Cutting Conditions
D914
D913
D904
D903
D903 D904 D913 D914
cutting speed Vc (m/min)
feed per tooth fz(mm)
cutting speed Vc (m/min)
feed per tooth fz(mm)
cutting speed Vc (m/min)
feed per tooth fz(mm)
cutting speed Vc (m/min)
feed per tooth fz(mm)
Carbon Steel Materials
70
0.004xDc
80
0.005xDc
70
0.004xDc
80
0.005xDc
GR1 Carbon Steel
<24HRC Low-alloyed Steel <30HRC Hi-alloyed Steel 30~38HRC Hardened Steel 38~48HRC Hardened Steel
60
0.004xDc
70
0.005xDc
60
0.004xDc
70
0.005xDc
GR2
P
50
0.004xDc
60
0.004xDc
50
0.004xDc
60
0.004xDc
GR3
Hardened Steel Materials
40
0.003xDc
35
0.003xDc
40
0.003xDc
35
0.003xDc
GR4
H
30
0.002xDc
30
0.002xDc
30
0.002xDc
30
0.002xDc
GR5
Cast Lron Materials
70
0.004xDc
80
0.005xDc
70
0.004xDc
80
0.005xDc
GR9-1 Grey cast iron
K
70
0.004xDc
80
0.005xDc
70
0.004xDc
80
0.005xDc
GR9-2 Nodular cast iron
Aluminium Steel Materials
Wrought Aluminium alloys Aluminium cast alloys <10% Aluminium cast alloys >10%
200
0.007xDc
200
0.007xDc
200
0.007xDc
200
0.007xDc
GR10-1
200
0.007xDc
200
0.007xDc
200
0.007xDc
200
0.007xDc
GR10-2
180
0.007xDc
180
0.007xDc
180
0.007xDc
180
0.007xDc
GR10-3
N
Copper Steel Materials
60
0.004xDc
70
0.005xDc
60
0.004xDc
70
0.005xDc
GR11-1 Pure Copper
70
0.004xDc
80
0.005xDc
70
0.004xDc
80
0.005xDc
GR11-2 Brass
60
0.004xDc
70
0.005xDc
60
0.004xDc
70
0.005xDc
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 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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