Indexable Tools Tooling by DIJET SKS G II SKGTyPE ■ RECOMMENDED CUTTING CONDITIONS ● Facemill type (Insert 14-type) Tool dia. (mm) Work InsertMaterialsGrades 50/52No. of teeth 4N 63No. of teeth 4N ℓ ap ae n Vf ℓ ap ae n Vf (mm) (mm) (mm) (min-1) (mm/min) (mm) (mm) (mm) (min-1) (mm/min) ~150 2 ~28 890 6,410 ~150 2 ~40 710 5,110 Carbon steel JC8050 200 1.8 ~28 890 6,410 200 1.8 ~40 710 5,110 (C50,C55) (JC8118) 250 1.5 ~28 830 4,980 250 1.5 ~40 660 3,960 Below 250HB SPNW14 300 0.8 ~28 760 4,560 300 0.8 ~40 610 3,660 350 0.6 ~28 640 3,580 350 0.6 ~40 510 2,860 ~150 2 ~28 890 6,410 ~150 2 ~40 710 5,110 Die steel JC8050 200 1.8 ~28 890 6,410 200 1.8 ~40 710 5,110 (1.2344,1.2379) (JC8118) 250 1.5 ~28 830 4,980 250 1.5 ~40 660 3,960 Below 255HB SPNW14 300 0.8 ~28 760 4,560 300 0.8 ~40 610 3,660 350 0.6 ~28 640 3,580 350 0.6 ~40 510 2,860 ~150 2 ~28 890 6,410 ~150 2 ~40 710 5,110 Mold steel JC8050 200 1.8 ~28 890 6,410 200 1.8 ~40 710 5,110 (1.2311,P20) (JC8118) 250 1.5 ~28 830 4,980 250 1.5 ~40 660 3,960 30-36HRC SPNW14 300 0.8 ~28 760 4,560 300 0.8 ~40 610 3,660 350 0.6 ~28 640 3,580 350 0.6 ~40 510 2,860 ~150 1.6 ~28 640 3,840 ~150 1.6 ~40 510 3,060 Mold steel JC8118 200 1.4 ~28 640 3,840 200 1.4 ~40 510 3,060 (1.2311,P21) (JC8050) 250 1.2 ~28 640 3,840 250 1.2 ~40 510 3,060 38-43HRC SPNW14 300 0.7 ~28 510 2,860 300 0.7 ~40 400 2,240 350 – – – – 350 – – – – ~150 1 ~28 570 2,740 ~150 1 ~40 450 2,160 Hardened diesteel JC8118(1.2344, 1.2379)SPNW1420025010.8~28~28 570 2,280 200 1 ~405701,8202500.8~404501,8004501,440 42-52HRC 300 0.5 ~28 450 1,260 300 0.5 ~40 350 980 350 – – – – 350 – – – – ~150 2 ~28 1,150 8,280 ~150 2 ~40 910 6,550 Grey & Nodular 200 1.8 ~28 1,150 8,280 200 1.8 ~40 910 6,550 cast iron(GG, GGG)JC8118SPNW14250 1.5 ~28 1,150 6,900 250 1.5 ~40 910 5,460 Below 300HB 300 0.8 ~28 1,020 6,120 300 0.8 ~40 810 4,860 350 0.6 ~28 1,020 5,710 350 0.6 ~40 810 4,540 ℓ: Overhung length, ap: Axial depth of cut, ae: Radial depth of cut, n: Spindle speed, Vf: Feed speed ■ NOTE 1) The figure to be adjusted according to the machine rigidity or work rigidity. 2) In case of chatter occurring, recommend to reduce the depth of cut ap or Spindle speed and keep feed per tooth. 3) If machine does not have enough power, recommend to reduce the depth of cut ap or Spindle speed and Feed speed.4)Use air blow. C021