Page 12 - CBN_2018

Recommended Cutting Conditions for Uncoated PCBN Grades Feed Depth of

PCBN INSERTS Material Grade Continuous to light Continu- interrupted interrupted 0.03-0.18 0.05-0.30
Cutting Speed M/Min
Work
Cutting Mode
Heavy
Light
cut mm
mm/rev
ous Cut
High speed
continuous
100-300
-
-
IB05H
hard turning
interrupted grade
IB10H
for superior surface
finish
Continuous to 80-200 80-150 - 0.03-0.18 0.05-0.30
IB20H ordinarily 80-200 80-200 - 0.03-0.25 0.05-0.50
interrupted turning
Tough grade for
50-65HRC IB25H heavily interrupted - - 80-200 0.03-0.25 0.05-0.50
turning
Toughest grade for
IB90 heavily interrupted - - 80-120 0.03-0.30 0.05-0.50
turning
Finishing operations
IB55H at continuous to light 80-200 80-200 0.03-0.25 0.05-0.50
interrupted cutting
Very fine PCBN grain
IB50 High speed 80-200 80-200 0.03-0.18 0.05-0.3
continuous machining

250 IB05H

Cutting speed Vc (M/Min) 150 IB25H

100

IB10H/IB50 IB20H/IB55 IB90
50

Continuous Machining Heavy Interrupted Cut

12 ISCAR