Page 92 - HOLE MAKING CATALOG p383-544

ITS BORE USER GUIDE

ISOBHR Rough Boring Cutting Data

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

Workpiece Hardness Overhang ap (mm) 0.8-1.8 1.8-2.5 0.8-2.0 2.0-3.0 0.8-2.0 2.0-3.5
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) 130-220 120-200 140-220 120-180 150-220 120-20
••• Vc (m/min)
f (mm/rev) 0.08-0.3 0.08-0.25 0.08-0.3 0.08-0.25 0.08-0.3 0.08-0.25
4 Vc (m/min)
Stainless Ferritic & f (mm/rev) 100-160 90-140 120-180 90-140 N.R N.R
Steel Martensitic •• Vc (m/min)
f (mm/rev) 0.08-0.25 0.08-0.18 0.08-0.25 0.08-0.18
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) 0.08-0.2 0.08-0.15 120-200 100-180
2.5 Vc (m/min) 0.08-0.3 0.08-0.25
f (mm/rev) 120-200 100-160 120-200 100-160
••• Vc (m/min) 0.08-0.3 0.08-0.25 N.R N.R
f (mm/rev) 0.08-0.3 0.08-0.25 100-160
4 Vc (m/min) 0.08-0.25 90-140
Stainless Austenitic f (mm/rev) 100-150 90-140 0.08-0.18
Steel •• Vc (m/min)
f (mm/rev) 0.08-0.25 0.08-0.18
6.3 Vc (m/min)
f (mm/rev) 70-100 50-70 N.R N.R N.R N.R
• Vc (m/min)
M f (mm/rev) 0.08-0.2 0.08-0.15 140-200 120-180
2.5 0.08-0.3 0.08-0.25
130-200 120-180 140-200 120-160
••• 0.08-0.3 0.08-0.25 N.R N.R
Cast 0.08-0.3 0.08-0.25 100-160
Stainless 4 0.08-0.25 90-140
Ferritic & 110-150 90-150 0.08-0.18
Steel Martensitic ••
0.08-0.25 0.08-0.18
6.3
70-100 50-70 N.R N.R N.R N.R
•
0.08-0.2 0.08-0.15 120-200 100-180
2.5 0.08-0.3 0.08-0.25
130-180 120-180 120-200 100-160
••• 0.08-0.3 0.08-0.25 N.R N.R
Cast 0.08-0.3 0.08-0.25 100-160
Stainless 4 0.08-0.25 90-140
Austenitic 100-140 90-140 0.08-0.18
Steel ••
0.08-0.25 0.08-0.18
6.3
70-190 50-70 N.R N.R N.R N.R
•
0.08-0.2 0.08-0.15

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.

474 ISCAR