Result600 vs 270 pcs
Cutting conditions
| Grade | KBCN20N |
|---|---|
| Insert model | MGMN200 |
| Workpiece material | SCM420H case-hardening steel (HRC60) |
| Part / feature | Input shaft — groove |
| Operation | Grooving |
| Cutting speed vc | 130 m/min |
| Feed f | 0.10 mm/rev |
| Depth of cut ap | 0.12 mm |
| Coolant | Wet |
| Data source | Field application |

Result and comparison basis
600 parts grooved per edge against 270 with the previously used grade.
Comparison basis: Previously used grade (270 parts).
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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