
Material
TN2505 TN6525 TN6540
Group
| 1 | 550 | 420 | 360 | 410 | 320 | 280 | 360 | 280 | 240 |
| 2 | 320 | 240 | 205 | 320 | 250 | 215 | 250 | 190 | 170 |
| 3 | 320 | 240 | 205 | 280 | 215 | 185 | 215 | 170 | 140 |
P
| 4 | – | – | – | 235 | 170 | 145 | 180 | 130 | 110 | |
| 5 | – | – | – | 310 | 235 | 200 | 240 | 180 | 150 | |
| 6 | – | – | – | 205 | 160 | 130 | 160 | 120 | 100 | |
| 1 | – | – | – | 190 | 120 | 80 | 130 | 80 | 60 | |
| M | 2 | – | – | – | 120 | 80 | 50 | 80 | 50 | 40 |
| 3 | – | – | – | 125 | 80 | 55 | 85 | 50 | 40 | |
| 1 | 400 | 300 | 250 | 275 | 245 | 220 | 220 | 205 | 180 | |
| K | 2 | 540 | 365 | 280 | 215 | 190 | 180 | 175 | 155 | 140 |
| 3 | 310 | 190 | 155 | 180 | 160 | 145 | 155 | 145 | 125 | |
| 1 | – | – | – | – | – | – | – | – | – | |
| N | 2 | – | – | – | – | – | – | – | – | – |
| 3 | – | – | – | – | – | – | – | – | – | |
| 1 | – | – | – | – | – | – | 50 | 35 | 30 | |
| 2 | – | – | – | – | – | – | 25 | 20 | 10 |
S
| 3 | – | – | – | – | – | – | 70 | 40 | 30 | |
| 4 | – | – | – | – | – | – | 60 | 30 | 25 | |
| 1 | 175 | 140 | 95 | – | – | – | – | – | – | |
| H | 2 | 175 | 140 | 95 | – | – | – | – | – | – |
| 3 | 140 | 115 | 80 | – | – | – | – | – | – |
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
HF 1,01 1,57 – 0,67 0,97 1,41 0,48 0,69 0,97 0,42 0,59 0,83 0,38 0,54 0,75 HF
Programmed Feed per Tooth (fz) as a % of Radial Depth of Cut (ae) Insert Insert
Geometry 5% 10% 20% 30% 40–100% Geometry
HF 0,91 1,53 2,81 0,61 0,96 1,43 0,45 0,69 0,99 0,39 0,59 0,85 0,35 0,54 0,77 HF
Programmed Feed per Tooth (fz) as a % of Radial Depth of Cut (ae) Insert Insert
Geometry 5% 10% 20% 30% 40–100% Geometry
HF 0,94 1,58 2,82 0,64 1,00 1,49 0,46 0,71 1,03 0,40 0,61 0,88 0,37 0,56 0,80 HF
NOTE: Use “Light Machining” value as starting feed rate.