Tooling by DIJET QM MILL MPMTYPE ■ RECOMMENDED CUTTING CONDITIONS ● MPM type (EOMT/W type insert) + MSN Carbide Shank Holder Tool dia. (mm) 20/21 25 Work Insert Materials Grades No. of teeth 5N No. of teeth 6N ℓ ap ae n Vf ℓ ap ae n Vf (mm) (mm) (mm) (min-1) (mm/min) (mm) (mm) (mm) (min-1) (mm/min) Carbon steel JC7560 70 0.4 ~14 1,910 8,600 90 0.4 ~18 1,530 8,260 S50C, S55C(C50, C55)(JC8050)(JC5118)120 0.3 ~14 1,720 6,970 140 0.3 ~18 1,380 6,710 Below 250HB (JC8118) 190 0.25 ~14 1,530 5,510 210 0.25 ~18 1,220 5,270 Die steel JC7560 70 0.4 ~14 1,750 7,880 90 0.4 ~18 1,400 7,560 SKD61, SKD11 (JC8050)(1.2344, 1.2379)(JC5118)1200.3~141,580 6,400 140 0.3 ~18 1,260 6,120 Below 255HB (JC8118) 190 0.25 ~14 1,400 5,040 210 0.25 ~18 1,120 4,840 Mold steel JC7560 70 0.4 ~14 1,750 7,880 90 0.4 ~18 1,400 7,560 HPM7, PX5, P20 (JC8050)(1.2311, P20)(JC5118)1200.3~14 1,580 6,400 140 0.3 ~18 1,260 6,120 30-36HRC (JC8118) 190 0.25 ~14 1,400 5,040 210 0.25 ~18 1,120 4,840 Mold steelNAK80, HPM1, P21(1.2311, P21)38-43HRCJC8050(JC5118)(JC8118)701201900.3~140.25~140.2~141,4305,0001,2904,0601,1403,190900.3~181,1504,8301400.25~181,0403,9302100.2~189203,090 Hardened die steelSKD61, DAC, DHA(1.2344, 1.2379)42-52HRCJC8118JC5118(JC8050)701201900.3~140.2~14––1,1103,3301,0002,700––901402100.3~180.2~18––8903,2008002,590–– Hardened die steelSKD11, SLD, DC11(1.2344, 1.2379)55-62HRCJC8118JC5118EOMWtype701201900.15~140.1~14––480600900.15~18 380 5704304801400.1~18340460––210–––– Grey & Nodular 70 0.4 ~14 2,390 10,750 90 0.4 ~18 1,910 10,310 cast ironFC, FCD JC8118JC5118 120 0.35 ~14 2,150 8,710 140 0.35 ~18 1,720 8,360 (GG, GGG) (JC7560)Below 300HB1900.3 ~14 1,910 6,880 210 0.3 ~18 1,530 6,610 Stainless steelSUS304Below 250HBJC7560(JC8050)701201900.4~140.3~140.25~141,9108,6001,7206,9701,5305,510900.4~18 1,530 8,2601400.3~181,3806,7102100.25~181,2205,270 JC7560 70 0.3 ~14 950 2,380 90 0.3 ~18 760 2,280 Titanium alloy (JC5118)(Ti-6Al-4V)(JC8050)1200.25~14 860 1,940 140 0.25 ~18 680 1,840 (JC8118) 190 0.2 ~14 760 1,520 210 0.2 ~18 610 1,460 JC8118 70 0.3 ~14 480 960 90 0.3 ~18 380 910 Inconel(INCO718) JC5118(JC8050)120 0.25 ~14 430 860 140 0.25 ~18 340 730 (JC7560) 190 0.2 ~14 380 610 210 0.2 ~18 300 580 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. B093