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ITS BORE Cutting Conditions for BHD / BHFI / BHEI Fine Boring Heads USER GUIDE

ap
.004-.010
Cutting Feed f=IPR
Speed Insert Radius
ISO Material LDRED/BDRED Stability Vc=SFM RE=.008 RE=.016 Insert Grade
LDRED/BDRED=2.5 good 655-985 .002-.003 .003-.004 IC20N
Carbon Steel LDRED/BDRED=4 normal 525-820 .002-.003 .003-.004 IC30N
HB<200
LDRED/BDRED=6.3 difficult 230-330 .002-.003 - IC54
LDRED/BDRED=2.5 good 525-820 .002-.003 .003-.004 IC20N
Carbon Steel
P LDRED/BDRED=4 normal 490-655 .002-.003 .003-.004 IC30N
HB<200
LDRED/BDRED=6.3 difficult 230-330 .002-.003 -
LDRED/BDRED=2.5 good 330-460 .002-.003 .003-.004
Alloyed Steel (1)
HB 480-550 LDRED/BDRED=4 normal 330-460 .002-.003 .003-.004 IC54
LDRED/BDRED=6.3 difficult 230-330 .002-.003 -
LDRED/BDRED=2.5 good 490-655 .002-.003 .003-.004 IC20N/30N
Stainless Steel
M LDRED/BDRED=4 normal 330-460 .002-.003 .003-.004 IC54
AISI 304-316
LDRED/BDRED=6.3 difficult 230-330 .002-.003 .003-.004 IC908
LDRED/BDRED=2.5 good 330-460 .002-.003 .003-.004
K Cast Iron LDRED/BDRED=4 normal 330-460 .002-.003 .003-.004 IC20
LDRED/BDRED=6.3 difficult 230-330 .002-.003 -
LDRED/BDRED=2.5 good 300-400 .002-.003 .003-.004
N Aluminum LDRED/BDRED=4 normal 250-350 .002-.003 .003-.004 IC20
LDRED/BDRED=6.3 difficult 330-490 .002-.003 -
(1) ap= .004 min

556 ISCAR