Page 91 - HOLE MAKING CATALOG p383-544

USER GUIDE
ISO

ITS BORE
BHR Rough Boring Cutting Data

Boring Range Boring Range Boring Range
18-28 28-50 50-68

Workpiece Hardness Overhang ap (mm) 0.5-1.0 1.0-1.8 0.5-1.0 1.0-1.8 0.5-1.2 1.2-2.0
LDRED/BDRED RE (Radius)
Material HB Vc (m/min) 0.2 0.4 0.2-0.4 0.4 0.2-0.4 0.4-0.8
2.5
f (mm/rev) 100-150 110-130 120-160 100-150 120-160 110-160
••• Vc (m/min)
f (mm/rev) 0.08-0.15 0.06-0.12 0.08-0.18 0.06-0.12 0.08-0.25 0.08-0.18
4 Vc (m/min)
Stainless Ferritic & f (mm/rev) 90-130 90-120 100-140 90-140 100-150 80-120
Steel Martensitic •• Vc (m/min)
f (mm/rev) 0.08-0.12 0.06-0.1 0.08-0.12 0.06-0.1 0.08-0.18 0.08-0.12
6.3 Vc (m/min)
f (mm/rev) 60-90 50-70 60-90 50-70 70-100 50-70
• Vc (m/min)
f (mm/rev) 0.06-0.1 0.06-0.1 0.06-0.12 0.06-0.1 0.06-0.15 0.08-0.1
2.5 Vc (m/min)
f (mm/rev) 110-130 100-130 120-150 110-140 110-160 100-150
••• Vc (m/min)
f (mm/rev) 0.08-0.15 0.06-0.12 0.08-0.18 0.06-0.12 0.08-0.25 0.06-0.12
4 Vc (m/min)
Stainless Austenitic f (mm/rev) 80-110 80-110 90-130 90-120 100-150 90-130
Steel •• Vc (m/min)
f (mm/rev) 0.08-0.12 0.06-0.1 0.08-0.12 0.06-0.1 0.08-0.18 0.06-0.1
6.3 Vc (m/min)
f (mm/rev) 60-90 50-70 60-90 50-70 70-100 50-70
• Vc (m/min)
M f (mm/rev) 0.06-0.1 0.06-0.1 0.06-0.12 0.06-0.1 0.06-0.15 0.06-0.1
2.5
90-130 100-130 120-150 110-140 120-160 100-150
•••
Cast 0.08-0.15 0.06-0.12 0.08-0.18 0.06-0.12 0.08-0.25 0.06-0.12
Stainless 4
Ferritic & 70-110 80-110 90-130 90-120 100-150 90-130
Steel Martensitic ••
0.08-0.12 0.06-0.1 0.08-0.12 0.06-0.1 0.08-0.18 0.06-0.1
6.3
60-90 50-70 60-90 50-70 70-100 50-70
•
0.06-0.1 0.06-0.1 0.06-0.12 0.06-0.1 0.06-0.15 0.06-0.1
2.5
80-120 70-110 100-150 90-140 110-150 100-150
•••
Cast 0.08-0.15 0.06-0.12 0.08-0.18 0.06-0.1 0.08-0.25 0.06-0.12
Stainless 4
Austenitic 70-100 70-100 80-130 70-120 90-140 90-130
Steel ••
0.08-0.12 0.06-0.1 0.08-0.12 0.06-0.1 0.08-0.18 0.06-0.1
6.3
60-90 50-70 60-90 50-70 70-100 50-70
•
0.06-0.1 0.06-0.1 0.06-0.12 0.06-0.1 0.06-0.15 0.06-0.1

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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