Nine9 | KL-TECH s.r.o. | www.klte.cz Nine9 | Page 37

KL-TECH s.r.o | www.klte.cz Cutting Data N9MT-R Insert >> Corner Rounding R Insert Work Material (4 cutting edges) Vc (m/min) f (mm/rev.) Grade of Insert Carbon Steel 150~320 0.05~0.10 NC2071 Alloy steel 100~250 0.04~0.08 NC2071 60~80 0.03~0.06 NC2071 150~250 0.05~0.10 NC2071 High alloy steel Cast iron LA Insert >> 45° Chamfering Û&KDPIHULQJ Formula Į S = d Vc X 1000 r.p.m. d X point angle 90° d = effective diameter Vc = cutting speed-m/min.or ft/min. F = S x f mm/min. S = Spindle speed f = feed per rev.-mm/rev. Û&KDPIHULQJ Work Material Vc (m/min) f (mm/rev.) Grade of Insert Carbon Steel 150-320 0.05~0.10 NC40 Alloy Steel 100-250 0.04~0.08 NC40 High alloy steel 60-80 0.03~0.06 NC40 Stainless Steel 65-125 0.03~0.06 NC10 Cast iron 150-250 0.05~0.10 NC10, NC40 Aluminum, AI-alloy Si < 12% 150-320 0.05~0.10 NC10 Al-alloy Si >12% 100-300 0.05~0.10 NC10 Cu 200-250 0.05~0.10 NC10 Brass and Bronze 150-250 0.05~0.10 NC10 60-80 0.05~0.10 NC60 Hardened steel 40~56 HRC Nine9 Cutting Tool & Tool Holders 35