KOMET MicroKom BluFlex ® 2
guide values for precision drilling
Material
Material example
material code/DIN
non-alloy steels 1.0037(S235JR); 1.0715(11SMn30);
1.0
# 500
1.0044(S2575JR)
500-
non-alloy / low alloy steels 1.0050(E295); 1.0535(C55);
2.0
900
1.7131(16MnCr5)
2.1
< 500
lead alloys 1.0718(11SMnPb30)
non alloy / low alloy steels: heat resistant structural,
3.0
> 900
heat treated, nitride and tools steels 1.7225(42CrMo4);
1.1221(C60E)
high alloy steels 1.2341(6CrMo15-5);
4.0
> 900
1.2601(X165CrMoV12)
4.1
HSS
special alloys
5.0
250
2.4668(NiuCr19Fe19Nb5Mo3); 2.4631
(Nimonic 80A)
titanium, titanium alloys
5.1
400
3.7115 (TiAl5Sn2.5)
stainless steels 1.4306(X2CrNi19-11);
6.0
# 600
1.4401(X5CrNiMo17-12-2)
stainless steels 1.4511(X3CrNb17);
6.1
< 900
1.4571(X10CrNiMoTi17-12-2)
stainless / fireproof steels
7.0
> 900
1.4713(X10CrAlSi7); 1.4862(X8NiCrSi38-18)
gray cast iron 0.6025(EN-GJL-250); 0.6035(EN-
8.0
180
GJL-350)
alloy gray cast iron
8.1
250
0.6660(GGL-NiCr20 2)
spheroidal graphite cast iron (ferritic)
9.0
# 600 130
0.7040(EN-GJS-400-15)
spheroidal graphite cast iron (ferritic/perlitic)
9.1
230
0.7050(EN-GJS-500-7); 0.7055(GGG-55);
0.8055(GTW-55)
spheroidal graphite cast iron (perlitic),
10.0
> 600 250
malleable iron
0.7060(EN-GJS-600-3); 0.8165(GTS-65)
alloyed spheroidal graphite cast iron
10.1
200
0.7661(EN-GJSA-XNiCr20-2)
vermicular cast iron
10.2
300
EN-GJV Ti < 0,2; EN-GJV Ti > 0,2
copper alloy, brass, lead-alloy bronze, lead bronze
12.0
90
(good cut)
2.0375(CuZn36Pb3); 2.1182.01(G-CuPb15Sn)
copper alloy, brass, bronze (average cut)
12.1
100
2.0550(CuZn40Al2); 2.0060(E-Cu57)
wrought aluminium alloys
13.0
60
3.3315(AlMg1); 3.0517(AlMnCu)
cast aluminium alloy (Si-content <10%), magne-
13.1
75
sium alloy 3.3561(G-AlMg5); 3.2373.61(G-
AlSi9Mg wa)
cast aluminium alloy (Si-content >10%)
14.0
100
3.2381.01(G-AlSi10Mg)
15.0
1400
hardened steels (< 45 HRC)
16.0
1800
hardened steels (> 45 HRC)
Note: The application details shown depend on the environmental and application conditions
(e.g. machine, ambient temperature, use of lubricant/coolant and the machining result required).
28
v c (m/min)
f max. (mm/rev)
Cutting
speed
300
250
300
240
200
120
50
30
200
180
120
240
200
180
180
160
140
120
400
300
500
350
300
80
60
> 3,5 × D
X 6 – 7,9
max.
feed
0,04
0,04
0,04
0,03
0,03
0,02
0,01
0,01
0,01
0,01
0,01
0,05
0,05
0,04
0,04
0,04
0,03
0,03
0,02
0,05
0,02
0,05
0,05