Page 90 - HOLE MAKING CATALOG p383-544

ITS BORE USER GUIDE

ISOBHR 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
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) 140-160 90-120 150-180 100-130 160-200 140-180
HB>200 ••• Vc (m/min)
Carbon Steel f (mm/rev) 0.08-0.18 0.08-0.15 0.08-0.2 0.08-0.18 0.1-0.25 0.1-0.15
4 Vc (m/min)
f (mm/rev) 100-130 70-100 110-150 90-120 140-180 100-130
•• Vc (m/min)
f (mm/rev) 0.08-0.15 0.06-0.12 0.08-0.18 0.08-0.15 0.8-0.18 0.08-0.12
6.3 Vc (m/min)
f (mm/rev) 80-100 60-90 80-100 70-90 100-140 80-120
• Vc (m/min)
f (mm/rev) 0.08-0.15 0.06-0.1 0.06-0.12 0.06-0.12 0.6-0.15 0.08-0.1
2.5
130-150 120-140 130-150 120-140 140-170 120-150
•••
0.08-0.18 0.06-0.15 0.08-0.18 0.06-0.15 0.08-0.2 0.08-0.18
4
100-130 100-120 100-130 100-120 120-150 100-120
••
0.08-0.15 0.06-0.13 0.08-0.15 0.06-0.13 0.08-0.18 0.08-0.15
6.3
80-100 70-90 80-100 70-90 100-120 70-90
•
0.08-0.12 0.06-0.11 0.08-0.12 0.06-0.11 0.08-0.12 0.06-0.11

Boring Range Boring Range Boring Range
68-120 120-200 200-500

ISO Workpiece Hardness Overhang ap (mm) 1.8 2.5 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 0.4-0.8 0.2-0.4 0.4-0.8
2.5
f (mm/rev) 160-220 140-180 160-220 140-180 160-220 140-180
••• Vc (m/min)
f (mm/rev) 0.1-0.3 0.1-0.25 0.1-0.3 0.1-0.25 0.1-0.35 0.1-0.3
4 Vc (m/min)
Carbon Steel HB<200 f (mm/rev) 150-200 120-160 120-160 120-160 N.R N.R
P •• Vc (m/min)
f (mm/rev) 0.1-0.2 0.08-0.18 0.1-0.2 0.08-0.18
Carbon Steel HB>200 6.3 Vc (m/min)
f (mm/rev) 100-140 100-140 N.R N.R N.R N.R
• Vc (m/min)
f (mm/rev) 0.08-0.18 0.08-0.15 140-200 140-180
2.5 0.01-0.35 0.01-0.3
160-200 140-180 140-200 140-180
••• 0.01-0.35 0.01-0.3 N.R N.R
0.1-0.3 0.01-0.25 150-180 120-140
4 0.08-0.12 0.08-0.12
140-160 120-140
••
0.08-0.2 0.08-0.15
6.3
100-120 70-90 N.R N.R N.R N.R
•
0.08-0.16 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.

472 ISCAR