Catalogue 202 - Burrs - PFERD

HSS Rotary CuttersHSS Rotary CuttersCut Alu Cut 1without chip breakerCut 2with chip breakerCut 3with chip breakerCut 5without chip breakerRecommended rotational speed rangeTo determine the recommended cutting speed[m/min], please proceed as follows:➊ Select the material group that is to bemachined.➋ Determine the type of application.➌ Select the cut.➍ Establish the cutting speed range.To determine the recommended rotationalspeed [RPM], please proceed as follows:➎ Select the required cutter diameter.➏ The cutting speed range and the cutterdiameter determine the recommendedrotational speed range [RPM].➊ Material groups ➋ Application ➌ Cut ➍ Cutting speedSteel,cast steelNon-hardened,non-heat treatedsteels up to1200 N/mm²(< 38 HRC)Construction steels,carbon steels,tool steels,non-alloyed steels,case-hardened steels,cast steelsCoarse machining =high stock removalFine machining =low stock removal260 - 80 m/min33 80 - 100 m/min5 60 - 80 m/minStainless steel (INOX)Rust andacid-resistantsteelsAustenitic andferritic stainless steelsCoarse machining =high stock removalFine machining =low stock removal1 60 - 80 m/min1 80 - 100 m/min2 60 - 80 m/minNon-ferrous metalsSoft non-ferrousmetalsAlu-alloys, brass, copper, zincCoarse machining =high stock removalFine machining =low stock removalALU200 - 300 m/min12 200 - 250 m/minCast ironGrey cast iron,white cast ironCast iron with flake graphiteEN-GJL, with nodular graphitecast iron EN-GJS, white annealedcast iron EN-GJMW,black cast iron EN-GJMBCoarse machining =high stock removalFine machining =low stock removal233560 - 80 m/min80 - 100 m/minPlastics and othermaterialsFibre-reinforced thermoplastics,duroplastics, hard rubber, woodCoarse machining =high stock removalFine machining =low stock removalALU200 - 300 m/min11 250 - 300 m/min2 200 - 250 m/minExample:HSS rotary cutter, cut 2Diameter: 12 mm.Rough chipping of non-hardened,non-tempered steels.Cutting speed: 60 - 80 m/minRotational speed: 1.600 - 2.100 RPM➏ Cutting speed [m/min]➎ Dia.60 80 100 200 250 300[mm]Rotational Speed [RPM]1,6 12.000 16.000 19.900 39.800 49.800 59.7002,3 8.400 11.100 13.900 27.700 34.600 41.6003,2 6.000 8.000 10.000 19.900 24.900 29.9004,0 4.800 6.400 8.000 16.000 19.900 23.9005,0 3.900 5.100 6.400 12.800 16.000 19.1006,0 3.200 4.300 5.400 10.700 13.300 16.0007,0 2.800 3.700 4.600 9.100 11.400 13.7008,0 2.400 3.200 4.000 8.000 10.000 12.00010,0 2.000 2.600 3.200 6.400 8.000 9.60012,0 1.600 2.200 2.700 5.400 6.700 8.00014,0 1.400 1.900 2.300 4.600 5.700 6.90016,0 1.200 1.600 2.000 4.000 5.000 6.00044 I 202