Tooling by DIJET QM MAX MQXTYPE ■ RECOMMENDED CUTTING CONDITIONS "ZPMT*-PL-TYPE INSERTS" (FOR BOTTOM FACE FINISHING) ● MQX + MSN type Tool dia. (mm) 25/26 Work Insert Materials Grades No. of teeth 4N 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) Carbon steel ~120 ≦0.20 9~23 2,300 1,380 ~120 ≦0.20 9~23 2,300 1,720 S50C, S55C CX75(C50, C55)JC8015190≦0.159~23 1,700 820 190 ≦0.15 9~23 1,700 1,020 Below 250HB 235 ≦0.10 9~15 1,150 460 235 ≦0.10 9~15 1,150 580 Die steel ~120 ≦0.20 9~23 2,000 1,200 ~120 ≦0.20 9~23 2,000 1,500 SKD61, SKD11 CX75(1.2344, 1.2379)JC8015190≦0.159~231,500 720 190 ≦0.15 9~23 1,500 900 Below 255HB 235 ≦0.10 9~15 1,000 400 235 ≦0.10 9~15 1,000 500 Mold steel ~120 ≦0.20 9~23 2,000 1,200 ~120 ≦0.20 9~23 2,000 1,500 HPM7, PX5, P20 JC8015(1.2311, P20)(DH102)190≦0.159~23 1,500 720 190 ≦0.15 9~23 1,500 900 30-36HRC 235 ≦0.10 9~15 1,000 400 235 ≦0.10 9~15 1,000 500 Mold steel ~120 ≦0.20 9~23 1,800 1,080 ~120 ≦0.20 9~23 1,800 1,350 NAK80,HPM1, P21 DH102(1.2311, P21)(JC8015)190≦0.159~231,350 650 190 ≦0.15 9~23 1,350 810 38-43HRC 235 ≦0.10 9~15 900 360 235 ≦0.10 9~15 900 450 Hardened ~120 ≦0.15 9~23 1,300 620 ~120 ≦0.15 9~23 1,300 780 die steelSKD61, DAC, DHA(1.2344, 1.2379)DH102JC8015190≦0.109~231,000 400 190 ≦0.10 9~23 1,000 500 42-52HRC 235 – – – – 235 – – – – Hardened ~120 ≦0.12 9~23 900 360 ~120 ≦0.12 9~23 900 450 die steel SKD11, SLD, DC11 DH102 190 ≦0.10 9~23 680 220 190 ≦0.10 9~23 680 270 (1.2344, 1.2379) 55-62HRC 235 – – – – 235 – – – – Grey & Nodular ~120 ≦0.20 9~23 2,300 1,660 ~120 ≦0.20 9~23 2,300 2,070 cast ironFC, FCD(GG, GGG)JC8015(DH102)190≦0.159~23 1,700 1,020 190 ≦0.15 9~23 1,700 1,280 Below 300HB 235 ≦0.10 9~15 1,150 550 235 ≦0.10 9~15 1,150 690 ~120 ≦0.20 9~23 2,000 1,200 ~120 ≦0.20 9~23 2,000 1,500 Stainless steelSUS304Below 250HBJC8015(DH102)190≦0.159~23 1,500235≦0.109~151,000720400190 ≦0.15 9~23235≦0.109~151,5001,000900500 ~120 ≦0.20 9~23 640 310 ~120 ≦0.20 9~23 640 380 Titanium alloy JC8015(Ti-6Al-4V)(DH102)190≦0.159~23 480 210 190 ≦0.15 9~23 480 260 235 ≦0.10 9~15 320 130 235 ≦0.10 9~15 320 160 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 Feed speed. 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. B071