171 Cutting conditions / Schnittwertempfehlungen VHGT VHGT 3 060 078 06 02 Workpiece Material: Graphite Van Hoorn Competitor Ø 6,0 mm 6,0 mm V c 547 m/min 547 m/min n 29.000 rpm 29.000 rpm F z 0,023 mm/t 0,005 mm/t Z 3 3 V f 2.000 mm/min 580 mm/min a p 3,0 mm 3,0 mm a e 0,5 mm 0,5 mm Coolant air air Q 3,00 mm3/min 0,87 mm3/min Tool life 7 h 14 min 2 h 37 min • More accuracy Höhere Genauigkeit • Smooth surface on the workpiece Glatte Werkstückoberflächen • Better tool life Längere Standzeit Slot milling / Nutfräsen ap max. (mm) ae max. (mm) Fz (mm/tooth) < 2,0 2,0 0,010 - 0,030 < 3,0 3,0 0,015 - 0,040 < 4,0 4,0 0,025 - 0,050 < 5,0 5,0 0,035 - 0,060 < 6,0 6,0 0,045 - 0,080 < 8,0 8,0 0,055 - 0,100 < 10,0 10,0 0,075 - 0,120 < 12,0 12,0 0,090 - 0,140 Shoulder milling / Eckfräsen ap max. (mm) ae max. (mm) Fz (mm/tooth) < 4,0 < 0,4 0,012 - 0,036 < 6,0 < 0,6 0,018 - 0,048 < 8,0 < 0,8 0,030 - 0,060 < 10,0 < 1,0 0,042 - 0,072 < 12,0 < 1,2 0,054 - 0,096 < 16,0 < 1,6 0,066 - 0,120 < 20,0 < 2,0 0,090 - 0,144 < 24,0 < 2,4 0,108 - 0,168 Ød (mm) 2,0 3,0 4,0 5,0 6,0 8,0 10,0 12,0 Material group TSR Hardness (N/mm2) HB N5.4 N5.5 N5.6 Cutting speed Vc m/min < 600 < 600 350 - 500 Coolant air air air ap a e = Ød ap ae ap up to 2,0 x d ae up to 0,2 x d ap up to 1,00 x d
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