® PXM Exchangeable Head End Mill Cutting Conditions (PXRE) Contouring Hardness Up to 30 HRC 30-45 HRC 45-55 HRC 55-60 HRC WorkMaterial Mild SteelsCarbon SteelsCast IronAlloy SteelsTool SteelsHardened SteelsPre-hardened SteelsHardened Steels Hardened Steels Depth of Cut Aa=0.1r • Ar=0.3Dc Mill Dia. Speed Feed Speed Feed Speed Feed Speed Feed Speed Feed (in) (mm) (RPM) (in/min) (RPM) (in/min) (RPM) (in/min) (RPM) (in/min) (RPM) (in/min) - 12 5800 417.32 4000 255.91 3200 192.91 2700 129.92 2300 86.61 1/2 - 5475 393.65 3780 241.92 3020 182.11 2535 121.93 2170 81.59 5/8 - 4035 472.50 3025 305.53 2415 233.77 2030 155.90 1735 108.44 - 16 4000 468.50 3000 303.15 2400 232.28 2000 153.54 1700 106.30 3/4 - 3360 394.80 2520 268.63 2010 204.02 1690 137.23 1445 89.45 - 20 3200 375.98 2400 255.91 1900 192.91 1600 129.92 1400 86.61 - 25 2560 294.40 1920 192.00 1535 145.80 1280 102.40 1100 68.75 1 - 2520 289.80 1890 189.00 1510 143.45 1260 100.80 1090 67.50 1. Cutting conditions shown above are for contouring with L/D ≤ 3.5xD 2. Adjust/reduce the cutting conditions when the overhang length is longer than 3.5xD Cutting Conditions (PXDR-P) Contouring Hardness Up to 30 HRC 30-45 HRC 45-55 HRC WorkMaterial Mild SteelsCarbon SteelsCast IronAlloy SteelsTool Steels Stainless SteelsHardened Steels Hardened Steels Depth of Cut Aa=0.05r • Ar=0.25Dc Aa=0.03r • Ar=0.25Dc Mill Dia. Speed Feed Speed Feed Speed Feed Speed Feed (in) (mm) (RPM) (in/min) (RPM) (in/min) (RPM) (in/min) (RPM) (in/min) - 12 3980 117.32 3980 94.10 3980 70.47 3980 46.85 1/2 - 3780 111.60 3780 89.30 3780 66.97 3780 44.65 5/8 - 3025 89.32 3025 74.45 3025 53.59 3025 35.73 - 16 2980 88.19 2980 70.47 2980 52.75 2980 35.43 3/4 - 2520 74.40 2520 59.53 2520 44.65 2520 29.76 - 20 2390 70.47 2390 56.30 2390 42.12 2390 28.35 - 25 1920 56.64 1920 45.12 1920 33.98 1920 22.46 1 - 1890 55.75 1890 44.41 1890 33.45 1890 22.11 1. Cutting conditions shown above are for contouring with L/D ≤ 5xD 2. Adjust/reduce the cutting conditions when the overhang length is longer than 5xD WWW.OSGTOOL.COM OSG PHOENIX® PXM 1299