Page 473 - ISCAR(HOLE_MAKING_CATALOG_65)

USER GUIDE

BHR Rough Boring Cutting Data ITS BORE
Boring Range Boring Range Boring Range
18-28 28-50 50-68
Workpiece Hardness Overhang ap (mm) 0.5-1.2 1.2-2.5 0.8-1.5 1.5-2.5 0.8-1.5 1.5-3.0
ISO Material HB LDRED/BDRED RE (Radius) 0.2 0.4 0.2-0.4 0.4 0.2-0.4 0.4-0.8
2.5 Vc (m/min) 150-180 120-150 160-200 140-170 160-200 140-180
••• f (mm/rev) 0.1-0.2 0.08-0.2 0.15-0.2 0.15-0.2 0.15-0.25 0.08-0.2
4 Vc (m/min) 140-160 100-140 160-180 120-150 160-180 120-150
Carbon Steel HB<200
•• f (mm/rev) 0.1-0.18 0.08-0.15 0.1-0.12 0.08-0.1 0.1-0.12 0.08-0.1
6.3 Vc (m/min) 60-80 40-60 60-90 50-60 70-90 50-70
• f (mm/rev) 0.06-0.12 0.06-0.1 0.06-0.12 0.06-0.1 0.06-0.1 0.06-0.1
P
2.5 Vc (m/min) 130-160 100-130 140-180 120-160 140-180 120-160
••• f (mm/rev) 0.08-0.15 0.08-0.12 0.08-0.2 0.06-0.12 0.08-0.25 0.08-0.18
4 Vc (m/min) 110-140 80-110 100-140 80-120 100-140 80-120
Carbon Steel HB>200
•• f (mm/rev) 0.08-0.12 0.08-0.1 0.08-0.15 0.06-0.15 0.08-0.2 0.06-0.15
6.3 Vc (m/min) 70-90 60-70 80-100 60-80 80-100 60-80
• f (mm/rev) 0.08-0.1 0.06-0.08 0.06-0.1 0.06-0.08 0.08-0.15 0.06-0.1
Boring Range Boring Range Boring Range
68-120 120-200 200-500
Workpiece Hardness Overhang ap (mm) 0.8-1.5 1.5-3.5 0.8-2.0 2.0-3.5 0.8-2.0 2.0-4.0
ISO Material HB LDRED/BDRED RE (Radius) 0.2-0.4 0.4-0.8 0.2-0.4 R=0.4-0.8 R=0.2-0.4 R=0.4-0.8
2.5 Vc (m/min) 160-220 150-180 180-250 160-200 220-280 200-220
••• f (mm/rev) 0.15-0.25 0.08-0.2 0.15-0.3 0.1-0.2 0.15-0.3 0.1-0.15
4 Vc (m/min) 140-180 120-150 160-200 140-180
Carbon Steel HB<200 N.R. N.R.
•• f (mm/rev) 0.08-0.2 0.08-0.15 0.1-0.2 0.08-0.15
6.3 Vc (m/min) 70-100 50-70 N.R. N.R. N.R. N.R.
• f (mm/rev) 0.06-0.1 0.06-0.1
P
2.5 Vc (m/min) 140-180 120-160 150-170 100-140 100-140 80-120
••• f (mm/rev) 0.15-0.3 0.12-0.2 0.15-0.25 0.1-0.2 0.15-0.3 0.1-0.2
4 Vc (m/min) 120-150 100-140 100-130 80-110
Carbon Steel HB>200 N.R. N.R.
•• f (mm/rev) 0.1-0.2 0.1-0.18 0.08-0.2 0.08-0.12
6.3 Vc (m/min) 80-100 60-80 N.R. N.R. N.R. N.R.
• f (mm/rev) 0.08-0.12 0.08-0.12
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.

471