Tooling by DIJET QM MILL MPMTYPE ■ RECOMMENDED CUTTING CONDITIONS ● MPM type (ZOMT type insert) + MSN Carbide Shank Holder Tool dia. (mm) 10/11 12/13 16/17 Work Insert Materials Grades No. of teeth 2N No. of teeth 3N No. of teeth 4N ℓ ap ap×ae n Vf ℓ ap ap×ae n Vf ℓ ap ap×ae n Vf (mm) (mm) (mm2) (min-1) (mm/min) (mm) (mm) (mm2) (min-1) (mm/min) (mm) (mm) (mm2) (min-1) (mm/min) Carbon steel 50 ~4.0 ~6.0 5,090 810 60 ~4.0 ~8.0 4,240 1,020 70 ~5.0 ~10.0 3,180 1,020 S50C, S55C JC5118 (C50, C55) (JC8050) 75 ~1.2 ~1.8 4,580 640 80 ~1.7 ~2.6 3,820 800 120 ~2.0 ~3.0 2,860 800 Below 250HB 100 ~0.5 ~0.8 4,070 490 110 ~0.6 ~1.2 3,390 610 160 ~0.7 ~1.3 2,540 610 Die steel 50 ~4.0 ~6.0 4,780 570 60 ~4.0 ~8.0 3,980 720 70 ~5.0 ~10.0 2,990 720 SKD61, SKD11 JC5118 (1.2344, 1.2379) (JC8050) 75 ~1.2 ~1.8 4,300 430 80 ~1.7 ~2.6 3,580 540 120 ~2.0 ~3.0 2,690 540 Below 255HB 100 ~0.5 ~0.8 3,820 310 110 ~0.6 ~1.2 3,180 380 160 ~0.7 ~1.3 2,390 380 Mold steel 50 ~3.0 ~4.0 3,820 460 60 ~3.0 ~4.5 3,180 570 70 ~4.0 ~6.0 2,390 570 HPM7, PX5, NAK80, P20 JC8050 75 ~1.2 ~1.6 3,440 340 80 ~1.3 ~1.8 2,860 430 120 ~1.7 ~2.2 2,150 430 (JC5118) (1.2311, P20) 30-43HRC 100 ~0.5 ~0.8 3,060 240 110 ~0.6 ~1.0 2,540 300 160 ~0.6 ~1.1 1,910 300 Grey & Nodular 50 ~4.0 ~6.0 4,780 760 60 ~4.0 ~8.0 3,980 960 70 ~5.0 ~10.0 2,990 960 cast iron FC, FCD JC5118 75 ~1.2 ~1.8 4,300 600 80 ~1.7 ~2.6 3,580 750 120 ~2.0 ~3.0 2,690 750 (GG, GGG) Below 300HB 100 ~0.5 ~0.8 3,980 480 110 ~0.6 ~1.2 3,180 570 160 ~0.7 ~1.3 2,390 570 50 ~4.0 ~6.0 4,780 570 60 ~4.0 ~8.0 3,980 720 70 ~5.0 ~10.0 2,990 720 Stainless steel SUS304 JC8050 75 ~1.2 ~1.8 4,300 430 80 ~1.7 ~2.6 3,580 540 120 ~2.0 ~3.0 2,690 540 Below 250HB 100 ~0.5 ~0.8 3,820 310 110 ~0.6 ~1.2 3,180 380 160 ~0.7 ~1.3 2,390 380 ℓ: Overhung length, ap: Axial depth of cut, ae: Radial depth of cut, n: Spindle speed, Vf: Feed speed ■NOTE 1)The cutting parameters to be adjusted according to the machine rigidity or work rigidity. 2)In case chatter occurrs, recommend to reduce depth of cut or spindle speed with keeping feed per tooth. 3) If machine does not have enough power, recommend to reduce depth of cut first and reduce spindle speed and feed speed. 4)Use air blow to flush the chip sout. B097