SQUAREBALLRADIUSTAPERBARRELROUGHINGSOLID END MILLS CARBIDE RECOMMENDED CUTTING CONDITIONS Graphite Copper, Copper alloy Work Material Table feed Table feed RE LF Revolution Depth of cut Width of cut Revolution Depth of cut Width of cut (mm) (mm) (min-1) (mm/min) (IPM) ap (mm) ae (mm) (min-1) (mm/min) (IPM) ap (mm) ae (mm) R3 100 1600015012000 19001200 74.847.2 0.60.4 1.5 16000 1500 59.1 0.61.21200096037.80.41.51.2 R4 110 120001509200 20001400 78.755.1 0.80.6 2.0 12000 1600 63 0.81.69200110043.30.62.01.6 R5 120180 95007300 22001500 86.659.1 1.00.8 2.5 9500 1800 70.9 1.02.07300120047.20.82.52.0 R6 130200 80006100 18001200 70.947.2 1.21.0 3.0 8000 1400 55.1 1.22.5610096037.81.03.02.5 ae Depth of cut ap Note 1) When high machining accuracy is needed, or work material becomes chipped, we recommend lowering feed rate. Note 2) Use a milling machine dedicated for graphite. Note 3) If rigidity of machine or work materials installation is very low, or chattering and noise are generated, reduce revolution and feed rate proportionately. I I259