
Tooling by DIJET Indexable Tools Hepta Mill HEPTyPE ■ RECOMMENDED CUTTING CONDITIONS General Use Tool dia. (mm) Work Insert Overhung length 125 160 Materials Inserts No. of teeth 7N No. of teeth 8N Grades ℓ (mm) ap n Vf Pc ap n Vf Pc (mm) (min-1) (mm/min) (kW) (mm) (min-1) (mm/min) (kW) 100 4 350 2,000 35.6 4 300 1,900 43.3 Carbon steel 150 4 320 1,600 28.5 4 260 1,500 34.2 S50C, S55C XDMT080620ZER(-ML) JC7560 (XDMW080620ZTR) (JC5040) 200 4 300 1,300 23.1 4 220 1,100 25.1 (C50, C55) Below 250HB 250 3.5 300 1,100 17.1 3.5 220 900 18 300 3 300 1,100 14.7 3 220 900 15.4 100 3 350 1,700 22.9 3 300 1,700 29.3 Mold steel XDMT080620ZER(-ML) JC7560 150 3 320 1,350 18.2 3 260 1,250 21.6 HPM7, PX5, KPM30 (XDMT080620ZER) (JC5118) 200 3 300 1,050 14.2 3 220 900 15.5 (1.2311, P20) (XDMW080620ZTR) (JC5040) 30-36HRC 250 2.5 300 1,000 11.2 2.5 220 700 10.1 300 2.5 300 1,000 11.2 2.5 220 700 10.1 100 3 300 1,500 21.6 3 250 1,400 25.8 Mold steel 150 3 250 1,100 15.8 3 200 1,000 18.4 NAK80, HPM1 XDMT080620ZER JC5118 (XDMT080620ZER) 200 3 200 750 10.8 3 150 600 11.1 (1.2311, P21) (JC8015) 38-43HRC 250 2.5 200 600 7.2 2.5 150 500 7.7 300 2.5 200 600 7.2 2.5 150 500 7.7 100 3 350 1,700 22.9 3 300 1,700 29.3 Die steel 150 3 18.2 3 320 1,350 260 1,250 21.6 SKD61, SKD11 XDMT080620ZER(-ML) JC7560 (1.2344, 1.2379) (XDMW080620ZTR) (JC5040) 200 3 300 1,050 14.2 3 220 900 15.5 Below 255HB 250 2.5 300 1,000 11.2 2.5 220 700 10.1 300 2.5 300 1,000 11.2 2.5 220 700 10.1 Hardened die steel 100 2.5 200 550 9.5 2.5 170 550 12.2 SKD61, DAC, DHA XDMW080620ZTR JC5118 150 2.5 150 400 6.9 2.5 150 500 11.1 (1.2344, 1.2379) (XDMW080620ZTR) (JC8015) 200 2.5 125 260 4.5 2.5 120 300 6.7 40-50HRC 250 2 125 260 3.6 2 120 280 5 100 5 350 2,450 39 5 280 2,250 45.9 Grey cast iron 150 5 320 2,200 35 5 260 2,100 42.8 FC250, FC300 XDMW080620ZTR JC8015 (GG25, GG30) (XDMW080635ZTR-S) (JC8015) 200 5 280 1,800 28.7 5 220 1,700 34.7 Below 300HB 250 4 280 1,400 17.8 4 220 1,400 22.8 300 3.5 280 1,400 15.6 3.5 220 1,400 20 100 4 300 1,700 31.9 4 250 1,500 36.1 Nodular cast iron 150 4 23.5 4 XDMW080620ZTR JC5118 270 1,250 220 1,200 28.9 FCD500, FCD700 (GGG50, GGG70) (XDMW080620ZTR) (JC8015) 200 3 250 1,000 14.1 3 180 950 17.1 (XDMW080635ZTR-S) (JC8015) 3 11.3 3 Below 300HB 250 250 800 180 800 14.4 300 2.5 250 800 9.4 2.5 180 800 12 100 4 300 1,000 19.2 4 240 900 22.1 Stainless steel 150 4 250 800 15.4 4 200 750 18.4 SUS304 XDMT080620ZER(-ML) JC7560 (XDMT080620ZER) (JC8050) 200 4 220 650 12.5 4 180 600 14.7 Below 250HB 250 3.5 9.2 3.5 220 550 180 500 10.8 300 3 220 500 7.2 3 180 450 8.3 ap: Depth of cut, n: Spindle speed, Vf: Feed speed, Pc: Net power consumption ■ NOTE 1) The cutting parameters to be adjusted according to the machine rigidity or work rigidity. (Above parameter is for BT50 arbor) 2) In case chatter occurrs, recommend to reduce depth of cut or spindle speed and feed speed. 3) Use air blow to flush the chips out. 4) We recommend to use XDMW080635ZTR-S JC8015 (negative geometry inserts) for material having sand C114 inclusions and uneven removal stocks.