Page 104 - HOLE_MAKING_CATALOG_INCH_2022_P447-P626

ITS BORE BHR Rough Boring Cutting Data Boring Range Boring Range USER GUIDE

Boring Range
.7-1.1
1.1-2.0
2.0-2.7
.04-.07
.04-.07
.02-.04
.02-.05
.02-.04
.05-.08
Overhang
Workpiece Hardness
ap (inch)
ISO
HB
.008
LDRED/BDRED
Material
.016
.016
525-655
460-590
Vc (SFM)
490-590
2.5 RE (Radius) 460-525 295-395 .008-.016 330-425 .008-.016 .016-.031
••• f (IPR) .003-.007 .003-.006 .003-.008 .003-.007 .004-.010 .004-.006
4 Vc (SFM) 330-425 230-330 360-490 295-395 460-590 330-425
Carbon Steel HB<200
•• f (IPR) .003-.006 .002-.005 .003-.007 .002-.005 .002-.006 .003-.004
6.3 Vc (SFM) 260-330 195-295 260-330 230-395 330-460 260-395
• f (IPR) .003-.006 .002-.004 .002-.005 .002-.005 .002-.006 .003-.004
P
2.5 Vc (SFM) 425-490 395-460 395-490 395-460 460-560 395-490
••• f (IPR) .003-.007 .002-.006 .003-.007 .002-.006 .003-.008 .003-.007
4 Vc (SFM) 330-425 330-395 330-425 330-395 395-490 330-395
Carbon Steel HB>200
•• f (IPR) .003-.006 .002-.005 .003-.006 .002-.005 .003-.007 .003-.006
6.3 Vc (SFM) 260-330 230-295 260-330 230-295 330-395 230-295
• f (IPR) .003-.005 .002-.004 .003-.005 .002-.004 .003-.005 .002-.004
Boring Range Boring Range Boring Range
2.7-4.7 4.7-7.9 7.9-19.7
Workpiece Hardness Overhang ap (inch) .07 0.1 .03-.08 .08-.14 .03-.08 .08-.16
ISO Material HB LDRED/BDRED RE (Radius) .008-.016 .016-.031 .008-.016 .016-.031 .008-.016 .016-.031
2.5 Vc (SFM) 525-720 460-590 525-720 460-590 525-720 460-590
••• f (IPR) .004-.012 .004-.010 .004-.012 .004-.010 .004-.014 .004-.012
4 Vc (SFM) 490-655 395-525 395-525 395-525
Carbon Steel HB<200 N.R.
•• f (IPR) .004-.008 .003-.007 .004-.008 .003-.007 N.R.
6.3 Vc (SFM) 330-460 330-460 N.R. N.R. N.R. N.R.
• f (IPR) .003-.007 .003-.006
P
2.5 Vc (SFM) 525-655 460-590 460-655 460-590 460-655 460-590
••• f (IPR) .004-.012 .004-.010 .004-.014 .004.012 .004-.014 .004-.012
4 Vc (SFM) 460-525 395-460 490-590 395-460
Carbon Steel HB>200 N.R. N.R.
•• f (IPR) .003-.008 .003-.006 .003-.005 .003-.005
6.3 Vc (SFM) 330-395 230-295
• f (IPR) .003-.003 .003-.005 N.R. N.R. N.R. N.R.
N.R. = Not Recommended
Stability
••• Good
•• Normal
• Poor
Ø
Ø Ø
A A
A1 A
IHSR
IHSR IHSR PLT IHSR
IHCR IHSR
LDRED
BDRED
In case of a single or a stepped boring cutter configuration, only half the feed should be applied.

550 ISCAR