Abstract
Technological residual stresses are formed in the surface layer of the workpiece under temperature and mechanical action during cutting. The nature of their distribution is determined by the physical fields acting on the surface layer. They form a total diagram of technological residual stresses. They have a decaying character and decrease in depth according to an exponential law. The rules of approximation for force fields of various types are considered, based on which a computational method for determining the technological residual stresses during cutting in the form of an additive approach has been developed. Calculations of technological residual stresses in the surface layer of the profile of the working part of the rotor of a screw compressor have been carried out.
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