Result1,102 pcs — more than 2× the reference
Cutting conditions
| Grade | KBN6020 |
|---|---|
| Insert model | 4.5mm 切槽刀片 MGMN450 |
| Workpiece material | TL4227 (HRC58-62) |
| Part / feature | Groove / parting |
| Operation | Grooving |
| Cutting speed vc | 160 m/min |
| Feed f | 0.25 mm/rev |
| Depth of cut ap | 0.2–0.3 mm |
| Coolant | Dry |
| Data source | Field test at customer site |
Result and comparison basis
KBN6020 delivered 1,102 and 1,050 parts in two tests; the competitor grooving insert reached only 450 and 500 — more than double the tool life at 160 m/min.
Comparison basis: Competitor grooving insert.
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.