The investigation results of orbital smoothing basic parameter impact upon deviations from roundness in strengthened cylindrical surfaces are shown. It is defined that after orbital smoothing a deviation from roundness decreases by two to three times, which has a positive impact upon shape precision increase in strengthened parts.
A kinematics of a deforming tool motion for stress-strain state changes in the point of an elastic-plastic deformation and residual stresses increase at surface plastic deformation is developed. The results of a loading process computer simulation under different conditions of a deforming tool contact with a part which give a possibility to increase the effectiveness of a new method of the finishing-strengthening of orbital surface plastic deformation are shown.
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