
Tooling by DIJET Indexable Tools Mirror Ball BnMTyPE ■ RECOMMENDED CUTTING CONDITIONS ● BNM-SS, BNM-TG type insert Carbide shank holder (C-Body) Nominal feed rate f (mm/rev) Max Max Cutting Work Insert speed depth pick Tool dia. Dc (mm) of cut feed Materials Grades Vc (m/min) 6 8 10 12 16 20 25 30 32 ap ae (mm) (mm) Greycastiron (FC250, FC300) DH102 400~500 0.2~ 0.25~ 0.3~ 0.4~ 0.5~ 0.6~ 0.6~ 0.8~ 0.8~ 0.02Dc 0.025Dc 160~260HB DH108 0.35 0.4 0.5 0.6 0.7 0.8 0.8 1.0 1.0 Nodular cast iron (FCD600, FCD700) DH102 300~400 0.2~ 0.25~ 0.3~ 0.4~ 0.5~ 0.5~ 0.5~ 0.6~ 0.6~ 0.02Dc 0.025Dc 170~300HB DH108 0.3 0.35 0.4 0.5 0.6 0.7 0.7 0.8 0.8 Carbon steel 0.2~ 0.25~ 0.3~ 0.3~ 0.4~ 0.4~ 0.4~ 0.5~ 0.5~ (S50C, S55C) DH108 300~400 0.02Dc 0.02Dc 180~280HB 0.3 0.35 0.4 0.5 0.6 0.6 0.7 0.8 0.8 Low alloy steel 0.2~ 0.25~ 0.3~ 0.3~ 0.4~ 0.4~ 0.4~ 0.5~ 0.5~ (SCM440) DH108 300~400 0.02Dc 0.02Dc 180~280HB 0.3 0.35 0.4 0.5 0.6 0.6 0.7 0.8 0.8 Mold steel 0.2~ 0.25~ 0.3~ 0.3~ 0.4~ 0.4~ 0.4~ 0.5~ 0.5~ (HPM, NAK) DH108 300~400 0.02Dc 0.02Dc 280~400HB 0.3 0.35 0.4 0.5 0.6 0.6 0.7 0.8 0.8 Tool & Die steel 0.2~ 0.25~ 0.3~ 0.3~ 0.4~ 0.4~ 0.4~ 0.5~ 0.5~ (SKD61, SKD11) DH108 300~400 0.02Dc 0.02Dc 180~255HB 0.3 0.35 0.4 0.5 0.6 0.6 0.7 0.8 0.8 Hardened die steel (SKD61, SKD11) DH102 200~300 0.15~ 0.2~ 0.25~ 0.3~ 0.4~ 0.4~ 0.4~ 0.4~ 0.4~ 0.015Dc 0.02Dc 40~55HRC DH108 0.25 0.3 0.3 0.4 0.5 0.5 0.6 0.7 0.7 Hardened die steel (SKD61, SKD11) DH102 150~250 0.15~ 0.2~ 0.25~ 0.3~ 0.4~ 0.4~ 0.4~ 0.4~ 0.4~ 0.01Dc 0.02Dc 56~63HRC DH108 0.25 0.3 0.3 0.4 0.5 0.5 0.6 0.7 0.7 Stainless steel 0.2~ 0.25~ 0.3~ 0.3~ 0.4~ 0.4~ 0.4~ 0.5~ 0.5~ (SUS304, SUS316) DH108 250~350 0.02Dc 0.02Dc 150~250HB 0.3 0.35 0.4 0.5 0.6 0.6 0.7 0.8 0.8 Copper alloy 0.2~ 0.25~ 0.3~ 0.4~ 0.5~ 0.6~ 0.6~ 0.8~ 0.8~ 300~400 0.02Dc 0.025Dc 80~150HB 0.35 0.4 0.5 0.6 0.7 0.8 0.8 1.0 1.0 JC20003 FZ05 Aluminium alloy 0.2~ 0.25~ 0.3~ 0.4~ 0.5~ 0.6~ 0.6~ 0.8~ 0.8~ 400~500 0.03Dc 0.03Dc 30~100HB 0.35 0.4 0.5 0.6 0.7 0.8 0.8 1.0 1.0 0.2~ 0.25~ 0.3~ 0.4~ 0.5~ 0.6~ 0.6~ 0.8~ 0.8~ Graphite JC20003 600~800 0.03Dc 0.03Dc 0.35 0.4 0.5 0.6 0.7 0.8 0.8 1.0 1.0 Note) This data is applicable to short series tools and middle series tools. C189