SUMIBORON / Coated SUMIBORON CBN Grade Guidance
Exotic Alloy
TITANIUM ALLOY CUTTING
● Advantages of titanium alloy machining with SUMIBORON CBN ( SUMIBORON) enables high speed machining of titanium alloys that were previously difficult to machine with conventional tools, drastically improving machining efficiency.
Recommended Grade
Grade
Binder CBN Content (%) Grain Size (μm) Hardness HV (GPa) Transverse Rupture Strength (GPa) Main Coating Components Coating Thickness (μm)
Features
Ideal for high-ef ciency nishing of titanium alloy.
Q
Q Q
NCB100
100
0.2 to 0.5
51 to 54
1.8 to 1.9
L
Transverse rupture strength measured with test piece equivalent to insert CBN layer
Performance
Recommended Cutting Conditions
Carbide
▲
.0157
Part Material
Recommended Cutting Conditions Cutting Speed v c (SFM)
Min. - Max.
Grade
Feed Rate f (IPR)
Depth of Cut a p (inch)
Hardness (HRC)
.0118
Composition
165 330 500 660 825 1000
Conventional CBN
NCB100
◆
Conventional PCD
■
.0079
● ●
NCB100
.0039 - .0197
Ti-6Al-4V
30 - 35
.0039 - .0197
●
■
◆ ■
●
●
■■
▲
.0039
● ●
◆◆ ■ ■
NCB100
▲ ▲ ◆ ◆◆
.0039 - .0197
32 - 38
Ti-5Al-5V-5Mo-3Cr
.0039 - .0197
●●
■ ● ●● ■
.0039 - .0197
NCB100
32 - 38
Ti-10V-2Fe-3Al
.0039 - .0197
0
60
120
180
240
Time In Cut (minutes)
Work Material: Titanium Alloy (Ti-6Al-4V) Tool Cat. No.: CNGA432 Cutting Conditions: V C = 500 SFM,
f = 0.0059 IPR, a
p = .0197"
Wet (High Pressure Coolant)
L11
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