65 Cutting conditions / Schnittwertempfehlungen VHTF2 / VHTF4 Torus end mills: Torusfräser: • High effective cutting speed Hohe Schnittgeschwindigkeit • Optimized surface finish Optimale Oberflächenqualität • 2 Flute and 4 flute 2 Schneiden und 4 Schneiden • Finishing, Semi finishing and roughing Schlicht-, semi-Schlicht und Schruppbearbeitung Material group TSR Hardness (N/mm2) HB P1.1 < 750 < 250 P1.2 < 1000 < 300 P1.3 < 1400 < 400 H2.1 42-50 HRc H2.2 50-55 HRc H2.3 55-70 HRc K4.1 Cutting speed Vc m/min 150 - 250 120 - 200 100 - 160 120 - 180 150 - 200 200 - 250 100 - 200 Coolant emulsion emulsion emulsion min.lub. min.lub. min.lub. emulsion Roughing Schruppen Finishing Schlichten ap ae= Ød ap ae= Ød Shoulder milling / Eckfräsen ap max. (mm) ae max. (mm) Fz (mm/tooth) < 0,7 < 0,03 0,025 - 0,040 < 1,0 < 0,04 0,030 - 0,050 < 1,5 < 0,06 0,040 - 0,060 < 2,0 < 0,10 0,050 - 0,080 < 2,5 < 0,13 0,060 - 0,110 < 3,0 < 0,18 0,065 - 0,125 < 4,0 < 0,24 0,080 - 0,130 < 5,0 < 0,30 0,085 - 0,135 < 6,0 < 0,36 0,100 - 0,140 < 8,0 < 0,50 0,100 - 0,150 Shoulder milling / Eckfräsen ap max. (mm) ae max. (mm) Fz (mm/tooth) < 1,5 < 0,15 0,025 - 0,040 < 2,0 < 0,2 0,030 - 0,050 < 3,0 < 0,30 0,040 - 0,060 < 4,0 < 0,40 0,050 - 0,080 < 5,0 < 0,50 0,060 - 0,110 < 6,0 < 0,60 0,065 - 0,125 < 8,0 < 0,80 0,080 - 0,130 < 10,0 < 1,00 0,085 - 0,135 < 12,0 < 1,20 0,100 - 0,140 < 16,0 < 1,60 0,100 - 0,150 Ød (mm) 1,5 2 3,0 4,0 5,0 6,0 8,0 10,0 12,0 16,0 P1.1 / P1.2 / P1.3 H2.1 / H2.2 / H2.3
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