Precision Cutting Tools for Hard Materials
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Case 18 · Field application

KBCN20N — Continuous turning (OD) of S55CHT medium-carbon steel: Tool-change time halved

Halved the production time lost to tool changes, raising overall line productivity at 250 m/min.

ResultTool-change time halved

Cutting conditions

KBCN20N — cutting conditions
GradeKBCN20N
Insert modelCNGA120408
Workpiece materialS55CHT medium-carbon steel (HRC55-65)
Part / featureShaft — outer diameter
OperationContinuous turning (OD)
Cutting speed vc250 m/min
Feed f0.15 mm/rev
Depth of cut ap0.30 mm
CoolantWet
Data sourceField application
Case 18 — workpiece and operation illustration (S55CHT medium-carbon steel)
Workpiece / operation illustration — case 18

Result and comparison basis

Halved the production time lost to tool changes, raising overall line productivity at 250 m/min.

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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