Technical information
This table can be used for cutters with cutting edge angle = 45º
Feed Per Tooth, mm/tooth (f z )
a e /DC %
Speed Factor
0,03
0,06
0,08
0,10
0,15
0,20
0,25
0,30
0,40
0,50
0,60
0,80
1,00
Average Chip Thickness, mm/tooth (hm) Width of cut up to and including DC/2
2 (0.02) 3 (0.03) 5 (0.05) 10 (0.10) 15 (0.15) 20 (0.20) 30 (0.30) 40 (0.40) 50 (0.50)
0,01 0,02 0,02 0,03 0,04 0,05 0,05 0,06 0,07
0,02 0,02 0,03 0,04 0,05 0,06 0,07 0,08 0,09
0,02 0,03 0,04 0,05 0,07 0,08 0,09 0,10 0,11
0,03 0,04 0,05 0,07 0,08 0,09 0,11 0,12 0,14
0,04 0,05 0,06 0,09 0,11 0,12 0,15 0,17 0,18
0,05 0,06 0,08 0,11 0,13 0,15 0,18 0,21 0,23
0,06 0,07 0,09 0,13 0,16 0,18 0,22
0,08 0,10 0,13 0,18 0,21
0,10 0,12 0,16 0,22
1.8 1.7 1.6 1.5 1.4
0,01 0,02 0,02 0,03 0,03 0,04 0,04 0,05
0,01 0,02 0,02 0,02 0,03 0,03 0,04
0,01 0,02 0,02 0,02 0,02 0,03
0,008 0,009 0,011 0,012
1.35
1.3
1.25
1.2
0,01
Face milling full engagement (Width of cut = DC)
100 (1.00)
0,02
0,04
0,05
0,06
0,10
0,13
0,16
0,19
0,25
0,32
1.0
When using side milling it is necessary to increase the feed per tooth to keep the chip thickness at the same value. It is also possible to increase the cutting speed and keep the same tool life. Use the tables below.
Feed Per Tooth, in/tooth (f z )
a e /D c %
.0012
.0024
.0031
.004
.006
.008
.010
.012
.016
.020
.024
.031
.039
Speed Factor
Average Chip Thickness, in/tooth (hm) Width of cut up to and including D c /2
2 (0.02) 3 (0.03) 5 (0.05) 10 (0.10) 15 (0.15) 20 (0.20) 30 (0.30) 40 (0.40) 50 (0.50)
.0004 .0008 .0008 .0012 .0016 .0020 .0020 .0024 .0028
.0008 .0008 .0012 .0016 .0020 .0024 .0028 .0031 .0035
.0008 .0012 .0016 .0020 .0028 .0031 .0035 .0039 .0043
.0012 .0016 .0020 .0028 .0031 .0035 .0043 .0047 .0055
.0016 .0020 .0024 .0035 .0043 .0047 .0059 .0067 .0071
.0020 .0024 .0031 .0043 .0051 .0059 .0071 .0083 .0091
.0024 .0028 .0035 .0051 .0063 .0071 .0087
.0031 .0039 .0051 .0071 .0083
.0039 .0047 .0063 .0087
1.8 1.7 1.6 1.5 1.4
.0004 .0008 .0008 .0012 .0012 .0016 .0016 .0020
.0004 .0008 .0008 .0008 .0012 .0012 .0016
.0004 .0008 .0008 .0008 .0008 .0012
.0003 .0004 .0004 .0005 .0004
1.35
1.3
1.25
1.2
Face milling full engagement (Width of cut = D c )
100 (1.00)
.0004
.0012
.0016
.0020
.0028
.0035
.0043
.0055
.0071
.0091
1.0
Instead of using the table above for calculating hm and fz, the following formula could be used if a e /DC < 30%.
900
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