Общий каталог Dijet 2018 - страница 112

Tooling by DIJET QM MILL MPMTYPE ■ RECOMMENDED CUTTING CONDITIONS / HIGH SPEED MACHINING ● MPM type (EOHW type insert) ＋ MSN Carbide Shank Holder Tool dia. (mm) Work Insert 20/21 25 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(1.2344, 1.2379)JC81181200.20 ~14 1,280 3,100 150 0.20 ~18 1,040 3,000 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(1.2344, 1.2379)DH102120 0.10 ~14 1,140 1,540 150 0.10 ~18 920 1,490 55-62HRC 160 – – – – 200 – – – – Tool dia. (mm) Work Insert 30 32 Materials Grades No. of teeth 7N No. of teeth 8N 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 steelSKD61, DAC, DHAJC8118180 0.20 ~22 860 2,890 180 0.20 ~24 810 3,110 (1.2344, 1.2379)42-52HRC 240 0.10 ~22 760 1,920 240 0.10 ~24 720 2,070 Hardened 120 0.15 ~22 850 1,780 120 0.15 ~24 800 1,920 die steelSKD11, SLD, DC11DH102180 0.10 ~22 760 1,430 180 0.10 ~24 720 1,560 (1.2344, 1.2379)55-62HRC 240 – – – – 240 – – – – 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.