203 Material group TSR Hardness (N/mm2) HB N5.1 < 500 < 150 N5.2 < 400 < 120 N5.3 < 350 < 100 N5.4 N5.5 Cutting speed Vc m/min 350 - 650 200 - 500 350 - 500 400 - 1000 400 - 1000 Coolant emulsion / air emulsion / air emulsion / air emulsion / air emulsion / air ap ae ap ae=Ød Slot milling / Nutfräsen ap max. (mm) ae max. (mm) Fz (mm/tooth) < 4,00 4,00 0,020 - 0,040 < 5,00 5,00 0,024 - 0,048 < 6,00 6,00 0,032 - 0,064 < 8,00 8,00 0,048 - 0,080 < 10,00 10,00 0,064 - 0,096 < 12,00 12,00 0,072 - 0,120 < 16,00 16,00 0,096 - 0,144 < 20,00 20,00 0,120 - 0,184 < 25,00 25,00 0,160 - 0,240 Shoulder milling / Eckfräsen ap max. (mm) ae max. (mm) Fz (mm/tooth) < 8,0 < 1,80 0,025 - 0,050 < 10,0 < 2,25 0,030 - 0,060 < 12,0 < 2,70 0,040 - 0,080 < 16,0 < 3,60 0,060 - 0,100 < 20,0 < 4,50 0,080 - 0,120 < 24,0 < 5,40 0,090 - 0,150 < 32,0 < 7,20 0,120 - 0,180 < 36,0 < 9,00 0,150 - 0,230 < 43,0 < 11,25 0,200 - 0,300 Ød (mm) 4,0 5,0 6,0 8,0 10,0 12,0 16,0 20,0 25,0 Cutting conditions / Schnittwertempfehlungen VHLA3 Van Hoorn 1: VHAD 3 080 063 08 10 Van Hoorn 2: VHLA 3 080 064 08 15 VH Van Hoorn Ø 8,0 mm 8,0 mm V c 500 m/min 500 m/min n 19.849 rpm 19.849 rpm F z 0,100 mm/t 0,060 mm/t Z 3 3 V f 5.968 mm/min 3.581 mm/min a p 16,0 mm 16,0 mm a e 3,6 mm 0,05 mm Coolant emulsion emulsion Q 343,76 mm3/min 28,65 mm3/min Cutting conditions 3xD - 5xD Neck relief ap % ae % Fz % 150 50 85 150 25 60 Ø x D 3 x D 5 x D Cutting conditions 3xD - 5xD Neck relief ap % ae % Fz % 60 100 85 40 100 60
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