Result2.5× tool life
Cutting conditions
| Grade | KBCN20N |
|---|---|
| Insert model | DNGA150404 |
| Workpiece material | S55CHT medium-carbon steel (HRC55-65) |
| Part / feature | Shaft — outer diameter |
| Operation | Continuous turning (OD) |
| Cutting speed vc | 160 m/min |
| Feed f | 0.20 mm/rev |
| Depth of cut ap | 0.20 mm |
| Coolant | Wet |
| Data source | Field application |
Result and comparison basis
Tool life extended 2.5 times, securing a stable machining count per edge.
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.
Need help choosing a grade?
Send us your workpiece material, hardness and machine parameters. Our engineers will recommend the right grade and cutting data.