Effectiveness of Methods for Leading Strain Hardening of the Material of Cut Down Layer in Machining

The authors established the characteristic features and the general regularities of the effect of surface hardening methods on the cutting process in machining them with leading plastic deforming. These methods involve running of roller, ultrasonic and centrifugal processing, smoothing, caulking. For the first time, during the work the results of generalization for experimental data on the firmness of the cutting tool allowed to establish intervals of the rational, the most effective application of the investigated methods for the material surface hardening vs the thickness of the cut down layer. The obtained experimental dependences for a changing wear resistance of the tool can be used to choose the most rational method of strain hardening and the preliminary evaluation for the expected application effectiveness of cutting process with leading plastic deforming.

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