Page 829 - Iscar

USER GUIDE
ITS BORE

BHR Rough Boring Cutting Data

Boring Range Boring Range Boring Range
Workpiece Hardness Overhang ap (mm) D68-120 D120-200 D200-500
Material HB L/D R (Radius) 0.8-1.8 1.8-2.5 0.8-2.0 2.0-3.0 0.8-2.0 2.0-3.5
ISO 0.2-0.4 0.4-0.8 0.2-0.4 0.4-0.8 0.2-0.4 0.4-0.8
Vc (m/min) 130-220 120-200 140-220 120-180 150-220 120-20
2.5
●●● 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
Stainless Ferritic & Vc (m/min) 100-160 90-140 120-180 90-140 N.R N.R
4
Steel Martensitic ●● f (mm/rev) 0.08-0.25 0.08-0.18 0.08-0.25 0.08-0.18
Vc (m/min) 70-100 50-70
6.3 N.R N.R N.R N.R
● f (mm/rev) 0.08-0.2 0.08-0.15
Vc (m/min) 120-200 100-160 120-200 100-160 120-200 100-180
2.5
●●● 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
Stainless Austenitic Vc (m/min) 100-150 90-140 100-160 90-140 N.R N.R
4
Steel ●● f (mm/rev) 0.08-0.25 0.08-0.18 0.08-0.25 0.08-0.18
Vc (m/min) 70-100 50-70
6.3 f (mm/rev) 0.08-0.2 0.08-0.15 N.R N.R N.R N.R
M ● Vc (m/min) 130-200 120-180 140-200 120-160 140-200 120-180
2.5
●●● 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
Cast
Ferritic &
Stainless Martensitic 4 Vc (m/min) 110-150 90-150 100-160 90-140 N.R N.R
0.08-0.18
0.08-0.25
f (mm/rev)
0.08-0.25
0.08-0.18
Steel ●●
Vc (m/min) 70-100 50-70
6.3 N.R N.R N.R N.R
● f (mm/rev) 0.08-0.2 0.08-0.15
Vc (m/min) 130-180 120-180 120-200 100-160 120-200 100-180
2.5
●●● 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
Cast
90-140
100-140
90-140
100-160
Stainless Austenitic 4 Vc (m/min) 0.08-0.25 0.08-0.18 0.08-0.25 0.08-0.18 N.R N.R
f (mm/rev)
Steel ●●
Vc (m/min) 70-190 50-70
6.3 N.R N.R N.R N.R
● f (mm/rev) 0.08-0.2 0.08-0.15
N.R. = Not Recommended
Stability
– Good
●●●
●● – Normal
● – Poor

Ø
Ø Ø

A A A
A1
IHSR IHSR PLT IHSR
IHSR
IHCR IHSR

L

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

825
825