
| WORKING MATERIAL CODE HARDNESS | ALLOY / TOOL 45C,S50 HRC | STEEL STEEL C,SCM < 20 | ALLOY / TOOL SCM,SK HRC 2 | STEEL STEEL T,SKD 0 ~ 30 | ALLOY / TOOL SCM,SK HRC 3 | STEEL STEEL T,SKD 0 ~ 40 | HARD STE SKT, HRC 4 | ENED EL SKD 5~45 | STAIN STE SUS ‒ | LESS EL 304 | CAST FC / | IRON FCD ‒ |
| Vc | 88 M/ | min | 71 M | /min | 59 M/ | min | 35 M | /min | 71 M | /min | 103 | M/min |
| DIAMETER | R.P.M | FEED (mm/min) | R.P.M | FEED (mm/min) | R.P.M | FEED (mm/min) | R.P.M | FEED (mm/min) | R.P.M | FEED (mm/min) | R.P.M | FEED (mm/min) |
| 1MM | 26,000 | 190 | 22,230 | 140 | 18,720 | 100 | 10,400 | 40 | 22,230 | 165 | 32,760 | 240 |
| 2MM | 14,040 | 235 | 11,232 | 160 | 9,360 | 110 | 5,616 | 45 | 11,232 | 185 | 16,380 | 270 |
| 3MM | 9,828 | 270 | 7,488 | 175 | 6,084 | 120 | 3,900 | 55 | 7,488 | 205 | 11,232 | 310 |
| 4MM | 7,020 | 260 | 5,616 | 175 | 4,680 | 120 | 2,808 | 50 | 5,616 | 205 | 8,424 | 310 |
| 5MM | 5,850 | 270 | 4,446 | 175 | 3,744 | 120 | 2,340 | 55 | 4,446 | 205 | 6,552 | 300 |
| 6MM | 4,680 | 260 | 3,744 | 175 | 3,042 | 120 | 1,872 | 50 | 3,744 | 205 | 5,616 | 310 |
| 8MM | 3,510 | 260 | 2,808 | 175 | 2,340 | 120 | 1,404 | 50 | 2,808 | 205 | 4,212 | 310 |
| 10MM | 2,808 | 260 | 2,223 | 175 | 1,872 | 120 | 1,131 | 50 | 2,223 | 205 | 3,276 | 300 |
| 12MM | 2,340 | 260 | 1,872 | 175 | 1,560 | 120 | 936 | 50 | 1,872 | 205 | 2,808 | 310 |
| 14MM | 2,340 | 300 | 1,768 | 195 | 1,482 | 135 | 936 | 60 | 1,768 | 230 | 2,600 | 335 |
| 16MM | 2,028 | 300 | 2,730 | 345 | 1,300 | 135 | 819 | 60 | 2,730 | 400 | 2,340 | 345 |
| 18MM | 2,028 | 305 | 1,378 | 175 | 1,144 | 120 | 819 | 60 | 1,378 | 205 | 2,080 | 310 |
| 20MM | 1,560 | 260 | 1,248 | 175 | 1,040 | 120 | 624 | 50 | 1,248 | 205 | 1,820 | 300 |
| Milling Amount (mm) |
1.Use as highly rigid and accurate machine as possible. 2.If the rpm available is lower than the recommend condition, please reduce the feed rate to the same ratio. 3.Use long shank type please reduce the rpm and feed rate. 4.The Feed and RPM may be changed depending on the M/C conditions ,lubricating and cooling system.