Abstract
It is described the effect of the frequency of circular oscillations of a sectorial working tool on the stressstrain state of cylindrical parts. As a result of computer modeling, it was revealed that under the same loading conditions, the action of a working tool with different frequencies of circular oscillations creates different values of temporary and residual stresses. In the case of movement in one direction of the tool and the workpiece, the minimum value of stresses is formed, and with their oncoming movement, the value of the maximum stresses increases by 15...40 %. The resulting value of the residual stresses generally increases. With an increase in the frequency of circular oscillation of the working tool, the intensity of residual stresses increases by 1.2...2 times. The intensity of deformation changes in direct proportion to the value of the frequency of the circular oscillation and the depth of plastic deformation reaches 2.1...2.8 mm.
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