DETERMINATION OF THE BENDING STIFFNESS OF THIN-WALLED SHAFTS BY THE EXPERIMENTAL METHODOLOGICAL METHOD DUE TO THE FORMATION OF INTERNAL STRESSES

Sh. Fayzimatov; Sh. Rubidinov

doi:10.17605/OSF.IO/KFSR6

Authors

Sh. Fayzimatov P.G. Doctor of technical sciences, professor Department of “Mechanical engineering and automatization”, Fergana Polytechnic Institute, Fergana, Uzbekistan
Sh. Rubidinov Assistant of the Department of Mechanical Engineering and Automation, Fergana Polytechnic Institute, Fergana, Uzbekistan

DOI:

https://doi.org/10.17605/OSF.IO/KFSR6

Keywords:

thin-walled shaft; maximum bend; surface layer; wear resistance, bending stiffness.

Abstract

This article presents the results of computer simulation of the flexural stiffness of thin-walled shafts. Influence of residual stresses on the maximum bending value of shaft-type parts. During the experimental and methodological work, it was found that the formation of residual stresses in the surface layers of a certain thickness have a positive effect on increasing the stiffness of the shafts. The results obtained make it possible to explain a number of experiments on the hardening of shafts by surface plastic deformation. Determination of the bending stiffness of low-stiff shafts due to the formation of residual stresses is allowed only when it is possible to create deeper fields of their distribution.

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