
(Recommended Starting Speeds [m/min] — continued)
| Material Group | WP25PM | WP35CM | WS30PM | WP40PM | TN6501 | THM-U | ||||||||||||
| 1 | 395 | 340 | 325 | 545 | 475 | 445 | – | – | – | 355 | 310 | 295 | – | – | – | – | – | – |
| 2 | 330 | 290 | 240 | 335 | 305 | 275 | – | – | – | 300 | 260 | 215 | – | – | – | – | – | – |
| P 3 | 305 | 260 | 210 | 305 | 275 | 245 | – | – | – | 275 | 235 | 190 | – | – | – | – | – | – |
| 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 |
| �Recomm | ended | Starti | ng Fe | eds [m | m] | Ligh Machi | t ning | Gen Purp | eral ose | Heavy Machining | ||||||
| Insert Geometry | 5% | 10% | Pro as a | gramme % of Ra | dFeedp dial Dep 20% | er Tooth th of Cu | (fz) t (ae) | 30% | 40–100% | Insert Geometry | ||||||
| .F..LDJ | 0,17 | 0,32 | 0,65 | 0,13 | 0,23 | 0,47 | 0,09 | 0,17 | 0,35 | 0,08 | 0,15 | 0,31 | 0,08 | 0,14 | 0,28 | .F..LDJ |
| .E..LD | 0,17 | 0,50 | 1,00 | 0,13 | 0,36 | 0,72 | 0,09 | 0,27 | 0,54 | 0,08 | 0,23 | 0,47 | 0,08 | 0,21 | 0,43 | .E..LD |
| .S..GD | 0,33 | 0,84 | 1,35 | 0,24 | 0,60 | 0,97 | 0,18 | 0,45 | 0,72 | 0,16 | 0,39 | 0,63 | 0,14 | 0,36 | 0,57 | .S..GD |
| .S..HD | 0,33 | 0,84 | 1,35 | 0,24 | 0,60 | 0,97 | 0,18 | 0,45 | 0,72 | 0,16 | 0,39 | 0,63 | 0,14 | 0,36 | 0,57 | .S..HD |