Variable Flute Speed and Feeds in SFPM for Aluminum
(Surface Feet per Minute) 
Aluminum |
|
Slotting |
Profiling |
|
Depth of Slot |
Width of Cut |
|
% of Dia. |
% of Dia. |
Axial |
Conservative |
Moderate |
Aggressive |
Conservative |
Moderate |
Aggressive |
Radial |
|
50% |
1900 |
1950 |
2000 |
1950 |
2000 |
2150 |
15% |
|
100% |
1800 |
1850 |
1950 |
1850 |
1900 |
2000 |
25% |
|
150% |
1600 |
1700 |
1750 |
1600 |
1800 |
1900 |
50% |
Copper Alloys |
|
Slotting |
Profiling |
|
Depth of Slot |
Width of Cut |
|
% of Dia. |
% of Dia. |
Axial |
Conservative |
Moderate |
Aggressive |
Conservative |
Moderate |
Aggressive |
Radial |
|
50% |
800 |
1200 |
1400 |
950 |
1300 |
1500 |
15% |
|
100% |
700 |
950 |
1200 |
800 |
1100 |
1300 |
25% |
|
150% |
650 |
850 |
1100 |
700 |
950 |
1200 |
50% |
Bronze/Brass |
|
Slotting |
Profiling |
|
Depth of Slot |
Width of Cut |
|
% of Dia. |
% of Dia. |
Axial |
Conservative |
Moderate |
Aggressive |
Conservative |
Moderate |
Aggressive |
Radial |
|
50% |
900 |
1300 |
1500 |
1000 |
1400 |
1600 |
15% |
|
100% |
800 |
1050 |
1250 |
900 |
1150 |
1450 |
25% |
|
150% |
750 |
950 |
1150 |
850 |
1000 |
1200 |
50% |
CHIPLOAD PER TOOTH BY DIAMETER
0.250 0.3125 0.375 0.500 0.625 0.750 1.000
0.003 0.004 0.005 0.006 0.007 0.008 0.010
The above are recommended starting points for
regular flute lengths. Adjust for extended flute lengths