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Case 23 · Field application

KBCN35N — Interrupted turning of SCM815 alloy steel: No edge breakage

No breakage in heavy interrupted turning of large-diameter shafts (φ228 mm), enabling stable machining.

ResultNo edge breakage

Cutting conditions

KBCN35N — cutting conditions
GradeKBCN35N
Insert modelDNGA150408
Workpiece materialSCM815 alloy steel
Part / featureLarge shaft φ228 × 500–600 mm — outer diameter
OperationInterrupted turning
Cutting speed vc150 m/min
Feed f0.15 mm/rev
Depth of cut ap0.15 mm
CoolantDry
Data sourceField application
Case 23 — workpiece and operation illustration (SCM815 alloy steel)
Workpiece / operation illustration — case 23

Result and comparison basis

No breakage in heavy interrupted turning of large-diameter shafts (φ228 mm), enabling stable machining.

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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