
Heavy turning of large bearing rings
CNMM190624 equivalent tested against a premium-brand insert in continuous rough turning.
- Material
- 100CrMoMnSi8-4-6 bearing steel
- Parameters
- Vc ≈ 220 m/min · f ≈ 0.8 mm/rev · ap ≈ 5–6 mm
- Result
- 10-piece sample achieved approximately equivalent tool life under the same parameters.




