Solid Carbide Endmills Recommended Cutting Conditions Table 028 H600 Seires EHSCC4, EHSCH4 (H600 Series, vc, rpm and feed increase 20%) G550 Seires EPSCC4 Material CARBON STEEL / ALLOY STEEL ALLOY STEEL / TOOL STEELSCM, SKT, SKD PREHARDENED STEELNAK80 CENA1 Hardness HB180~250 HRC25~35 HRC35~45 Vc 96 (m/min) 76 (m/min) 63 (m/min) Dia RPM Feed (mm/min) ap(mm) ae (mm) RPM Feed (mm/min) ap (mm) ae(mm) RPM Feed (mm/min) ap(mm) ae(mm) 3mm 10160 610 3 0.15 8000 480 3 0.15 6708 402 3 0.15 4mm 7640 610 4 0.2 6048 483 4 0.2 5032 402 4 0.2 6mm 5096 712 6 0.3 4032 564 6 0.3 3360 470 6 0.3 8mm 3816 534 8 0.4 3024 423 8 0.4 2512 352 8 0.4 10mm 3056 366 10 0.5 2416 290 10 0.5 2012 240 10 0.5 12mm 2544 304 12 0.6 2016 242 12 0.6 1680 202 12 0.6 Material HARDENED STEELSKD61, SKD11 STAINLESS STEELSUS304 316 CAST IRONFC / FCD Hardness HRC 40~55) Vc 38 (m/min) 63 (m/min) 96 (m/min) Dia RPM Feed (mm/min) ap(mm) ae (mm) RPM Feed (mm/min) ap (mm) ae(mm) RPM Feed (mm/min) ap(mm) ae(mm) 3mm 4076 244 3 0.15 6708 402 3 0.15 10160 610 3 0.15 4mm 3056 244 4 0.2 5032 402 4 0.2 7640 610 4 0.2 6mm 2038 285 6 0.3 3360 470 6 0.3 5096 712 6 0.3 8mm 1528 214 8 0.4 2512 352 8 0.4 3816 534 8 0.4 10mm 1222 146 10 0.5 2012 240 10 0.5 3056 366 10 0.5 12mm 1016 122 12 0.6 1680 202 12 0.6 2544 304 12 0.6 1.Use as highly rigid and accurate machine as possible. 2.If the rpm available is lower than the recommend condition, please reduce the feed rate to the same ratio. 3.Use long shank type please reduce the rpm and feed rate. 4.The Feed and RPM may be changed depending on the M/C conditions ,lubricating and cooling system. A227