306633 1477 Competitor A: carbide Competitor B: CBN CBN-Karnasch 306633 0.16 0.14 0.12 0.10 0.08 0.06 0.04 0.02 Blank wear at ball nose/mm tool life m ae ap 0.1 mm 0.05 mm Art. 30 6633 Material Speed Feed Coolant CBN Ø 2.0 x l3 = 4 SKD11 (62HRC) 20,000 min-1 (40m/min) 1,700 mm/min Air Machine Benchmark test Competitor B CBN Karnasch Competitor A Vertical machining centre / HSK-E32 Recommended cutting data for Karnasch CBN ball nose mills Material group 8.1 – 8.11 – 12.0 / 45-55 HRC Toolox – Hardox 400 – Stavax 8.2 – 12.1 / 55-60 HRC Hardox 500 – Vanadis4 superclean 8.3 / 60-70 HRC DC 53 – CPM 420V Powder steel d1 l3 rpm Vf mm/min ap mm ae mm rpm Vf mm/min ap mm ae mm rpm Vf mm/min ap mm ae mm 1.2 × 3.0 45,000 2,400 0.030 0.050 45,000 2,400 0.020 0.030 45,000 2,000 0.020 0.020 1.2 × 4.0 42,000 2,300 0.020 0.050 42,000 2,300 0.020 0.030 42,000 1,500 0.010 0.020 1.2 × 5.0 40,000 2,200 0.020 0.050 40,000 2,000 0.020 0.030 40,000 1,200 0.010 0.020 1.2 × 6.0 38,000 2,100 0.020 0.030 38,000 1,600 0.010 0.020 38,000 1,000 0.010 0.010 1.2 × 7.0 35,000 2,000 0.020 0.030 35,000 1,500 0.010 0.020 35,000 900 0.010 0.010 1.2 × 8.0 32,000 1,800 0.020 0.030 32,000 1,200 0.010 0.020 32,000 800 0.010 0.010 1.2 × 10.0 30,000 1,500 0.010 0.020 30,000 800 0.005 0.010 30,000 700 0.005 0.008 1.2 × 12.0 28,000 1,000 0.010 0.010 28,000 700 0.005 0.008 28,000 500 0.005 0.005 1.2 × 16.0 28,000 1,000 0.007 0.007 28,000 700 0.005 0.005 28,000 500 0.003 0.003 1.5 × – 40,000 2,600 0.040 0.040 40,000 2,180 0.030 0.030 40,000 1,630 0.020 0.030 1.5 × 2.0 40,000 2,300 0.040 0.040 40,000 1,920 0.030 0.030 40,000 1,530 0.020 0.030 1.5 × 3.0 40,000 2,100 0.030 0.030 40,000 1,700 0.025 0.025 40,000 1,380 0.020 0.020 1.5 × 4.0 40,000 2,000 0.030 0.030 40,000 1,700 0.025 0.025 40,000 1,300 0.020 0.020 1.5 × 6.0 40,000 2,000 0.030 0.030 40,000 1,700 0.025 0.025 40,000 1,200 0.010 0.020 1.5 × 8.0 35,000 2,000 0.020 0.030 35,000 1,700 0.010 0.025 35,000 1,100 0.010 0.010 1.5 × 10.0 32,000 1,500 0.020 0.020 32,000 1,200 0.010 0.020 32,000 800 0.005 0.010 1.5 × 12.0 28,000 1,200 0.010 0.020 28,000 1,000 0.010 0.010 28,000 600 0.005 0.008 1.5 × 14.0 25,000 900 0.010 0.010 25,000 650 0.010 0.005 25,000 550 0.005 0.005 1.5 × 15.0 25,000 800 0.010 0.010 25,000 700 0.010 0.005 25,000 500 0.005 0.005 1.5 × 16.0 25,000 600 0.010 0.005 25,000 500 0.005 0.005 25,000 350 0.002 0.002 1.5 × 18.0 25,000 300 0.010 0.005 25,000 200 0.005 0.005 25,000 100 0.002 0.002 2.0 × – 50,000 6,000 0.100 0.100 50,000 5,000 0.100 0.100 50,000 4,500 0.070 0.070 2.0 × 2.0 50,000 5,000 0.100 0.100 50,000 4,500 0.100 0.100 50,000 4,000 0.070 0.070 2.0 × 3.0 50,000 4,000 0.100 0.100 50,000 4,000 0.070 0.070 50,000 3,500 0.050 0.050 2.0 × 4.0 50,000 4,000 0.100 0.100 50,000 4,000 0.050 0.050 50,000 3,000 0.030 0.050 2.0 × 5.0 50,000 4,000 0.100 0.100 50,000 3,800 0.050 0.050 50,000 2,800 0.030 0.050 2.0 × 6.0 40,000 4,000 0.050 0.080 40,000 3,500 0.030 0.030 40,000 2,500 0.020 0.030 2.0 × 8.0 35,000 3,000 0.030 0.050 35,000 2,500 0.020 0.030 35,000 1,800 0.010 0.020 2.0 × 10.0 25,000 2,000 0.020 0.030 25,000 1,500 0.010 0.030 25,000 1,200 0.010 0.020 2.0 × 12.0 20,000 1,500 0.020 0.030 20,000 1,200 0.010 0.030 20,000 1,000 0.010 0.020 2.0 × 15.0 18,000 1,000 0.010 0.020 18,000 900 0.010 0.020 18,000 800 0.010 0.010 2.0 × 18.0 15,000 800 0.010 0.010 15,000 800 0.010 0.010 15,000 600 0.008 0.008 2.0 × 20.0 12,000 600 0.008 0.008 12,000 500 0.008 0.008 12,000 400 0.005 0.005 3.0 × 5.0 40,000 5,000 0.150 0.150 40,000 4,000 0.100 0.100 40,000 3,000 0.080 0.080 3.0 × 8.0 30,000 4,000 0.100 0.100 30,000 3,000 0.080 0.080 30,000 2,000 0.060 0.060 3.0 × 10.0 22,000 3,000 0.050 0.050 22,000 2,000 0.040 0.040 22,000 1,500 0.040 0.040 3.0 × 15.0 15,000 1,500 0.030 0.050 15,000 1,000 0.030 0.030 15,000 1,000 0.030 0.030 3.0 × 20.0 10,000 1,000 0.010 0.020 10,000 800 0.020 0.020 10,000 800 0.020 0.020 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
RkJQdWJsaXNoZXIy MTgxNTQ=