SUMIBORON Flank Wear Width (mm) SUMIBORON / Coated SUMIBORON Grade Guidance Exotic Alloy TITANIUM ALLOY CUTTING ● Advantages of titanium alloy machining with SUMIBORON 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 NCB100 Q 100 0.2 to 0.5 51 to 54 1.8 to 1.9 Q Q Ideal for high-efficiency finishing oftitanium alloy. L Transverse rupture strength measured with test piece equivalent to insert CBN layer Performance Recommended Cutting Conditions 0.4 ▲ Carbide Work Material Recommended Cutting Conditions Min. - Optimum - Max. 0.30.2 Conventional CBN ◆ ■ Conventional NCB100 PCD● ● Composition Hardness Grade(HRC) Cutting Speed vc (m/min)50100150 200 250 300Feed Rate f(mm/rev)Depth of Cut ap(mm)Ti-6Al-4V30 - 35 NCB1000.05 - 0.15 - 0.200.10 - 0.30 - 0.50 ◆ ■0.1●■▲◆●▲◆■●■◆●◆■ ■ ● ■ ● ■ ● ●●●● Ti-5Al-5V-5Mo-3Cr 32 - 38 NCB100 0.05 - 0.10 - 0.20 0.10 - 0.30 - 0.50 ●■▲◆0 10 20 30 40 Ti-10V-2Fe-3Al 32 - 38 NCB100 0.05 - 0.10 - 0.20 0.10 - 0.30 - 0.50 Cutting Distance (km) Work Material: Titanium Alloy (Ti-6Al-4V) Tool Cat. No.: CNGA120408 Cutting Conditions: V C = 150m/min, f = 0.15mm/rev, ap = 0.5mm Wet (High Pressure Coolant) L11