OBRABOTKAMETALLOV MATERIAL SCIENCE Том 23 № 3 2021 EQUIPMEN . INSTRUM TS Vol. 5 No. 2 2023 а б Fig. 4. Structural kinematic schemes for processing a flat surface: a – milling; b – surface hardening by HEH HFC with loop inductor with a magnetic core The work [86] shows that the functional ability of the ith technological system, determined by its parameters (and characteristics), can be estimated through the so-called criterion of conditional average losses Ri, which provide a minimum of decision error 1 1 1 r j j i i ij j j DC UC R RC p = − = − ≤ c ∏ (1) where RCi – reduced costs; pij – loss free probability in the technological system by the j th parameter; DC j – design capabilities of the equipment for the jth parameter; UC j – the used capabilities of the metal-cutting machine for the jth parameter; [c j] – allowed value of capabilities stock for the j th parameter. In the process of optimizing the machine tool technological system, they try to find the minimum of the specified equation [19].
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