SQUAREBALLRADIUSTAPERBARRELROUGHINGSOLID END MILLS CARBIDE RECOMMENDED CUTTING CONDITIONS Hardened steel (45 ─55HRC) Hardened steel (55 ─62HRC) Work Material AISI H13 etc. AISI D2 etc. DC LU Revolution Table feed Depth of cut per pass Revolution Table feed Depth of cut per pass (mm) (mm) (min-1) (mm/min) (IPM) ap (mm) (min-1) (mm/min) (IPM) ap (mm) 0.1 0.5 40000 100 3.9 0.002 40000 80 3.1 0.001 0.6 40000 400 15.7 0.004 40000 360 14.2 0.004 0.2 1 40000 300 11.8 0.003 40000 250 9.8 0.002 1.5 40000 200 7.9 0.002 40000 150 5.9 0.001 1 40000 500 19.7 0.006 40000 450 17.7 0.004 0.3 2 40000 400 15.7 0.003 38000 350 13.8 0.002 3 38000 250 9.8 0.002 36000 200 7.9 0.001 1 40000 800 31.5 0.008 36000 500 19.7 0.006 0.4 2 40000 500 19.7 0.007 30000 350 13.8 0.005 4 36000 300 11.8 0.004 27000 200 7.9 0.003 2 40000 800 31.5 0.01 30000 600 23.6 0.009 0.5 4 36000 600 23.6 0.008 27000 450 17.7 0.007 6 30000 400 15.7 0.005 22000 300 11.8 0.004 2 40000 1000 39.4 0.015 30000 700 27.6 0.012 0.6 4 36000 800 31.5 0.01 27000 500 19.7 0.01 6 30000 600 23.6 0.006 22000 350 13.8 0.006 4 36000 1200 47.2 0.03 27000 900 35.4 0.02 0.8 68 3000024000 900600 35.4 0.0223.60.01 2200018000 650450 25.6 0.01517.70.008 10 20000 400 15.7 0.008 15000 300 11.8 0.005 4 32000 1600 63.0 0.05 24000 1100 43.3 0.04 6 32000 1400 55.1 0.04 24000 1000 39.4 0.03 I 1 8 28000 1000 39.4 0.03 21000 750 29.5 0.02 10 28000 800 31.5 0.02 21000 600 23.6 0.015 12 24000 500 19.7 0.02 18000 370 14.6 0.01 6 22000 1200 47.2 0.08 16000 900 35.4 0.06 8 22000 1100 43.3 0.07 16000 800 31.5 0.05 1.5 10 22000 1000 39.4 0.06 16000 750 29.5 0.04 12 20000 800 31.5 0.05 15000 600 23.6 0.03 16 18000 500 19.7 0.03 13000 350 13.8 0.02 6 16000 1000 39.4 0.15 12000 750 29.5 0.15 8 16000 1000 39.4 0.15 12000 750 29.5 0.1 2 1012 1600016000 800800 31.5 0.131.50.08 1200012000 600600 23.6 0.0823.60.06 16 15000 600 23.6 0.06 11000 450 17.7 0.05 20 14000 500 19.7 0.05 10000 350 13.8 0.04 12 11000 800 31.5 0.2 8200 600 23.6 0.15 3 16 11000 600 23.6 0.15 8200 450 17.7 0.15 20 11000 500 19.7 0.1 8200 350 13.8 0.1 DC Depth of cut < ap DC : Dia. Note 1) If the depth of cut is smaller than this table, feed rate can be increased. Note 2) Cutting conditions may differ considerably due to the overhang, depth of cut, and machine tool conditions. Please use the above table as a start reference point. I185