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Case 28 · Field application

KBCN25N — Face turning of SUJ bearing steel: 1.5× tool life

Under identical cutting conditions, life extended by more than 1.5 times.

Result1.5× tool life

Cutting conditions

KBCN25N — cutting conditions
GradeKBCN25N
Insert modelCNGA120408
Workpiece materialSUJ bearing steel (HRC50)
Part / featureClamp cylinder — face
OperationFace turning
Cutting speed vc130 m/min
Feed f0.08 mm/rev
Depth of cut ap0.05 mm
CoolantWet
Data sourceField application
Case 28 — workpiece and operation illustration (SUJ bearing steel)
Workpiece / operation illustration — case 28

Result and comparison basis

Under identical cutting conditions, life extended by more than 1.5 times.

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.

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