A Brand AE-ML-H Advanced Performance Carbide End Mills with Long LOC for Hardened Steels Side Milling List 8442, 8542: Multi-Flute, Long Length, Square
Hardness
Up to 45 HRC
45-55 HRC
55-62 HRC
62-66 HRC
66-70 HRC
Tool Steels Hardened Steels Alloy Steels
Work Material
Hardened Steels
Cutting Speed (SFM)
195 SFM
145 SFM
100 SFM
65 SFM
50 SFM
a a a r 3D 0.005D a r Max=0.0039”
a a a r 3D 0.01D a r Max=0.0079”
Depth of Cut
Mill Dia.
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Inch mm – 3
6,370 5,954 4,780 3,969 3,820 3,180 2,977 2,382 2,390 1,985 1,910 1,590 1,489
25.6 25.3 25.6 25.3 25.6 38.2 38.0 38.0 38.2 38.0 38.2 38.2 38.0
4,780 4,427 3,580 2,952 2,870 2,390 2,214 1,771 1,790 1,476 1,430 1,190 1,107
14.6 14.4 14.6 14.4 14.6 22.0 21.6 21.6 22.0 21.6 22.0 22.0 21.6
3,180 3,053 2,390 2,036 1,910 1,590 1,527 1,221 1,190 1,018
6.7 6.9 6.7 6.9 6.7
2,120 1,985 1,590 1,323 1,270 1,060
3.9 3.9 3.9 3.9 3.9 5.9 5.8 5.8 5.9 5.8 5.9 5.9 5.8
1,590 1,527 1,190 1,018
2.4 2.4 2.4 2.4 2.4 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5
1/8
– 4 – 5 6 – – 8 –
–
3/16
– –
960 800 763 611 600 509 480 400 382
10.2 10.3 10.3 10.2 10.3 10.2 10.2 10.3
1/4
992 794 800 662 640 530 496
5/16
–
3/8
– –
10 12
960 800 763
1/2
–
1. Use a rigid and precise machine and holder. 2. When chattering occurs, reduce the speed and feed simultaneously. 3. Use an air blow or a suitable cutting fluid with high smoke retardant properties.
osgtool.com
1350
End Mill Technical
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