| | | | | | | | | | | | | | | | | | | | | | | | Mm | mm L1 | DEPTH OF CUT JJJ | 1^ | | HARDENED STEELS PREHARDENED STEELS SKD61■NAK55-NAK80-HPM1 (-45HRC) | HARDENED STEELS PREHARDENED STEELS SKD61-STAVAX-HPM38 (45-55HRC) | mum HARDENED STEELS (55-65HRC) | | | | v J | | | | | | XT | | | | | | | | Ba = 120% Br=120% | Ba = 100% Br =100% | Ba=60% Br =80% | | | | «SIRI Ba | Br | seas SPEED (min-1) | soas FEED (mm/min) | seas SPEED (min-1) | soas FEED (mm/min) | seas SPEED (min-1) | soas FEED (mm/min) | | | | R0.1 | R0.2 | R0.3 | R0.5 | R1 | | | | 0.6 | 0° | 2 | 0.015 | - | - | - | - | 0.018 | 31,000 | 1,050 | 26,500 | 850 | 24,000 | 690 | | | | 4 | 0.012 | - | - | - | - | 0.012 | 26,000 | 740 | 22,000 | 600 | 20,000 | 490 | | | | 6 | 0.006 | - | - | - | - | 0.009 | 22,500 | 530 | 19,000 | 430 | 17,000 | 350 | | | | 0.8 | 0° | 4 | 0.015 | 0.02 | - | - | - | 0.02 | 29,000 | 1,200 | 25,500 | 1,050 | 23,500 | 790 | | | | 6 | 0.012 | 0.016 | - | - | - | 0.014 | 23,500 | 850 | 21,000 | 720 | 19,500 | 550 | | | | 8 | 0.006 | 0.008 | - | - | - | 0.01 | 22,000 | 690 | 19,500 | 590 | 18,000 | 445 | | | | 1° | 5 | 0.015 | 0.02 | - | - | - | 0.02 | 26,500 | 1,150 | 26,500 | 1,100 | 26,500 | 905 | | | | 8 | 0.015 | 0.02 | - | - | - | 0.02 | 25,000 | 1,000 | 25,000 | 975 | 25,000 | 795 | | | | 3° | 5 | 0.015 | 0.02 | - | - | - | 0.02 | 26,500 | 1,200 | 26,500 | 1,150 | 26,500 | 940 | | | | 8 | 0.015 | 0.02 | - | - | - | 0.02 | 25,000 | 1,100 | 25,000 | 1,100 | 25,000 | 880 | | | | 1 | 0° | 4 | 0.015 | 0.02 | 0.03 | - | - | 0.03 | 27,000 | 1,500 | 24,500 | 1,250 | 22,500 | 995 | | | | 6 | 0.015 | 0.02 | 0.03 | - | - | 0.027 | 24,000 | 1,200 | 21,500 | 1,000 | 20,000 | 800 | | | | 8 | 0.009 | 0.012 | 0.018 | - | - | 0.021 | 21,000 | 950 | 19,000 | 790 | 17,500 | 620 | | | | 10 | 0.006 | 0.008 | 0.012 | - | - | 0.015 | 19,500 | 770 | 17,500 | 640 | 16,500 | 505 | | | | 12 | 0.004 | 0.006 | 0.009 | - | - | 0.013 | 18,000 | 670 | 16,000 | 560 | 15,000 | 440 | | | | 16 | 0.003 | 0.004 | 0.006 | - | - | 0.01 | 14,500 | 470 | 13,000 | 390 | 12,000 | 310 | | | | 20 | 0.003 | 0.003 | 0.004 | - | - | 0.009 | 12,000 | 340 | 11,000 | 280 | 10,000 | 220 | | | | 1° | 6 | 0.015 | 0.02 | 0.03 | - | - | 0.03 | 30,000 | 1,700 | 27,000 | 1,400 | 25,000 | 1,100 | | | | 10 | 0.015 | 0.02 | 0.03 | - | - | 0.03 | 27,000 | 1,350 | 24,500 | 1,150 | 22,500 | 895 | | | | 15 | 0.01 | 0.014 | 0.021 | - | - | 0.021 | 24,000 | 1,100 | 21,500 | 900 | 20,000 | 710 | | | | 20 | 0.007 | 0.01 | 0.015 | - | - | 0.018 | 21,000 | 890 | 19,000 | 740 | 17,500 | 580 | | | | 25 | 0.006 | 0.008 | 0.012 | - | - | 0.012 | 19,500 | 770 | 17,500 | 640 | 16,500 | 505 | | | | 30 | 0.003 | 0.004 | 0.006 | - | - | 0.009 | 15,000 | 550 | 13,500 | 460 | 12,500 | 360 | | | | 35 | 0.001 | 0.002 | 0.003 | - | - | 0.007 | 13,500 | 460 | 12,000 | 380 | 11,500 | 300 | | | | 3° | 6 | 0.015 | 0.02 | 0.03 | - | - | 0.03 | 30,000 | 1,700 | 27,000 | 1,400 | 25,000 | 1,100 | | | | 10 | 0.006 | 0.008 | 0.012 | - | - | 0.015 | 27,000 | 1,500 | 24,500 | 1,250 | 22,500 | 995 | | | | 1.2 | 0° | 6 | - | 0.016 | 0.024 | - | - | 0.036 | 22,500 | 1,450 | 21,000 | 1,250 | 19,000 | 960 | | | | 8 | - | 0.009 | 0.013 | - | - | 0.028 | 20,000 | 1,150 | 18,500 | 980 | 17,000 | 760 | | | | 10 | - | 0.005 | 0.008 | - | - | 0.021 | 18,500 | 1,000 | 17,500 | 860 | 16,000 | 670 | | | | 1.5 | 0° | 6 | 0.015 | 0.02 | 0.03 | - | - | 0.045 | 21,000 | 1,750 | 18,500 | 1,450 | 16,000 | 1,050 | | | | 8 | 0.015 | 0.02 | 0.03 | - | - | 0.045 | 20,000 | 1,500 | 17,500 | 1,250 | 15,500 | 910 | | | | 10 | 0.013 | 0.018 | 0.027 | - | - | 0.036 | 17,500 | 1,250 | 15,500 | 1,050 | 13,500 | 760 | | | | 12 | 0.009 | 0.012 | 0.018 | - | - | 0.031 | 16,500 | 1,100 | 14,500 | 910 | 12,500 | 670 | | | | 16 | 0.006 | 0.008 | 0.012 | - | - | 0.022 | 11,000 | 640 | 10,000 | 530 | 8,650 | 390 | | | | 1° | 10 | 0.015 | 0.02 | 0.03 | - | - | 0.045 | 22,500 | 1,800 | 20,000 | 1,500 | 17,500 | 1,100 | | | | 15 | 0.015 | 0.02 | 0.03 | - | - | 0.045 | 21,000 | 1,400 | 18,500 | 1,150 | 16,000 | 860 | | | | 20 | 0.012 | 0.016 | 0.024 | - | - | 0.036 | 19,000 | 1,350 | 17,000 | 1,100 | 15,000 | 820 | | | | 25 | 0.01 | 0.014 | 0.021 | - | - | 0.031 | 17,500 | 1,150 | 16,000 | 960 | 13,500 | 705 | | | | 30 | 0.007 | 0.01 | 0.015 | - | - | 0.027 | 16,500 | 1,050 | 14,500 | 850 | 12,500 | 625 | | | | 3° | 10 | 0.015 | 0.02 | 0.03 | - | - | 0.045 | 22,500 | 1,900 | 20,000 | 1,550 | 17,500 | 1,150 | | | | 15 | 0.006 | 0.008 | 0.012 | - | - | 0.045 | 21,000 | 1,750 | 18,500 | 1,450 | 16,000 | 1,050 | | | | 2 | 0° | 8 | 0.015 | 0.02 | 0.03 | 0.05 | - | 0.06 | 16,500 | 1,850 | 16,000 | 1,600 | 15,000 | 1,350 | | | | 10 | 0.015 | 0.02 | 0.03 | 0.05 | - | 0.06 | 15,500 | 1,650 | 15,500 | 1,450 | 14,500 | 1,200 | | | | 12 | 0.015 | 0.02 | 0.03 | 0.05 | - | 0.054 | 14,500 | 1,500 | 14,500 | 1,300 | 13,500 | 1,050 | | | | 16 | 0.009 | 0.012 | 0.018 | 0.03 | - | 0.042 | 13,000 | 1,150 | 12,500 | 1,000 | 12,000 | 830 | | | | 20 | 0.006 | 0.008 | 0.012 | 0.02 | - | 0.03 | 12,000 | 935 | 11,500 | 820 | 11,000 | 675 | | | | 25 | 0.004 | 0.006 | 0.009 | 0.015 | - | 0.027 | 11,000 | 800 | 11,000 | 700 | 10,000 | 580 | | | | | | | | | | | | | | | | | | | | | | |