Standard Values For Cutting Speeds - Optimum BF20 V Operating Manual

OPTIMUM
M A S C H I N E N - G E R M A N Y
4.8.1

Standard values for cutting speeds

[FPM] with high-speed steel and hard metal in conventional milling
Tool
Peripherial and side milling (FPM)
Relieved form cutters (FPM)
Inserted tooth cutter with SS (FPM)
Inserted tooth cutter with HM (FPM)
Given below are standard values for speeds depending on the milling cutter diameter, cutter
type and material.
Tool diameter (in.)
Peripheral and side milling cutters
1.378"
1.575"
1.772"
1.969"
2.165"
2.362"
2.559"
Tool diameter (in.)
Form cutters
0.1575"
0.1969"
0.2362"
0.3150"
0.3937"
0.4724"
0.5512"
0.6299"
US BF20V
Page 28
Steel
33 - 82
49 - 79
49 - 79
328 - 656
Steel
33 - 82 FPM
91 - 227
80 - 199
71 - 177
64 - 159
58 - 145
53 - 133
49 - 122
Steel
49 - 79 FPM
1,194 - 1,911
955 - 1,529
796 - 1,274
597 - 955
478 - 764
398 - 637
341 - 546
299 - 478
Original operating instructions
Age- Hardened
Grey Cast Iron
Al alloy
33 - 72 492 - 1,148
33 - 66 492 - 820
39 - 82 656 - 984
98 - 328 984 - 1,312
Age-Hardened
Grey Cast Iron
Al alloy
33 - 72 FPM 492 - 1,148 FPM
Speed (RPM)
91 - 200 1,365 - 3,185
80 - 175 1,195 - 2,790
71 - 156 1,062 - 2,470
64 - 140 955 - 2,230
58 - 127 870 - 2,027
53 - 117 795 - 1,860
49 - 108 735 - 1,715
Age-Hardened
Grey Cast Iron
Al alloy
33 - 66 FPM 492 - 820 FPM
Speed (RPM)
796 - 1,592 11,900 - 19,000
637 - 1,274 9,550 - 15,900
531 - 1,062 7,900 - 13,200
398 - 796 5,900 - 9,900
318 - 637 4,700 - 7,900
265 - 531 3,900 - 6,600
227 - 455 3,400 - 5,600
199 - 398 2,900 - 4,900
Version 3.1.8 dated 2015-1-27