Indexable Tools Tooling by DIJET Hepta Mill HEPTyPE ■ RECOMMENDED CUTTING CONDITIONS Interrupted Cutting Tool dia. (mm) WorkMaterials Inserts Insert OverhunglengthGradesℓ(mm)125No. of teeth 7NapnVfPc 160No. of teeth 8NapnVf Pc (mm) (min-1) (mm/min) (kW) (mm) (min-1) (mm/min) (kW) 100 4 300 1,700 30.3 4 250 1,600 36.5 Carbon steelS50C, S55C(C50, C55)Below 250HBXDMW080620ZTR(-ML)JC7560(XDMT080620ZER)(JC8050)(XDMW080620ZTR)(JC8050)150200250443.52701,40024.942501,10019.64250900143.52201,20027.418090020.518075015 300 3 250 900 12 3 180 750 12.8 100 3 300 1,400 18.9 3 250 1,400 24.2 Mold steelHPM7, PX5, KPM30 XDMW080620ZTR(-ML)JC7560(1.2311, P20)(XDMT080620ZER)(JC8050)150200332701,10014.8325090012.13220 1,000 17.318075012.9 30-36HRC (XDMW080620ZTR) (JC8050) 250 2.5 250 850 9.5 2.5 180 600 8.6 300 2.5 250 850 9.5 2.5 180 600 8.6 100 3 250 1,150 16.6 3 200 1,100 20.2 Mold steelNAK80, HPM1(1.2311, P21)XDMT080620ZER 150 3JC51182003200 800 11.5 31505507.93150 800 14.712055010.1 38-43HRC 250 2.5 150 500 6 2.5 120 450 6.9 300 2.5 150 500 6 2.5 120 450 6.9 100 3 300 1,400 18.9 3 250 1,400 24.2 Die steelSKD61, SKD11XDMW080620ZTR(-ML)JC7560(1.2344, 1.2379)(XDMT080620ZER)(JC8050)150200Below 255HB(XDMW080620ZTR)(JC8050)250332.52701,10014.8325090012.132508509.52.52201,00017.318075012.91806008.6 300 2.5 250 850 9.5 2.5 180 600 8.6 Hardened die steel 100 2.5 200 450 7.8 2.5 170 450 10 SKD61, DAC, DHA XDMW080620ZTR JC5118 150 2.5 150 320 5.6 2.5 150 400 8.9 (1.2344, 1.2379) (XDMW080620ZTR) (JC8015) 200 2.5 125 200 3.5 2.5 120 250 5.6 40-50HRC 250 2 125 200 2.8 2 120 220 3.9 100 5 300 2,100 33.5 5 250 2,000 40.8 Grey cast ironFC250, FC300XDMW080620ZTR JC5118(GG25, GG30)(XDMT080620ZER)(JC8050)Below 300HB(XDMW080635ZTR-S)(JC8015)1502002505542701,85029.852501,50024.452501,20015.142201,75035.71801,45029.51801,20019.4 300 3.5 250 1,200 13.3 3.5 180 1,200 17 100 4 250 1,100 20.7 4 200 1,000 24.1 Nodular cast ironFCD500, FCD700XDMW080620ZTRJC5118(GGG50, GGG70)(XDMT080620ZER)(JC8050)150200Below 300HB(XDMW080635ZTR-S)(JC8015)2504332308501642007009.932005507.8317080019.215060010.81505009 300 2.5 200 550 6.5 2.5 150 500 7.5 100 4 250 800 15.4 4 200 700 17.2 Stainless steelSUS304Below 250HBXDMT080620ZER(-ML)JC7560(XDMT080620ZER)(JC8050)150200250443.520018018065012.545009.644507.63.5160150150600 14.750012.34008.6 300 3 180 400 5.8 3 150 350 6.5 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. C118 4) We recommend to use XDMW080635ZTR-S JC8015 (negative geometry inserts) for material having sandinclusions and uneven removal stocks.