• Recommended Starting Speeds [m/min]

Material

TN2505 TN2510 TN2525

Group

1550420360660580540550420360
2320240205410370330320240205
3320240205370330305320240205

P

4275260230
5330300275
6230205175
1270240210
M2245210190
3190175150
1400300250420360300
K2540365280360300250
3310190155300250200
1
N2
3
1
2

S

3
4
117514095145110701309060
H217514095145110701309060
3140115801158045

NOTE: FIRST choice starting speeds are in bold type. As the average chip thickness increases, the speed should be decreased.

Recommended Starting Feeds

  • Recommended Starting Feeds [mm]
LightGeneralHeavy
MachiningPurposeMachining

Programmed Feed per Tooth (fz) as a % of Radial Depth of Cut (ae) Insert Insert

Geometry 5% 10% 20% 30% 40–100% Geometry

TF 0,12 0,37 0,62 0,09 0,26 0,43 0,06 0,19 0,31 0,06 0,17 0,27 0,05 0,15 0,25 TF

NOTE: Use “Light Machining” value as starting feed rate.