Determining the cutting speed and the speed
Version 1.0 dated 2019-01-08 Page 61Translation of the original instructions
GB
Drilling_VC_GB_basic.fm
OPTIMUM
MASCHINEN - GERMANY
®
The correct manual feed Vc in meters per minute depends on the diameter of the drill, the
material to be machined, the speed and the cutting material of the drill.
Vc
in m/
min
4 6 8 10 12 15 18 20 25 30 35 40 50 60 80 100
Drill
bit Ø
in
mm
Speed n in rpm
4,5 283 425 566 708 849 1062 1274 1415 1769 2123 2477 2831 3539 4246 5662 7077
5,0 255 382 510 637 764 955 1146 1274 1592 1911 2229 2548 3185 3822 5096 6369
5,5 232 347 463 579 695 869 1042 1158 1448 1737 2027 2316 2895 3474 4632 5790
6,0 212 318 425 531 637 796 955 1062 1327 1592 1858 2123 2654 3185 4246 5308
6,5 196 294 392 490 588 735 882 980 1225 1470 1715 1960 2450 2940 3920 4900
7,0 182 273 364 455 546 682 819 910 1137 1365 1592 1820 2275 2730 3640 4550
7,5 170 255 340 425 510 637 764 849 1062 1274 1486 1699 2123 2548 3397 4246
8,0 159 239 318 398 478 597 717 796 995 1194 1393 1592 1990 2389 3185 3981
8,5 150 225 300 375 450 562 674 749 937 1124 1311 1499 1873 2248 2997 3747
9,0 142 212 283 354 425 531 637 708 885 1062 1238 1415 1769 2123 2831 3539
9,5 134 201 268 335 402 503 603 670 838 1006 1173 1341 1676 2011 2682 3352
10,0 127 191 255 318 382 478 573 637 796 955 1115 1274 1592 1911 2548 3185
11,0 116 174 232 290 347 434 521 579 724 869 1013 1158 1448 1737 2316 2895
12,0 106 159 212 265 318 398 478 531 663 796 929 1062 1327 1592 2123 2654
13,0 98 147 196 245 294 367 441 490 612 735 857 980 1225 1470 1960 2450
14,0 91 136 182 227 273 341 409 455 569 682 796 910 1137 1365 1820 2275
15,0 85 127 170 212 255 318 382 425 531 637 743 849 1062 1274 1699 2123
16,0 80 119 159 199 239 299 358 398 498 597 697 796 995 1194 1592 1990
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