Recommended for semi-interrupted cuts
Versatile CBN designed for machining hardened materials at 55 HRC or above with light to medium interruptions
Features
- CBN with a special TiCN binder achieves a combination of wear resistance and fracture resistance
- Stable performance through light to medium interrupted machining
- G6L (coated CBN):
A special hard TiCN layer prevents a chemical reaction between the CBN and the iron in the work piece during material removal
G37 (uncoated CBN):
Ideal for machining the hardened material layer
Tooling application
Light to medium interrupted machining of hardened materials of HRC55 or above
Cutting conditions
Grade | Material | Operation type | Machining | Cutting speed (m/min) | Feed (mm/rev) | DOC (mm) | DRY | WET |
G6L/G37 | Hardened material (HRC55 or above) | Turning Light to medium interrupted machining | Finishing | 40 – 240 | ~ 0.15 | 0.1 – 1.0 | ⚫ | ⚫ |
Edge preparations
Performance comparison by edge preparation
- As the edge preparation increases the tool pressure on the insert increases.
- [ Cutting conditions ] SCM415(HRC63-65) vc=200m/min f=0.1mm/rev ap=0.2mm DRY
- [ Insert ] TNGA160408
- There is a direct correlation between an increase in the edge preparation and improvement of insert fracture resistance.
- [ Cutting conditions ]
- SCM415(HRC63-65) vc=75m/min f=0.1mm/rev ap=0.3mm DRY
- [ Insert ] TNGA160408
Case study
| Interrupted OD turning of machine parts | ||
|---|---|---|
|  | |
| Front turning Heavy interruption | ||
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| G6L | 700 pcs / corner | |
| Conventional tool | 400 pcs / corner | |
| Interrupted OD turning of automotive parts Steel – carburized & quenched | ||
|---|---|---|
|  | |
| Front turning Heavy interruption | ||
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| G6L | 400 pcs / corner | |
| Conventional tool | 150 pcs / corner | |