Modular Head Series Tooling by DIJET Super End Chipper MECTYPE ■ RECOMMENDED CUTTING CONDITIONS ● MEC type + MSN Carbide Shank Holder Tool dia. (mm) Work Insert 16 20/21 Materials Grades No. of teeth 2N No. of teeth 2N ℓ ap n Vf ℓ ap n Vf (mm) (mm) (min-1) (mm/min) (mm) (mm) (min-1) (mm/min) Carbon steel 70 0.6 3,580 2,140 70 0.7 2,860 1,430 S50C, S55C(C50, C55) JC5040 120 0.5 3.180 1,590 120 0.5 2,860 1,430 Below 250HB 160 0.3 2,980 1,490 190 0.3 2,400 1,200 Mold steel JC5040 70 0.6 3,180 1,590 70 0.7 2,550 1,150 HPM7, PX5, NAK80, P20(1.2311, P20)JC5015 120 0.5 3,180 1,590 120 0.5 2,550 1,150 30-43HRC For over 40HRC 160 0.3 2,980 1,490 190 0.3 2,400 1,080 Die steel 70 0.6 3,180 1,590 70 0.7 2,550 1,150 SKD61, SKD11(1.2344, 1.2379)JC5040 120 0.5 3,180 1,590 120 0.5 2,550 1,150 Below 255HB 160 0.3 2,980 1,490 190 0.3 2,400 1,080 Stainless steel 70 0.6 3,180 1,590 90 0.7 2,550 1,150 SUS304 JC5015 120 0.5 2,980 1,490 120 0.5 2,400 1,080 Below 250HB 160 0.3 2,980 1,490 190 0.3 2,400 1,080 Hardened die steel 70 0.4 1,400 350 70 0.5 1,110 280 SKD61, SKD11(1.2344, 1.2379)JC5015 120 0.3 1,200 300 120 0.3 950 240 40-50HRC 160 – – – 190 – – – Grey & Nodular 70 0.6 2,980 1,800 70 0.7 2,400 1,440 cast ironFC, FCD (GG, GGG)JC5015 120 0.5 2,980 1,650 120 0.5 2,400 1,440 Below 300HB 160 0.3 2,500 1,380 190 0.3 2,070 1,240 70 2.0 8,000 4,000 70 2.0 6,400 3,200 Aluminium alloy50-110HB FZ15 120 1.5 8,000 3,600 120 1.5 6,400 3,200 160 1.0 6,700 3,000 190 1.0 5,600 2,520 ℓ: Overhung length, ap: 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 feed speed. 3) In case of ramping, ramping angle up to 3% is recommended. 4) In case of full slotting, recommend to reduce spindle speed and feed speed by 70% on above table. B143