CBN Lineup Negative inserts


CBN inserts for machining hardened material

H chipbreaker series C
Unique molded chipbreaker provides excellent chip control when machining
hardened material. 3 Chipbreaker styles for a wide range of machining applications.


CBN & PCD Tools
Chipbreaker Application Recommended cutting range

HH Hardened steel finishing
1st Recommendation 55HRC or more
Small D.O.C.
ap = 0.1 ~ 0.3 mm

HL Hardened steel finishing
55HRC or less


HD Removing carburized layer
From carburized layer to unhardened layer
Large D.O.C.
ap = 0.3 ~ 0.7 mm


MEGACOAT CBN
Properties of PVD coating Advantages of MEGACOAT
40
35
Hardness (GPa)


30
TiCN Improved Stability
TiAIN MEGACOAT
25
TiN
20
15 High speed
Extended tool life
10
400 600 800 1,000 1,200
machining
Oxidation temperature (°C)
Low Oxidation resistance High
Long tool life and stable machining due to superior
heat-resistance and hardness.
Stability improvement through prevention of crater wear
(oxidation, diffusional wear).
High thermal stability and surface smoothness provide
excellent surface finish.


C3