Table 1 Insert types and geometries.
Cutting insert |
Insert type-1 |
Insert type -2 |
Insert type -3 |
|---|---|---|---|
Brand | Kennametal | Kennametal | Walter |
ISO code | CNMG 120408 CNMG 120408 CNMG 120408 | ||
Chip breaker | MP | RP | NM4 |
Coatings | CVD (TiN-TiCN-TiN) | CVD (TiN-TiCN-TiN) | CVD (TiCN-Al2O3-TiN) |
Tool holder |
TCLNL 25 25 M12 (MRK) | ||
Tool holder geometry (mm) | 25 × 25 × 150 | ||
Length of cutting edge (mm) | 12.896 | ||
Thickness (mm) | 4.763 | ||
Nose radius (mm) | 0.8 | ||
Inclination angle | − 6° | ||
Rake angle | − 6° | ||
Approach angle | 95° | ||
Clearance angle | 7° | ||
Included angles | 80° | ||
