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Cutting Data
N9MT-R Insert >> Corner Rounding
R Insert
Work Material
(4 cutting edges)
Vc (m/min) f (mm/rev.) Grade of Insert
Carbon Steel 150~320 0.05~0.10 NC2071
Alloy steel 100~250 0.04~0.08 NC2071
60~80 0.03~0.06 NC2071
150~250 0.05~0.10 NC2071
High alloy steel
Cast iron
LA Insert >> 45° Chamfering
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Formula
Į
S =
d
Vc X 1000
r.p.m.
d X
point angle 90°
d = effective diameter
Vc = cutting speed-m/min.or ft/min.
F = S x f
mm/min.
S = Spindle speed
f = feed per rev.-mm/rev.
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Work Material
Vc (m/min) f (mm/rev.) Grade of Insert
Carbon Steel 150-320 0.05~0.10 NC40
Alloy Steel 100-250 0.04~0.08 NC40
High alloy steel 60-80 0.03~0.06 NC40
Stainless Steel 65-125 0.03~0.06 NC10
Cast iron 150-250 0.05~0.10 NC10, NC40
Aluminum, AI-alloy Si < 12% 150-320 0.05~0.10 NC10
Al-alloy Si >12% 100-300 0.05~0.10 NC10
Cu 200-250 0.05~0.10 NC10
Brass and Bronze 150-250 0.05~0.10 NC10
60-80 0.05~0.10 NC60
Hardened steel 40~56 HRC
Nine9 Cutting Tool & Tool Holders 35