ResultNo edge breakage
Cutting conditions
| Grade | KBCN35N |
|---|---|
| Insert model | DNGA150408 |
| Workpiece material | SCM815 alloy steel |
| Part / feature | Large shaft φ228 × 500–600 mm — outer diameter |
| Operation | Interrupted turning |
| Cutting speed vc | 150 m/min |
| Feed f | 0.15 mm/rev |
| Depth of cut ap | 0.15 mm |
| Coolant | Dry |
| Data source | Field application |

Result and comparison basis
No breakage in heavy interrupted turning of large-diameter shafts (φ228 mm), enabling stable machining.
Comparison basis: Previously used grade.
Comparative data from Koves internal cutting tests and customer field applications. Competitor grades are anonymized as reference grades. Results depend on workpiece, machine and setup; validate on your own production before adopting parameters.
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