Page 826 - Iscar

USER GUIDE
ITS BORE BHR Rough Boring Cutting Data

D18-28
D28-50
D50-68
Workpiece Hardness Overhang ap (mm) Boring Range Boring Range Boring Range
Material HB L/D R (Radius) 0.5-1.2 1.2-2.5 0.8-1.5 1.5-2.5 0.8-1.5 1.5-3.0
0.2 0.4 0.2-0.4 0.4 0.2-0.4 0.4-0.8
ISO
Vc (m/min) 150-180 120-150 160-200 140-170 160-200 140-180
2.5 0.1-0.2 0.08-0.2 0.15-0.2 0.15-0.2 0.15-0.25
●●● f (mm/rev) 0.08-0.2
Carbon HB<200 Vc (m/min) 140-160 100-140 160-180 120-150 160-180 120-150
4
Steel ●● 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
Vc (m/min) 60-80 40-60 60-90 50-60 70-90 50-70
6.3 0.06-0.12 0.06-0.1 0.06-0.12 0.06-0.1 0.06-0.1 0.06-0.1
● f (mm/rev)
P
2.5 Vc (m/min) 130-160 100-130 140-180 120-160 140-180 120-160
●●● f (mm/rev) 0.08-0.15 0.08-0.12 0.08-0.2 0.06-0.12 0.08-0.25 0.08-0.18
Carbon HB>200 4 Vc (m/min) 110-140 80-110 100-140 80-120 100-140 80-120
Steel ●● f (mm/rev) 0.08-0.12 0.08-0.1 0.08-0.15 0.06-0.15 0.08-0.2 0.06-0.15
Vc (m/min) 70-90 60-70 80-100 60-80 80-100 60-80
6.3
● f (mm/rev) 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
Workpiece Hardness Overhang ap (mm) D68-120 D120-200 D200-500
Material HB L/D R (Radius) 0.8-1.5 1.5-3.5 0.8-2.0 2.0-3.5 0.8-2.0 2.0-4.0

ISO 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
Vc (m/min) 160-220 150-180 180-250 160-200 220-280 200-220
2.5
●●● 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
Carbon HB<200 Vc (m/min) 140-180 120-150 160-200 140-180
4
Steel ●● f (mm/rev) 0.08-0.2 0.08-0.15 0.1-0.2 0.08-0.15 N.R. N.R.
Vc (m/min) 70-100 50-70
6.3 N.R. N.R. N.R. N.R.
● f (mm/rev) 0.06-0.1 0.06-0.1
P
2.5 Vc (m/min) 140-180 120-160 150-170 100-140 100-140 80-120
●●● f (mm/rev) 0.15-0.3 0.12-0.2 0.15-0.25 0.1-0.2 0.15-0.3 0.1-0.2
Carbon HB<200 Vc (m/min) 120-150 100-140 100-130 80-110
4
Steel ●● f (mm/rev) 0.1-0.2 0.1-0.18 0.08-0.2 0.08-0.12 N.R. N.R.
Vc (m/min) 80-100 60-80
6.3 N.R. N.R. N.R. N.R.
● f (mm/rev) 0.08-0.12 0.08-0.12
N.R. = Not Recommended

Stability
– Good
●●●
– Normal
●●
– Poor
●

Ø
Ø Ø

A A
A1 A
IHSR
IHSR IHSR PLT IHSR
IHCR IHSR
L

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

ISCAR
822 ISCAR
822