
(Recommended Starting Speeds [m/min] — continued)
Material
TN7535 WK15CM WS30PM
Group
| 0 | 455 | 395 | 370 | – | – | – | – | – | – | |
| 1 | 455 | 395 | 370 | – | – | – | – | – | – | |
| 2 | 280 | 255 | 230 | – | – | – | – | – | – | |
| P | 3 | 255 | 230 | 205 | – | – | – | – | – | – |
| 4 | 190 | 175 | 160 | – | – | – | – | – | – | |
| 5 | 260 | 230 | 210 | – | – | – | – | – | – | |
| 6 | 160 | 135 | 110 | – | – | – | – | – | – | |
| 1 | 205 | 185 | 155 | – | – | – | 225 | 200 | 185 | |
| M | 2 | 185 | 160 | 140 | – | – | – | 205 | 180 | 145 |
| 3 | 145 | 130 | 115 | – | – | – | 155 | 135 | 105 | |
| 1 | 295 | 265 | 240 | 420 | 385 | 340 | – | – | – | |
| K | 2 | 235 | 210 | 190 | 335 | 295 | 275 | – | – | – |
| 3 | 195 | 175 | 160 | 280 | 250 | 230 | – | – | – | |
| 1 | – | – | – | – | – | – | – | – | – | |
| N | 2 | – | – | – | – | – | – | – | – | – |
| 3 | – | – | – | – | – | – | – | – | – | |
| 1 | – | – | – | – | – | – | 45 | 40 | 30 | |
| 2 | – | – | – | – | – | – | 45 | 40 | 30 |
S
| 3 | – | – | – | – | – | – | 55 | 45 | 30 | |
| 4 | – | – | – | – | – | – | 85 | 60 | 40 | |
| 1 | – | – | – | – | – | – | – | – | – | |
| 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..ALP | 0,12 | 0,23 | 0,46 | 0,08 | 0,17 | 0,33 | 0,06 | 0,13 | 0,25 | 0,06 | 0,11 | 0,22 | 0,05 | 0,10 | 0,20 | .F..ALP |
| .E..ML | 0,12 | 0,35 | 0,58 | 0,08 | 0,25 | 0,42 | 0,06 | 0,19 | 0,31 | 0,06 | 0,17 | 0,27 | 0,05 | 0,15 | 0,25 | .E..ML |
| .S..MM | 0,12 | 0,42 | 0,70 | 0,08 | 0,30 | 0,50 | 0,06 | 0,23 | 0,38 | 0,06 | 0,20 | 0,33 | 0,05 | 0,18 | 0,30 | .S..MM |
| .S..MH | 0,23 | 0,54 | 0,85 | 0,17 | 0,39 | 0,61 | 0,13 | 0,29 | 0,46 | 0,11 | 0,25 | 0,40 | 0,10 | 0,23 | 0,36 | .S..MH |
NOTE: Use “Light Machining” value as starting feed rate.