ATA International Product Catalogue

807 Cutting speed (m/min) 450 750  (mm) Rotational speed (rpm) 3 48,000 80,000 6 24,000 40,000 8 18,000 30,000 10 14,000 24,000 12 12,000 20,000 16 9,000 17,000 Material groups Application Cutting speed m/min Steel cast steel Non-hardened, non-heat treated steels up to 1200 N/mm 2 (< 38 HRC) Construction steels, carbon steels, tool steels, non-alloyed steels, case-hardened steels, cast steels Coarse machining = high stock removal with impact load 450 - 750 Hardened, heat treated steels exceeding 1200 N/mm 2 (> 38 HRC) tool steels, tempering steels, alloyed steels, cast steels CUT SPECIFICATION STEEL CUT 11 Index 10 9 OIL 8 7 6 5 4 3 2 1