SUMIDIA - Polycrystalline Diamond Tools PCD - SUMIDIA Binderless Inserts
Nano-Polycrystalline Diamond
Nano-polycrystalline diamond is polycrystalline diamond that directly binds nano-order diamond particles with high strength without using any binders. This proprietary Sumitomo material is harder than polycrystalline diamond with a binder, achieving excellent wear resistance and fracture resistance. Binderless PCD tools use this super-high-performance nano-polycrystalline diamond material in their cutting edges. ■ General Features
M
■ Comparison of Structures
■ Hardness
Nano-Polycrystalline Diamond Tool SEM Profile
Conventional PCD SEM Profile
Nano-Polycrystalline Diamond
Ultra-hard with no anisotropy
Binder (Co)
Single-Crystal Diamond
Hardness depends on crystal orientation
C
Conventional PCD
Load 4.9N
0
50
100
150
100nm
5μm
D
Knoop Hardness HK (GPa)
Diamond particles (30 to 50nm)
Diamond particles (1 to 10μm)
■ Application Examples ● Ballnose Endmills and Radius Endmills (Cemented Carbide Cutting) PCD - SUMIDIA - Binderless
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● Indexable Inserts (Cemented Carbide Cutting)
T
V
W
● Drill (Drilling of Ceramics)
● Tool Holder (Ultra-Precision Cutting of Cemented Carbide)
M4
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