Dia. | (Vc) Cutting Speed m/min | D | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | >>100~ | 0.2 | 31,850 | 47,770 | 63,690 | 79,620 | 95,540 | 111,460 | 127,390 | 143,310 | 0.3 | 21,230 | 31,850 | 42,460 | 53,080 | 63,690 | 74,310 | 84,930 | 95,540 | 0.4 | 15,920 | 23,890 | 31,850 | 39,810 | 47,770 | 55,730 | 63,690 | 71,660 | 0.5 | 12,740 | 19,110 | 25,480 | 31,850 | 38,220 | 44,590 | 50,960 | 57,320 | 0.6 | 10,620 | 15,920 | 21,230 | 26,540 | 31,850 | 37,150 | 42,460 | 47,770 | 0.7 | 9,100 | 13,650 | 18,200 | 22,750 | 27,300 | 31,850 | 36,400 | 40,950 | 0.8 | 7,960 | 11,940 | 15,920 | 19,900 | 23,890 | 27,870 | 31,850 | 35,830 | 0.9 | 7,080 | 10,620 | 14,150 | 17,690 | 21,230 | 24,770 | 28,310 | 31,850 | 1 | 6,370 | 9,550 | 12,740 | 15,920 | 19,110 | 22,290 | 25,480 | 28,660 | 1.4 | 4,550 | 6,820 | 9,100 | 11,370 | 13,650 | 15,920 | 18,200 | 20,470 | 1.6 | 3,980 | 5,970 | 7,960 | 9,950 | 11,940 | 13,390 | 15,920 | 17,910 | 1.8 | 3,540 | 5,310 | 7,080 | 8,850 | 10,620 | 12,380 | 14,150 | 15,920 | 2 | 3,180 | 4,780 | 6,370 | 7,960 | 9,550 | 11,150 | 12,740 | 14,330 | 2.2 | 2,900 | 4,340 | 5,790 | 7,240 | 8,690 | 10,130 | 11,580 | 13,030 | 2.4 | 2,650 | 3,980 | 5,310 | 6,630 | 7,960 | 9,290 | 10,620 | 11,940 | 2.6 | 2,450 | 3,670 | 4,900 | 6,120 | 7,350 | 8,570 | 9,800 | 11,020 | 2.8 | 2,270 | 3,410 | 4,550 | 5,690 | 6,820 | 7,960 | 9,100 | 10,240 | 3 | 2,120 | 3,180 | 4,250 | 5,310 | 6,370 | 7,430 | 8,490 | 9,550 | 4 | 1,590 | 2,390 | 3,180 | 3,980 | 4,780 | 5,570 | 6,370 | 7,170 | 5 | 1,270 | 1,910 | 2,550 | 3,180 | 3,820 | 4,460 | 5,100 | 5,730 | 6 | 1,060 | 1,590 | 2,120 | 2,650 | 3,180 | 3,720 | 4,250 | 4,780 | 7 | 910 | 1,360 | 1,820 | 2,270 | 2,730 | 3,180 | 3,640 | 4,090 | 8 | 800 | 1,190 | 1,590 | 1,990 | 2,390 | 2,790 | 3,180 | 3,580 | 9 | 710 | 1,060 | 1,420 | 1,770 | 2,120 | 2,480 | 2,830 | 3,180 | 10 | 640 | 960 | 1,270 | 1,590 | 1,910 | 2,230 | 2,550 | 2,870 | 11 | 580 | 870 | 1,160 | 1,450 | 1,740 | 2,030 | 2,320 | 2,610 | 12 | 530 | 800 | 1,060 | 1,330 | 1,590 | 1,860 | 2,120 | 2,390 | 13 | 490 | 730 | 980 | 1,220 | 1,470 | 1,710 | 1,960 | 2,200 | 14 | 450 | 680 | 910 | 1,140 | 1,360 | 1,590 | 1,820 | 2,050 | 15 | 420 | 640 | 850 | 1,060 | 1,270 | 1,490 | 1,700 | 1,910 | 16 | 400 | 600 | 800 | 1,000 | 1,190 | 1,390 | 1,590 | 1,790 | 17 | 370 | 560 | 750 | 940 | 1,120 | 1,310 | 1,500 | 1,690 | 18 | 350 | 530 | 710 | 880 | 1,060 | 1,240 | 1,420 | 1,590 | 19 | 340 | 500 | 670 | 840 | 1,010 | 1,170 | 1,340 | 1,510 | 20 | 320 | 480 | 640 | 800 | 960 | 1,110 | 1,270 | 1,430 | 21 | 300 | 450 | 610 | 760 | 910 | 1,060 | 1,210 | 1,360 | 22 | 290 | 430 | 580 | 720 | 870 | 1,010 | 1,160 | 1,300 | 23 | 280 | 420 | 550 | 690 | 830 | 970 | 1,100 | 1,250 | 24 | 270 | 400 | 530 | 660 | 800 | 930 | 1,060 | 1,190 | 25 | 250 | 380 | 510 | 640 | 760 | 890 | 1,020 | 1,150 | 26 | 240 | 370 | 490 | 610 | 730 | 860 | 980 | 1,100 | 27 | 240 | 350 | 470 | 590 | 710 | 830 | 940 | 1,060 | 28 | 230 | 340 | 450 | 570 | 680 | 800 | 910 | 1,020 | 29 | 220 | 330 | 440 | 550 | 660 | 770 | 880 | 990 | 30 | 210 | 320 | 420 | 530 | 640 | 740 | 850 | 960 |
Dia. | (Vc) Cutting Speed m/min | D | | 100 | 120 | 140 | 150 | 180 | 200 | 250 | 300 | 0.2 | 159,240 | 191,080 | 222,930 | 238,850 | 286,620 | 318,470 | 398,090 | 477,710 | 0.3 | 106,160 | 127,390 | 148,620 | 159,240 | 191,080 | 212,310 | 265,390 | 318,470 | 0.4 | 79,620 | 95,540 | 111,460 | 119,430 | 143,310 | 159,240 | 199,040 | 238,850 | 0.5 | 63,690 | 76,430 | 89,170 | 95,540 | 114,650 | 127,390 | 159,240 | 191,080 | 0.6 | 53,080 | 63,690 | 74,310 | 79,620 | 95,540 | 106,160 | 132,700 | 159,240 | 0.7 | 45,500 | 54,590 | 63,690 | 68,240 | 81,890 | 90,990 | 113,740 | 136,490 | 0.8 | 39,810 | 47,770 | 55,730 | 59,710 | 71,660 | 79,620 | 99,520 | 119,430 | 0.9 | 35,390 | 42,640 | 49,540 | 53,080 | 63,690 | 70,770 | 88,460 | 106,160 | 1 | 31,850 | 38,220 | 44,590 | 47,770 | 57,320 | 63,390 | 79,620 | 95,540 | 1.4 | 22,750 | 27,300 | 31,850 | 34,120 | 40,950 | 45,500 | 56,870 | 68,240 | 1.6 | 19,900 | 23,890 | 27,870 | 29,860 | 35,830 | 39,810 | 49,760 | 59,710 | 1.8 | 17,690 | 21,230 | 24,770 | 26,540 | 31,850 | 35,390 | 44,230 | 53,080 | 2 | 15,920 | 19,110 | 22,290 | 23,890 | 28,660 | 31,850 | 39,810 | 47,770 | 2.2 | 14,480 | 17,370 | 20,270 | 21,710 | 26,060 | 28,950 | 36,190 | 43,430 | 2.4 | 13,270 | 15,920 | 18,580 | 19,900 | 23,890 | 26,540 | 33,170 | 39,810 | 2.6 | 12,250 | 14,700 | 17,150 | 18,370 | 22,050 | 24,500 | 30,620 | 36,750 | 2.8 | 11,370 | 13,650 | 15,920 | 17,060 | 20,470 | 22,750 | 28,430 | 34,120 | 3 | 10,620 | 12,740 | 14,860 | 15,920 | 19,110 | 21,230 | 26,540 | 31,850 | 4 | 7,960 | 9,550 | 11,150 | 11,940 | 14,330 | 15,920 | 19,900 | 23,890 | 5 | 6,370 | 7,640 | 8,920 | 9,550 | 11,460 | 12,740 | 15,920 | 19,110 | 6 | 5,310 | 6,370 | 7,430 | 7,960 | 9,550 | 10,620 | 13,270 | 15,920 | 7 | 4,550 | 5,460 | 6,370 | 6,820 | 8,190 | 9,100 | 11,370 | 13,650 | 8 | 3,980 | 4,780 | 5,570 | 5,970 | 7,170 | 7,960 | 9,950 | 11,940 | 9 | 3,540 | 4,250 | 4,950 | 5,310 | 6,370 | 7,080 | 8,850 | 10,620 | 10 | 3,180 | 3,820 | 4,460 | 4,780 | 5,730 | 6,370 | 7,960 | 9,550 | 11 | 2,900 | 3,470 | 4,050 | 4,340 | 5,210 | 5,790 | 7,240 | 8,690 | 12 | 2,650 | 3,180 | 3,720 | 3,980 | 4,780 | 5,310 | 6,630 | 7,960 | 13 | 2,450 | 2,940 | 3,430 | 3,670 | 4,410 | 4,900 | 6,120 | 7,350 | 14 | 2,270 | 2,730 | 3,180 | 3,410 | 4,090 | 4,550 | 5,690 | 6,820 | 15 | 2,120 | 2,550 | 2,970 | 3,180 | 3,820 | 4,250 | 5,310 | 6,370 | 16 | 1,990 | 2,390 | 2,790 | 2,990 | 3,580 | 3,980 | 4,980 | 5,970 | 17 | 1,870 | 2,250 | 2,620 | 2,810 | 3,370 | 3,750 | 4,680 | 5,620 | 18 | 1,770 | 2,120 | 2,480 | 2,650 | 3,180 | 3,540 | 4,420 | 5,310 | 19 | 1,680 | 2,020 | 2,350 | 2,510 | 3,020 | 3,350 | 4,190 | 5,030 | 20 | 1,590 | 1,910 | 2,230 | 2,390 | 2,870 | 3,180 | 3,980 | 4,780 | 21 | 1,520 | 1,820 | 2,120 | 2,270 | 2,730 | 3,030 | 3,790 | 4,550 | 22 | 1,450 | 1,740 | 2,030 | 2,170 | 2,610 | 2,900 | 3,620 | 4,340 | 23 | 1,380 | 1,660 | 1,940 | 2,080 | 2,490 | 2,770 | 3,460 | 4,150 | 24 | 1,330 | 1,590 | 1,860 | 1,990 | 2,390 | 2,650 | 3,320 | 3,980 | 25 | 1,270 | 1,530 | 1,780 | 1,910 | 2,290 | 2,550 | 3,180 | 3,820 | 26 | 1,220 | 1,470 | 1,710 | 1,840 | 2,200 | 2,450 | 3,060 | 3,670 | 27 | 1,180 | 1,420 | 1,650 | 1,770 | 2,120 | 2,360 | 2,950 | 3,540 | 28 | 1,140 | 1,360 | 1,590 | 1,710 | 2,050 | 2,270 | 2,840 | 3,410 | 29 | 1,100 | 1,320 | 1,540 | 1,650 | 1,980 | 2,200 | 2,750 | 3,290 | 30 | 1,060 | 1,270 | 1,490 | 1,590 | 1,910 | 2,120 | 2,650 | 3,180 |
|