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Mill Eigenfrequency in Thermal Fitting

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Abstract

A method is proposed for the analytical calculation of the elastic displacement of a shaft relative to a bush in joints with interference under the action of radial force and a bending torque. Those displacements are associated with elastic deformation of the shaft, the bush, and the contact layer formed by their rough surfaces. On the basis of that approach, a method is proposed for estimating the lower eigenfrequency of the shaft–bush system. As an example, the thermal fitting of an axial tool in a mandrel is considered.

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ACKNOWLEDGMENTS

Financial support was provided by the Russian Ministry of Education and Science (contract 14.577.21.0128, identifier RFMEFI 57714X0128).

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Authors and Affiliations

  1. Bauman Moscow State Technical University, Moscow, Russia

    M. M. Ermolaev, S. K. Rudnev & P. A. Bykov

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  1. M. M. Ermolaev
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  2. S. K. Rudnev
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  3. P. A. Bykov
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Correspondence to M. M. Ermolaev.

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Translated by Bernard Gilbert

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Ermolaev, M.M., Rudnev, S.K. & Bykov, P.A. Mill Eigenfrequency in Thermal Fitting. Russ. Engin. Res. 38, 916–920 (2018). https://doi.org/10.3103/S1068798X18120353

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  • DOI: https://doi.org/10.3103/S1068798X18120353

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