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Case 27 · Field application

KBCN20N — Grooving of SCM420H case-hardening steel: 600 vs 270 pcs

600 parts grooved per edge against 270 with the previously used grade.

Result600 vs 270 pcs

Cutting conditions

KBCN20N — cutting conditions
GradeKBCN20N
Insert modelMGMN200
Workpiece materialSCM420H case-hardening steel (HRC60)
Part / featureInput shaft — groove
OperationGrooving
Cutting speed vc130 m/min
Feed f0.10 mm/rev
Depth of cut ap0.12 mm
CoolantWet
Data sourceField application
Case 27 — workpiece and operation illustration (SCM420H case-hardening steel)
Workpiece / operation illustration — case 27

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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