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The peculiarities in the realization of algorithmic and mathematical software for technological control of machinery wear during machine parts cutting are considered. At the same time the adaptive system of quality control of parts surfaces machining on NC machines is used. This system allows decreasing cost price of manufacturing parts and ensuring their required life. The system developed allows choosing a method and modes of part surface finish cutting ensuring a value of its wear intensity at operation not exceeding permissible one with minimum technological cost price. It allows carrying out finish cutting a part surface with the optimum method and in optimum modes on a machine, possibly, equipped with NC systems with the adaptive wear-resistance control of the part under machining.