Face Mills • M660 Series Recommended Starting Speeds
( Recommended Starting Speeds [ m / min ] — continued )
P
M
K
N
S
H
Material Group
WK15CM WP40PM TTI25 THM
1 – – – 355 310 295 430 360 300 – – – 2 – – – 300 260 215 310 250 215 – – – 3 – – – 275 235 190 310 250 215 – – – 4 – – – 245 205 160 265 215 180 – – – 5 – – – 205 185 160 320 235 200 – – – 6 – – – 180 140 110 145 110 90 – – – 1 – – – 235 205 185 480 310 215 – – – 2 – – – 210 180 150 325 205 145 – – – 3 – – – 155 140 110 320 210 145 – – – 1 505 460 410 – – – 220 185 155 145 110 90 2 400 355 330 – – – 180 145 125 150 120 85 3 335 300 275 – – – 145 125 100 155 115 70 1 – – – – – – – – – 1080 720 600 2 – – – – – – – – – 820 560 460 3 – – – – – – – – – 540 335 240 1 – – – 50 40 35 – – – – – – 2 – – – 50 40 35 – – – – – – 3 – – – 60 50 35 – – – – – – 4 – – – 80 60 40 – – – – – – 1 – – – – – – – – – – – – 2 – – – – – – – – – – – – 3 – – – – – – – – – – – –
Face Mills
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 ] |
Light Machining |
General Purpose |
Heavy Machining |
Insert Geometry
NOTE : Use “ Light Machining ” value as starting feed rate .
Programmed Feed per Tooth ( fz ) as a % of Radial Depth of Cut ( ae )
5 % 10 % 20 % 30 % 40 – 100 %
Insert Geometry
... 20 |
0,17 |
0,66 |
1,19 |
0,12 |
0,47 |
0,86 |
0,09 |
0,35 |
0,64 |
0,08 |
0,31 |
0,56 |
0,07 |
0,28 |
0,51 |
... 20 |
… 21 |
0,24 |
0,74 |
1,25 |
0,18 |
0,53 |
0,89 |
0,13 |
0,40 |
0,66 |
0,12 |
0,35 |
0,58 |
0,11 |
0,32 |
0,53 |
… 21 |
… 31 |
0,26 |
0,76 |
1,28 |
0,19 |
0,55 |
0,91 |
0,14 |
0,41 |
0,68 |
0,12 |
0,36 |
0,59 |
0,11 |
0,33 |
0,54 |
… 31 |
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