
(Recommended Starting Speeds [m/min] — continued)
Material
WP25PM WP35CM WS30PM WP40PM TN6501 THM-U
Group
| 1 | 395 | 340 | 325 | 545 | 475 | 445 | – | – | – | 355 | 310 | 295 | – | – | – | – | – | – |
| 2 | 330 | 290 | 240 | 335 | 305 | 275 | – | – | – | 300 | 260 | 215 | – | – | – | – | – | – |
| 3 | 305 | 260 | 210 | 305 | 275 | 245 | – | – | – | 275 | 235 | 190 | – | – | – | – | – | – |
P
| 4 | 270 | 220 | 180 | 230 | 210 | 190 | – | – | – | 245 | 205 | 160 | – | – | – | – | – | – | |
| 5 | 220 | 205 | 180 | 310 | 275 | 250 | – | – | – | 205 | 185 | 160 | – | – | – | – | – | – | |
| 6 | 200 | 150 | 120 | 190 | 160 | 130 | – | – | – | 180 | 140 | 110 | – | – | – | – | – | – | |
| 1 | 245 | 215 | 200 | 245 | 220 | 185 | 270 | 240 | 220 | 235 | 205 | 185 | – | – | – | – | – | – | |
| M | 2 | 220 | 190 | 155 | 220 | 190 | 170 | 245 | 215 | 175 | 210 | 180 | 150 | – | – | – | – | – | – |
| 3 | 170 | 145 | 115 | 175 | 155 | 140 | 185 | 160 | 125 | 155 | 140 | 110 | – | – | – | – | – | – | |
| 1 | 275 | 245 | 220 | 355 | 320 | 290 | – | – | – | – | – | – | – | – | – | – | – | – | |
| K | 2 | 215 | 190 | 180 | 280 | 250 | 230 | – | – | – | – | – | – | – | – | – | – | – | – |
| 3 | 180 | 160 | 145 | 235 | 210 | 190 | – | – | – | – | – | – | – | – | – | – | – | – | |
| 1 | – | – | – | – | – | – | – | – | – | – | – | – | 2400 | 1440 | 1200 | 2400 | 1440 | 1200 | |
| N | 2 | – | – | – | – | – | – | – | – | – | – | – | – | 1640 | 980 | 800 | 1640 | 980 | 800 |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | 960 | 600 | 480 | 960 | 600 | 480 | |
| 1 | 50 | 40 | 30 | – | – | – | 55 | 50 | 35 | 50 | 40 | 35 | – | – | – | – | – | – | |
| 2 | 50 | 40 | 30 | – | – | – | 55 | 50 | 35 | 50 | 40 | 35 | – | – | – | – | – | – |
S
| 3 | 60 | 50 | 30 | – | – | – | 65 | 55 | 35 | 60 | 50 | 35 | – | – | – | – | – | – | |
| 4 | 85 | 60 | 40 | 80 | 60 | 40 | 100 | 70 | 50 | 80 | 60 | 40 | – | – | – | – | – | – | |
| 1 | 145 | 110 | 85 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| H | 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
NOTE: FIRST choice starting speeds are in bold type. As the average chip thickness increases, the speed should be decreased.
| Light | General | Heavy | |
| Machining | Purpose | Machining |
Programmed Feed per Tooth (fz) as a % of Radial Depth of Cut (ae) Insert Insert
| Geometry | 5% | 10% | 20% | 30% | 40–100% | Geometry | ||||||||||
| .F..LDJ | 0,48 | 0,89 | 1,81 | 0,34 | 0,64 | 1,29 | 0,26 | 0,48 | 0,96 | 0,22 | 0,42 | 0,83 | 0,21 | 0,38 | 0,76 | .F..LDJ |
| .E..LD | 0,48 | 1,38 | 2,85 | 0,34 | 0,99 | 2,00 | 0,26 | 0,74 | 1,48 | 0,22 | 0,64 | 1,28 | 0,21 | 0,59 | 1,17 | .E..LD |
| .S..GD | 0,92 | 2,35 | 3,89 | 0,66 | 1,67 | 2,70 | 0,49 | 1,23 | 1,98 | 0,43 | 1,07 | 1,72 | 0,39 | 0,98 | 1,57 | .S..GD |
| .S..HD | 0,92 | 2,35 | 3,89 | 0,66 | 1,67 | 2,70 | 0,49 | 1,23 | 1,98 | 0,43 | 1,07 | 1,72 | 0,39 | 0,98 | 1,57 | .S..HD |
NOTE: Use “Light Machining” value as starting feed rate.