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Case 14 · Field test at customer site

KBN9530 — Interrupted turning of Hardened steel shaft: Ranked 1st in the comparison

In a same-condition comparison on heavy interrupted turning (interrupted ratio above 30%) of 60 HRC shafts, KBN9530 ranked first and KBN7030 second.

ResultRanked 1st in the comparison

Cutting conditions

KBN9530 — cutting conditions
GradeKBN9530
Insert modelVNGA160408
Workpiece materialHardened steel shaft (HRC)
Part / featureShaft — outer diameter
OperationInterrupted turning
Cutting speed vc30 m/min
Feed f0.05
Depth of cut ap0.06 mm
CoolantDry
Data sourceField test at customer site

Result and comparison basis

In a same-condition comparison on heavy interrupted turning (interrupted ratio above 30%) of 60 HRC shafts, KBN9530 ranked first and KBN7030 second.

Comparison basis: KBN7030, second place.

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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