Solid Carbide Endmills Recommended Cutting Conditions Table 026 H600 Seires EHSSC4, EHSHC4 (H600 Series, vc, rpm and feed increase 20%) G550 Seires EPSSC3, EPSSC4, EPSSA4 G450 Seires EPSSA4 Material CARBON STEEL / ALLOY STEEL ALLOY STEEL / TOOL STEELSCM, SKT, SKD PREHARDENED STEELNAK80 CENA1 Hardness HB180~250 HRC25~35 HRC35~45 Vc 120 (m/min) 95 (m/min) 79 (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 12700 762 3 0.15 10000 600 3 0.15 8386 503 3 0.15 4mm 9550 764 4 0.2 7560 604 4 0.2 6290 503 4 0.2 6mm 6370 890 6 0.3 5040 705 6 0.3 4200 588 6 0.3 8mm 4770 668 8 0.4 3780 529 8 0.4 3140 440 8 0.4 10mm 3820 458 10 0.5 3020 362 10 0.5 2515 301 10 0.5 12mm 3180 380 12 0.6 2520 302 12 0.6 2100 252 12 0.6 Material HARDENED STEELSKD61, SKD11 STAINLESS STEELSUS304 316 CAST IRONFC / FCD Hardness HRC 40~55) Vc 48 (m/min) 79 (m/min) 120 (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 5095 305 3 0.15 8386 503 3 0.15 12700 503 3 0.15 4mm 3820 305 4 0.2 6290 503 4 0.2 9550 503 4 0.2 6mm 2548 356 6 0.3 4200 588 6 0.3 6370 588 6 0.3 8mm 1910 267 8 0.4 3140 440 8 0.4 4770 440 8 0.4 10mm 1528 183 10 0.5 2515 301 10 0.5 3820 301 10 0.5 12mm 1274 152 12 0.6 2100 252 12 0.6 3180 252 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. A225