Optimum OPTImill BF 20V - Standard values for cutting speeds

Version 4.0.2 dated 2019-4-3 Page 31Translation of the original instructions
BF20V | BF20L | BF20LD GB
BF20V_BF20L_BF20LD_GB_4.fm
OPTIMUM
MASCHINEN - GERMANY
®
4.8.1 Standard values for cutting speeds
[ m/min ] with high-speed steel and hard metal in conventional milling.
The results are the following standard values for speeds in dependence of the
milling cutter diameter, cutter type and material.
Tool Steel Grey cast iron
Al
alloy
age-hardened
Plain mill and side milling cutters [ m/min ] 10 - 25 10 - 22 150 - 350
Relieved form cutters [ m/min ] 15 - 24 10 - 20 150 - 250
Inserted -tooth cutter with SS [ m/min ] 15 - 30 12 - 25 200 - 300
Inserted-tooth cutter with HM [ m/min ] 100 - 200 30 - 100 300 - 400
Tool diameter
[ mm ] Peripheral and
side milling cutters
Steel
10 - 25 m/min
Grey cast iron
10 - 22 m/min
Al alloy
cured 150 - 350
m/min
Speed [ min
-1
]
35 91 - 227 91 - 200 1365 - 3185
40 80 - 199 80 - 175 1195 - 2790
45 71 - 177 71 - 156 1062 - 2470
50 64 - 159 64 - 140 955 - 2230
55 58 - 145 58 - 127 870 - 2027
60 53 - 133 53 - 117 795 - 1860
65 49 - 122 49 - 108 735 - 1715
Tool diameter
[ mm ]
form cutters
Steel
15 - 24 m/min
Grey cast iron
10 - 20 m/min
Al alloy
cured 150 - 250
m/min
Speed [ min
-1
]
4 1194 - 1911 796 - 1592 11900 - 19000
5 955 - 1529 637 - 1274 9550 - 15900
6 796 - 1274 531 - 1062 7900 - 13200
8 597 - 955 398 - 796 5900 - 9900
10 478 - 764 318 - 637 4700 - 7900
12 398 - 637 265 - 531 3900 - 6600
14 341 - 546 227 - 455 3400 - 5600
16 299 - 478 199 - 398 2900 - 4900