. V. Krotov
Rostov State Transport University (RSTU)
Russian Federation
Russian Federation
Krotov Sergey Viktorovich, Chair "Construction Mechanics", Candidate of Engineering Sciences, Associate Professor
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Review
For citations:
Krotov S.V. Sliding in a press joint of a wheelset. Vestnik Rostovskogo Gosudarstvennogo Universiteta Putej Soobshcheniya. 2025;(3):110-116. (In Russ.) https://doi.org/10.46973/0201-727X_2025_3_110
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