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2BCBN / 2SBCBN RPM : rev./min Feed : mm/min

Material Prehardened Steels / Hardened Steels Hardened Steels Hardened Steels
Hardness NAK / SKD61 STAVX / SKD61 SKD11 / YXR7 / SKH51

30HRc ~ 45HRc 45HRc ~ 55HRc 55HRc ~ 68HRc

Radius Effective Length RPM FEED Ap Ae RPM FEED Ap Ae RPM FEED Ap Ae
R 0.1 Length of cut
R 0.15 50,000 326 Axial Depth Radial Depth 50,000 216 Axial Depth Radial Depth 50,000 120 Axial Depth Radial Depth
R 0.2 0.2 50,000 308 50,000 198 50,000 110
R 0.25 0.5 50,000 800 0.005 0.005 50,000 520 0.004 0.004 50,000 410 0.003 0.003
R 0.3 0.3 50,000 720 0.004 0.004 50,000 450 0.003 0.003 50,000 390 0.002 0.003
0.5 50,000 650 0.006 0.010 50,000 410 0.004 0.005 50,000 350 0.003 0.005
R 0.4 1 50,000 1,120 0.006 0.010 50,000 750 0.003 0.005 50,000 650 0.003 0.005
0.3 50,000 1,050 0.006 0.010 50,000 710 0.003 0.005 50,000 600 0.003 0.004
R 0.5 1 50,000 540 0.010 0.010 50,000 360 0.005 0.006 50,000 310 0.005 0.005
3 50,000 1,420 0.010 0.010 50,000 1,210 0.005 0.005 50,000 1,030 0.005 0.005
R 0.75 0.4 50,000 1,290 0.005 0.005 50,000 1,100 0.003 0.003 50,000 980 0.002 0.003
R1 1 50,000 1,090 0.010 0.020 50,000 850 0.050 0.010 50,000 730 0.005 0.001
3 50,000 2,300 0.010 0.015 50,000 1,890 0.005 0.010 50,000 1,520 0.005 0.010
R 1.5 0.5 50,000 2,180 0.010 0.015 50,000 1,760 0.005 0.010 50,000 1,490 0.005 0.010
1 40,000 1,300 0.020 0.020 40,000 1,060 0.015 0.015 40,000 870 0.010 0.010
R2 3 30,000 650 0.020 0.020 30,000 590 0.010 0.010 30,000 390 0.010 0.010
R3 5 50,000 2,600 0.015 0.020 50,000 1,980 0.010 0.010 50,000 1,720 0.010 0.010
0.6 40,000 2,100 0.015 0.050 40,000 1,450 0.010 0.010 40,000 1,210 0.005 0.005
2 30,000 1,540 0.020 0.030 30,000 940 0.020 0.020 30,000 840 0.010 0.020
4 24,000 970 0.015 0.020 24,000 650 0.015 0.015 24,000 470 0.010 0.010
8 40,000 2,560 0.015 0.015 40,000 1,980 0.010 0.015 40,000 1,590 0.010 0.010
1.5 30,000 2,100 0.010 0.010 30,000 1,650 0.005 0.010 30,000 1,240 0.005 0.005
3 30,000 1,700 0.030 0.040 30,000 1,360 0.020 0.030 30,000 1,080 0.020 0.020
5 16,000 780 0.030 0.030 16,000 620 0.020 0.030 16,000 500 0.020 0.020
10 40,000 2,300 0.030 0.030 40,000 1,920 0.015 0.020 40,000 1,530 0.010 0.015
2 30,000 2,010 0.015 0.015 30,000 1,600 0.010 0.015 30,000 1,280 0.010 0.010
4 30,000 1,700 0.040 0.040 30,000 1,360 0.030 0.030 30,000 1,080 0.020 0.030
8 40,000 3,310 0.030 0.030 40,000 2,640 0.025 0.025 40,000 2,110 0.020 0.020
2 40,000 3,020 0.030 0.030 40,000 2,410 0.020 0.030 40,000 1,930 0.010 0.010
6 24,000 1,210 0.050 0.050 24,000 970 0.040 0.040 24,000 770 0.030 0.040
10 16,000 920 0.030 0.040 16,000 780 0.030 0.030 16,000 630 0.020 0.030
14 40,000 2,500 0.020 0.030 40,000 2,000 0.010 0.030 40,000 1,600 0.010 0.020
3 32,000 2,100 0.010 0.020 32,000 1,680 0.010 0.010 32,000 1,340 0.010 0.010
6 21,000 1,700 0.030 0.040 21,000 1,360 0.030 0.030 21,000 1,080 0.020 0.030
10 16,000 1,100 0.030 0.030 16,000 880 0.020 0.030 16,000 700 0.020 0.030
16 40,000 2,100 0.020 0.030 40,000 1,680 0.020 0.020 40,000 1,340 0.010 0.020
4 21,000 1,620 0.020 0.030 21,000 1,290 0.010 0.020 21,000 1,030 0.010 0.010
10 16,000 1,060 0.030 0.040 21,000 840 0.030 0.030 16,000 670 0.020 0.030
16 0.020 0.030 0.020 0.020 0.010 0.020
16,000~ 960~ 0.010 0.020 13,000~ 780~ 0.010 0.020 11,000~ 540~ 0.010 0.010
50,000 8000 50,000 6,000 50,000 4,000
0.050 0.060 0.050 0.060 0.050 0.060

Depth of Cut

205 JJ TOOLS