Page 89 - HOLE MAKING CATALOG p383-544

USER GUIDE
ISO ISO
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
Material HB LDRED/BDRED RE (Radius)
Vc (m/min) 0.2 0.4 0.2-0.4 0.4 0.2-0.4 0.4-0.8
Carbon Steel HB<200 2.5
P f (mm/rev) 150-180 120-150 160-200 140-170 160-200 140-180
HB>200 ••• Vc (m/min)
Carbon Steel 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)
f (mm/rev) 140-160 100-140 160-180 120-150 160-180 120-150
•• Vc (m/min)
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)
f (mm/rev) 60-80 40-60 60-90 50-60 70-90 50-70
• Vc (m/min)
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
2.5
130-160 100-130 140-180 120-160 140-180 120-160
•••
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
110-140 80-110 100-140 80-120 100-140 80-120
••
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
70-90 60-70 80-100 60-80 80-100 60-80
•
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
LDRED/BDRED RE (Radius)
Material HB Vc (m/min) 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
f (mm/rev) 160-220 150-180 180-250 160-200 220-280 200-220
••• Vc (m/min)
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)
Carbon Steel HB<200 f (mm/rev) 140-180 120-150 160-200 140-180 N.R. N.R.
P •• Vc (m/min)
f (mm/rev) 0.08-0.2 0.08-0.15 0.1-0.2 0.08-0.15
Carbon Steel HB>200 6.3 Vc (m/min)
f (mm/rev) 70-100 50-70 N.R. N.R. N.R. N.R.
• Vc (m/min)
f (mm/rev) 0.06-0.1 0.06-0.1 100-140 80-120
2.5 0.15-0.3 0.1-0.2
140-180 120-160 150-170 100-140
••• 0.15-0.25 0.1-0.2 N.R. N.R.
0.15-0.3 0.12-0.2 100-130 80-110
4 0.08-0.2 0.08-0.12
120-150 100-140
••
0.1-0.2 0.1-0.18
6.3
80-100 60-80 N.R. N.R. N.R. N.R.
•
0.08-0.12 0.08-0.12

N.R. = Not Recommended

Stability

••• Good
•• Normal
• Poor

Ø

Ø Ø

A A A1 A
IHSR PLT
IHSR IHSR

IHCR IHSR
LDRED

BDRED

In case of a single or a stepped boring cutter configuration, only half the feed should be applied.

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