Indexable Tools Tooling by DIJET Hepta Mill HEPTyPE ■ RECOMMENDED CUTTING CONDITIONS Interrupted Cutting Tool dia. (mm) WorkMaterials Inserts Insert OverhunglengthGradesℓ(mm)80No. of teeth 5NapnVfPc 100No. of teeth 6NapnVf Pc (mm) (min-1) (mm/min) (kW) (mm) (min-1) (mm/min) (kW) 100 4 450 1,800 20.5 4 380 1,800 25.6 Carbon steel XDMW080620ZTR(-ML) JC7560 150 4 400 1,500 17.1 4 350 1,400 19.9 S50C, S55C (XDMT080620ZER) (JC8050) 200 3.5 380 1,200 12 3.5 300 1,100 13.7 (C50, C55) Below (XDMW080620ZTR) (JC8050)250HB250300 32.5 380380 900 7.7 39006.42.5300300 900 9.69008 100 3 450 1,700 14.7 3 380 1,600 17.3 Mold steel HPM7, PX5, KPM30 (1.2311, P20) 30-36HRC XDMW080620ZTR(-ML) (XDMT080620ZER) (XDMW080620ZTR) JC7560(JC8050)(JC8050)15020025032.52.54001,250 10.8 33809006.52.53807505.42.53501,250 13.53009008.93007006.3 300 2 380 750 4.3 2 300 700 5 100 3 350 1,150 10.6 3 300 1,200 13.8 Mold steel 150 3 300 900 8.3 3 250 900 10.4 NAK80, HPM1(1.2311, P21)38-43HRCXDMT080620ZER JC5118 200 2.52502.5 250250 700 5.4 2.55003.82.5200200550 5.34504.3 300 2 250 500 3.1 2 200 450 3.5 100 3 450 1,700 14.7 3 380 1,600 17.3 Die steelSKD61, SKD11(1.2344, 1.2379)Below 255HBXDMW080620ZTR(-ML)(XDMT080620ZER)(XDMW080620ZTR) JC7560(JC8050)(JC8050)15020025032.52.54001,250 10.8 33809006.52.53807505.42.53501,250 13.53009008.93007006.3 300 2 380 750 4.3 2 300 700 5 Hardened die steel 100 2.5 350 550 6.1 2.5 250 500 6.9 SKD61, DAC, DHA XDMW080620ZTR JC5118 150 2.5 300 500 5.6 2.5 200 400 5.6 (1.2344, 1.2379) (XDMW080620ZTR) (JC8015) 200 2 250 320 2.8 2 160 320 3.6 40-50HRC 250 2 250 280 2.5 2 160 280 3.1 100 5 450 2,250 22.9 5 380 2,250 28.7 Grey cast ironFC250, FC300(GG25, GG30)Below 300HBXDMW080620ZTR JC5118(XDMT080620ZER)(JC8050)(XDMW080635ZTR-S)(JC8015)150200250543.54001,90019.353801,50012.243801,3509.73.53502,000263001,70017.33001,40012.2 300 3 380 1,350 8.3 3 300 1,350 10.4 100 4 400 1,350 16.2 4 330 1,200 18 Nodular cast ironFCD500, FCD700(GGG50, GGG70)Below 300HBXDMW080620ZTR(XDMT080620ZER)(XDMW080635ZTR-S) JC5118(JC8050)(JC8015)150200250300432.523501,100 13.2 43008007.233006504.92.53006503.9230025025025090013.57508.56005.66004.5 100 4 400 1,000 12.3 4 300 900 13.8 Stainless steelSUS304Below 250HBXDMT080620ZER(-ML) JC7560(XDMT080620ZER)(JC8050)15020025043.533503003007008.6 465073.56005.53300250250800 12.36008.15005.8 300 2.5 300 600 4.6 2.5 250 450 4.3 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 sandinclusions and uneven removal stocks.C117