Indexable Tools Tooling by DIJET SKS G II SKGTyPE ■ RECOMMENDED CUTTING CONDITIONS ● Facemill type (Insert 14-type) Tool dia. (mm) Work Insert 66 80 Materials Grades No. of teeth 5N No. of teeth 5N 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 ~44 680 6,120 ~150 2 ~56 600 5,400 Carbon steel JC8050 200 1.8 ~44 680 6,120 200 1.8 ~56 600 5,400 (C50,C55) (JC8118) 250 1.5 ~44 630 4,730 250 1.5 ~56 560 4,200 Below 250HB SPNW14 300 0.8 ~44 580 4,350 300 0.8 ~56 520 3,900 350 0.6 ~44 480 3,360 350 0.6 ~56 440 3,080 ~150 2 ~44 680 6,120 ~150 2 ~56 600 5,400 Die steel JC8050 200 1.8 ~44 680 6,120 200 1.8 ~56 600 5,400 (1.2344,1.2379) (JC8118) 250 1.5 ~44 630 4,730 250 1.5 ~56 560 4,200 Below 255HB SPNW14 300 0.8 ~44 580 4,350 300 0.8 ~56 520 3,900 350 0.6 ~44 480 3,360 350 0.6 ~56 440 3,080 ~150 2 ~44 680 6,120 ~150 2 ~56 600 5,400 Mold steel JC8050 200 1.8 ~44 680 6,120 200 1.8 ~56 600 5,400 (1.2311,P20) (JC8118) 250 1.5 ~44 630 4,730 250 1.5 ~56 560 4,200 30-36HRC SPNW14 300 0.8 ~44 580 4,350 300 0.8 ~56 520 3,900 350 0.6 ~44 480 3,360 350 0.6 ~56 440 3,080 ~150 1.6 ~44 480 3,600 ~150 1.6 ~56 400 3,000 Mold steel JC8118 200 1.4 ~44 480 3,600 200 1.4 ~56 400 3,000 (1.2311,P21) (JC8050) 250 1.2 ~44 480 3,600 250 1.2 ~56 400 3,000 38-43HRC SPNW14 300 0.7 ~44 390 2,730 300 0.7 ~56 320 2,240 350 – – – – 350 – – – – ~150 1 ~44 430 2,580 ~150 1 ~56 360 2,160 Hardened diesteel JC8118(1.2344, 1.2379)SPNW1420025010.8~44~44 430 2,150 200 1 ~564301,7202500.8~563601,8003601,440 42-52HRC 300 0.5 ~44 340 1,190 300 0.5 ~56 280 980 350 – – – – 350 – – – – ~150 2 ~44 870 7,830 ~150 2 ~56 720 6,480 Grey & Nodular 200 1.8 ~44 870 7,830 200 1.8 ~56 720 6,480 cast iron(GG, GGG)JC8118SPNW14250 1.5 ~44 870 6,530 250 1.5 ~56 720 5,400 Below 300HB 300 0.8 ~44 770 5,780 300 0.8 ~56 640 4,800 350 0.6 ~44 770 5,390 350 0.6 ~56 640 4,480 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 C022 Feed speed.4)Use air blow.