® PXM Exchangeable Head End Mill Cutting Conditions (PXBE-N) Contouring Hardness Up to 30 HRC 30-45 HRC 45-55 HRC 55-60 HRC WorkMaterial Mild SteelsCarbon SteelsCast IronAlloy Steels Hardened SteelsTool SteelsPre-hardened SteelsHardened Steels Hardened Steels Depth of Cut Ø0.500: Aa=0.07Dc • Ar=0.15Dc Ø0.500: Aa=0.05Dc • Ar=0.1Dc Aa=0.03Dc •≥Ø0.625: Aa=0.05Dc • Ar=0.15Dc≥Ø0.625: Aa=0.03Dc • Ar=0.1DcAr=0.05Dc 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 6600 116.14 6600 116.14 5300 74.80 3950 45.27 2600 15.75 1/2 - 6235 109.74 6235 109.74 4970 70.08 3715 42.72 2230 13.38 5/8 - 4990 89.32 4990 89.32 3975 57.24 2970 35.64 1925 11.94 - 16 4950 88.58 4950 88.58 3950 57.09 2950 35.43 1900 11.81 3/4 - 4155 72.30 4155 72.30 3310 47.66 2475 31.19 1680 10.25 - 20 3950 68.90 3950 68.90 3150 45.27 2350 29.53 1600 9.84 - 25 3160 55.30 3160 55.30 2520 36.29 1880 23.50 1280 7.68 1 - 3110 54.42 3110 54.42 2485 35.78 1850 23.12 1260 7.56 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 (PXBM) 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=0.02Dc • Ar=0.05Dc 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 6600 153.54 6600 153.54 5300 98.42 3950 59.05 2600 21.65 1/2 - 6235 145.28 6235 145.28 4970 92.44 3715 55.35 2230 18.51 5/8 - 4990 178.64 4990 178.64 3975 114.88 2970 71.28 1925 23.87 - 16 4950 177.16 4950 177.16 3950 114.17 2950 70.87 1900 23.62 3/4 - 4155 145.01 4155 145.01 3310 95.00 2475 62.12 1680 20.66 - 20 3950 137.79 3950 137.79 3150 90.55 2350 59.05 1600 19.68 - 25 3160 110.60 3160 110.60 2520 71.82 1880 47.00 1280 15.75 1 - 3110 108.85 3110 108.85 2485 70.82 1850 46.25 1260 15.50 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 WWW.OSGTOOL.COM OSG PHOENIX® PXM 1301