Widia - frézování s VBD | KL-TECH s.r.o. | www.klte.cz widia-frézování s vbd | Page 327

Copy Mills • M270 ™ Series
Recommended Starting Speeds
„ 
Recommended Starting Speeds [m/min]
Material
Group
M
K
N
S
H
TN2510
TN2525
1 550 420 360 660 580 540 550 420 360
2 320 240 205 410 370 330 320 240 205
3 320 240 205 370 330 305 320 240 205
4 – – – 275 260 230 – – –
5 – – – 330 300 275 – – –
6 – – – 230 205 175 – – –
1 – – – 270 240 210 – – –
2 – – – 245 210 190 – – –
3 – – – 190 175 150 – – –
1 400 300 250 420 360 300 – – –
2 540 365 280 360 300 250 – – –
3 310 190 155 300 250 200 – – –
1 – – – – – – – – –
2 – – – – – – – – –
3 – – – – – – – – –
1 – – – – – – – – –
2 – – – – – – – – –
3 – – – – – – – – –
4 – – – – – – – – –
1 175 140 95 145 110 70 130 90 60
2 175 140 95 145 110 70 130 90 60
3 140 115 80 115 80 45 – – –
P
TN2505
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]
General
Purpose
Programmed Feed per Tooth (fz)
as a % of Radial Depth of Cut (ae)
Insert
Geometry
TF
Light
Machining
5%
0,12
0,37
10%
0,62
0,09
0,26
20%
0,43
0,06
0,19
30%
0,31
0,06
0,17
Insert
Geometry
40–100%
0,27
0,05
0,15
Heavy
Machining
0,25
TF
widia.com
M123
NOTE: Use “Light Machining” value as starting feed rate.