Page 13 - CBN_2018

Recommended Cutting Conditions for Hardened Steel
with Coated PCBN Grades 50-65HRC

Cutting Speed M/Min
Work Feed Depth of
Material Grade Cutting Mode Continuous Light Heavy mm/rev cut mm
Cut interrupted interrupted
Coated grade
IB10HC for high speed 150-350 100-300 - 0.05-0.20 0.05-0.30 PCBN INSERTS
continuous turning

Coated grade
IB20HC for high speed - 150-250 150-200 0.05-0.25 0.05-0.50
interrupted turning

50-65HRC Coated grade for
IB25HA middle interrupted - 100-220 - 0.05-0.25 0.05-0.50
turning

Coated grade for
IB25HC - - 100-220 0.05-0.25 0.10-0.50
interrupted turning

300

Cutting speed Vc (M/Min) 250 IB10HC IB20HC IB25HC

150

100 IB25HA

Continuous Machining Heavy Interrupted Cut

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