Cutting Conditions
F521HX
F521HX
F520HX
F520HX
F520HX F521HX
ae
ae
Dc
Dc
Dc
Dc
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)
ae
ap
ae
ap
ae
ap
ae
ap
Carbon Steel Materials
120 0.02×Dc 0.2×Dc 0.1×Dc 120 0.023×Dc 0.2×Dc 0.1×Dc 120 0.02×Dc 0.2×Dc 0.1×Dc 120 0.023×Dc 0.2×Dc 0.1×Dc
GR1 Carbon Steel
<24HRC Low-alloyed Steel <30HRC Hi-alloyed Steel 30~38HRC Hardened Steel 38~48HRC Hardened Steel
110 0.02×Dc 0.2×Dc 0.1×Dc 110 0.022×Dc 0.2×Dc 0.1×Dc 110 0.02×Dc 0.2×Dc 0.1×Dc 110 0.022×Dc 0.2×Dc 0.1×Dc
GR2
P
100 0.018×Dc 0.2×Dc 0.1×Dc 100 0.021×Dc 0.2×Dc 0.1×Dc 100 0.018×Dc 0.2×Dc 0.1×Dc 100 0.021×Dc 0.2×Dc 0.1×Dc Hardened Steel Materials
GR3
60 0.015×Dc 0.02×Dc 0.02×Dc 60 0.015×Dc 0.02×Dc 0.02×Dc 60 0.015×Dc 0.02×Dc 0.02×Dc 60 0.015×Dc 0.02×Dc 0.02×Dc
GR4
H
55 0.012×Dc 0.02×Dc 0.02×Dc 55 0.012×Dc 0.02×Dc 0.02×Dc 55 0.012×Dc 0.02×Dc 0.02×Dc 55 0.012×Dc 0.02×Dc 0.02×Dc Cast Iron Materials
GR5
120 0.02×Dc 0.2×Dc 0.1×Dc 120 0.023×Dc 0.2×Dc 0.1×Dc 120 0.02×Dc 0.2×Dc 0.1×Dc 120 0.023×Dc 0.2×Dc 0.1×Dc
GR9-1 Grey cast iron
K
120 0.02×Dc 0.2×Dc 0.1×Dc 120 0.023×Dc 0.2×Dc 0.1×Dc 120 0.02×Dc 0.2×Dc 0.1×Dc 120 0.023×Dc 0.2×Dc 0.1×Dc
GR9-2 Nodular cast iron
※ All cutting data are for reference only. Please adjust according to actual machining conditions. 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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