Tooling by DIJET QM MILL MPMTYPE ■ RECOMMENDED CUTTING CONDITIONS / HIGH SPEED MACHINING ● MPM type (EOHW 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) Hardened die steel 80 0.25 ~14 1,430 4,290 100 0.25 ~18 1,150 4,140 SKD61, DAC, DHA JC8118 120 0.20 ~14 1,280 3,100 150 0.20 ~18 1,040 3,000 (1.2344, 1.2379) 42-52HRC 160 0.10 ~14 1,140 2,050 200 0.10 ~18 920 1,990 Hardened die steel 80 0.15 ~14 1,270 1,900 100 0.15 ~18 1,020 1,840 SKD11, SLD, DC11 DH102 120 0.10 ~14 1,140 1,540 150 0.10 ~18 920 1,490 (1.2344, 1.2379) 55-62HRC 160 – – – – 200 – – – – Tool dia. (mm) 30 32 Work Insert Materials No. of teeth 7N No. of teeth 8N Grades ℓ ap ae n Vf ℓ ap ae n Vf (mm) (mm) (mm) (min-1) (mm/min) (mm) (mm) (mm) (min-1) (mm/min) Hardened 120 0.25 ~22 950 3,990 120 0.25 ~24 890 4,320 die steel SKD61, DAC, DHA JC8118 180 0.20 ~22 860 2,890 180 0.20 ~24 810 3,110 (1.2344, 1.2379) 240 0.10 ~22 760 1,920 240 0.10 ~24 720 2,070 42-52HRC Hardened 120 0.15 ~22 850 1,780 120 0.15 ~24 800 1,920 die steel SKD11, SLD, DC11 DH102 180 0.10 ~22 760 1,430 180 0.10 ~24 720 1,560 (1.2344, 1.2379) 240 – – – – 240 – – – – 55-62HRC 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. B096 4)Use air blow to flush the chip sout.