Cutting Conditions
R392
R391
R391
R391 R392
Dc
Dc
Dc
cutting speed Vc (m/min)
feed per tooth Fn (mm/rev)
Cutting speed Vc (ft/min)
feed per tooth Fn (inch/rev)
Cutting speed Vc (ft/min)
feed per tooth Fn (inch/rev)
Carbon Steel Materials
15
0.008×Dc
50
0.008×Dc
50
0.008×Dc
GR1 Carbon Steel
<24HRC Low-alloyed Steel <30HRC Hi-alloyed Steel 30~38HRC Hardened Steel 38~48HRC Hardened Steel
15
0.008×Dc
50
0.008×Dc
50
0.008×Dc
GR2
P
12
0.006×Dc
40
0.006×Dc
40
0.006×Dc
GR3
Hardened Steel Materials
8
0.005×Dc
26
0.005×Dc
26
0.005×Dc
GR4
H
5
0.003×Dc
16
0.003×Dc
16
0.003×Dc
GR5
Stainless Steel Materials
12
0.006×Dc
40
0.006×Dc
40
0.006×Dc
GR8-1 Ferritic 、 Martensitic
12
0.006×Dc
40
0.006×Dc
40
0.006×Dc
GR8-2 Austenitic
M
12
0.006×Dc
40
0.006×Dc
40
0.006×Dc
GR8-3 Austenitic-ferritic
Austenitic-ferritic Heat-resistant
8
0.004×Dc
26
0.004×Dc
26
0.004×Dc
GR8-4
Cast Iron Materials
15
0.006×Dc
50
0.006×Dc
50
0.006×Dc
GR9-1 Grey cast iron
K
15
0.006×Dc
50
0.006×Dc
50
0.006×Dc
GR9-2 Nodular cast iron
Aluminium Steel Materials
Wrought Aluminium alloys Aluminium cast alloys <10% Aluminium cast alloys >10%
20
0.006×Dc
65
0.006×Dc
65
0.006×Dc
GR10-1
20
0.006×Dc
65
0.006×Dc
65
0.006×Dc
GR10-2
20
0.006×Dc
65
0.006×Dc
65
0.006×Dc
GR10-3
N
Copper Steel Materials
15
0.006×Dc
50
0.006×Dc
50
0.006×Dc
GR11-1 Pure Copper
15
0.006×Dc
50
0.006×Dc
50
0.006×Dc
GR11-2 Brass
15
0.006×Dc
50
0.006×Dc
50
0.006×Dc
GR11-2 Bronze
※ All cutting data serve for orientation only and should be adapted individually to the technical conditions on location . 1. Please work with good rigidity / high precision facilities and collet chuck. 2. Please choose proper cutting fluid. 3. The cutting data is reference value only. Please adjust it according to your real working conditions. 4. If RPM is lower than the reference value, the Feed rate (fz) and RPM should be reduced by the same proportion. 5. If vibration occurs during cutting, please reduce cutting parameter.
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