Modular Head Series Tooling by DIJET Super End Chipper MECTYPE ■ RECOMMENDED CUTTING CONDITIONS ● MEC type +MSN Carbide Shank Holder Tool dia. (mm) Work Insert 24/25/26 30/32/33 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 90 1.0 2,290 1,150 100 1.5 1,790 900 S50C, S55C(C50, C55)JC5040 140 0.6 2,290 1,150 150 1.0 1,790 900 Below 250HB 210 0.3 1,900 950 210 0.6 1,490 745 Mold steel JC5040 90 1.0 2,040 920 100 1.5 1,600 720 HPM7, PX5, NAK80, P20(1.2311,P20)JC5015 140 0.6 2,040 920 150 1.0 1,600 720 30-43HRC For over 40HRC 210 0.3 1,900 860 210 0.6 1,490 670 Die steel 90 1.0 2,040 920 100 1.5 1,600 720 SKD61, SKD11(1.2344, 1.2379)JC5040 140 0.6 2,040 920 150 1.0 1,600 720 Below 255HB 210 0.3 1,900 860 210 0.6 1,490 670 Stainless steel 90 1.0 2,040 920 100 1.5 1,600 720 SUS304 JC5015 140 0.6 1,900 860 150 1.0 1,490 670 Below 250HB 210 0.3 1,900 860 210 0.6 1,490 670 Hardened die steel 90 0.7 890 270 100 0.8 700 210 SKD61, SKD11(1.2344, 1.2379)JC5015 140 0.4 765 230 150 0.5 600 180 40-50HRC 210 – – – 210 0.3 600 180 Grey & Nodular 90 1.0 1,900 1,140 100 1.5 1,500 900 cast ironFC, FCD (GG, GGG)JC5015 140 0.6 1,900 1,140 150 1.0 1,500 900 Below 300HB 210 0.3 1,600 960 210 0.6 1,250 750 90 2.5 5,100 2,550 100 3.0 4,000 2,000 Aluminium alloy50-110HBFZ15 140 1.5 5,100 2,550 150 2.0 4,000 2,000 210 1.0 4,300 2,150 210 1.5 3,350 1,500 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. B144 4) In case of full slotting, recommend to reduce spindle speed and feed speed by 70% on above table.