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The paper highlights the methods to define wear intensity of cutting tools using the theory of similarity. The dimensionless numbers of the cutting procedures, which are necessary in calculating cutting tool wear intensity, are defined with regard to the cutting conditions, cutting tool geometry, and the physico-mechanical properties of the work stock and the tool materials.

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The analysis of the influence of technological processing conditions and material quality parameters of the surface layer of the part, including material hardening indicators, on the corrosion resistance characteristics of the part material is presented. The corresponding calculated dependences are given.

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