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Performance modeling and multi-objective optimization during turning AISI 304 stainless steel using coated and coated-microblasted tools

OBRABOTKAMETALLOV MATERIAL SCIENCE Том 23 № 3 2021 EQUIPMEN . INSTRUM TS Vol. 5 No. 4 2023 Ta b l e 9 One-sided transformation for PVD-AlTiN coated-microblasted (CMB) tools Desirability for tangential cutting force (DFc) (Eq. 23) Desirability for feed force (DFf) (Eq. 24) max min max max min 0, 209.9 , 1, 11.9 i i c c c c c c c c c c F F F DF F F F F F F   ≥     −   = ≤ ≤   −        ≤  max min max max min 0, 69.9 , 1, 11.7 i i f f f f f f f f f f F F F DF F F F F F F   ≥     −   = ≤ ≤   −       ≤   Desirability for radial force (DFr) (Eq. 25) Desirability for surface roughness (DRa) (Eq. 26) max min max max min 0, 30.4 , 1, 7.7 i i r r r r r r r r r r F F F DF F F F F F F   ≥     −   = ≤ ≤    −       ≤  max min max max min 0, 1.47 , 1, 0.21 i i a a a a a a a a a a R R R DR R R R R R R   ≥     −   = ≤ ≤   −        ≤  Desirability for tool life (DT) (Eq. 27) min min max max min 0, 6.7 , 1, 40.3 i T i T T T D T T T T T T   ≤     −  = ≤ ≤    −     ≥    Ta b l e 1 0 One-sided transformation for MTCVD-TiCN/Al2O3 coated tools Desirability for tangential cutting force (DFc) (Eq. 28) Desirability for feed force (DFf) (Eq. 29) max min max max min 0, 220.4 , 1, 15.1 i i c c c c c c c c c c F F F DF F F F F F F   ≥     −   = ≤ ≤   −        ≤  max min max max min 0, 78.3 , 1, 13.3 i i f f f f f f f f f f F F F DF F F F F F F   ≥     −   = ≤ ≤   −       ≤   Desirability for radial force (DFr) (Eq. 30) Desirability for surface roughness (DRa) (Eq. 31) max min max max min 0, 34.6 , 1, 14 i i r r r r r r r r r r F F F DF F F F F F F   ≥     −   = ≤ ≤    −       ≤  max min max max min 0, 1.59 , 1, 0.24 i i a a a a a a a a a a R R R DR R R R R R R   ≥     −   = ≤ ≤   −        ≤  Desirability for tool life (DT) (Eq. 32) min min max max min 0, 8.5 , 1, 51.1 i T i T T T D T T T T T T   ≤     −  = ≤ ≤    −     ≥   

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