Page 93 - HOLE MAKING CATALOG p383-544

USER GUIDE
ISO ISO
BHR Rough Boring Cutting Data
ITS BORE
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)
Gray Cast Vc (m/min) 0.2-0.4 0.4 0.2-0.4 0.4 0.2-0.4 0.4-0.8
Iron GG HB<200 2.5
10-25 f (mm/rev) 120-160 100-140 120-180 110-150 120-180 110-150
Spheroidal ••• Vc (m/min)
Gray Cast & Graphite f (mm/rev) 0.06-0.15 0.06-0.18 0.06-0.15 0.06-0.12 0.08-0.2 0.08-0.12
K Iron GG 4 Vc (m/min)
f (mm/rev) 100-140 80-120 100-150 80-120 100-150 80-120
25-40 •• Vc (m/min)
f (mm/rev) 0.06-0.12 0.06-0.1 0.06-0.12 0.06-0.1 0.08-0.12 0.08-0.1
Cast Iron 6.3 Vc (m/min)
GGG f (mm/rev) 70-100 60-90 70-100 60-90 70-100 60-90
• Vc (m/min)
f (mm/rev) 0.06-0.1 0.06-0.1 0.06-0.1 0.06-0.1 0.08-0.1 0.08-0.1
2.5 Vc (m/min)
f (mm/rev) 140-200 140-200 140-220 160-250 180-220 200-280
••• Vc (m/min)
f (mm/rev) 0.06-0.15 0.06-0.18 0.06-0.15 0.06-0.18 0.08-0.2 0.1-0.25
4 Vc (m/min)
f (mm/rev) 120-160 120-160 120-180 140-200 140-180 180-220
••
ap (mm) 0.06-0.12 0.06-0.14 0.06-0.12 0.06-0.14 0.08-0.12 0.08-0.2
6.3 RE (Radius)
Vc (m/min) 70-100 60-90 70-100 60-90 60-100 60-120
•
f (mm/rev) 0.06-0.1 0.06-0.1 0.06-0.1 0.06-0.1 0.08-0.1 0.08-0.1
2.5 Vc (m/min)
f (mm/rev) 120-180 120-180 120-200 140-220 180-220 180-240
••• Vc (m/min)
f (mm/rev) 0.06-0.15 0.06-0.18 0.06-0.15 0.06-0.18 0.08-0.18 0.1-0.2
4 Vc (m/min)
f (mm/rev) 120-160 120-160 120-180 140-200 140-200 160-220
•• Vc (m/min)
f (mm/rev) 0.06-0.12 0.06-0.14 0.06-0.12 0.06-0.14 0.08-0.12 0.08-0.18
6.3 Vc (m/min)
f (mm/rev) 60-100 60-90 60-100 60-90 60-90 60-100
• Vc (m/min)
f (mm/rev) 0.06-0.1 0.06-0.1 0.06-0.1 0.06-0.1 0.08-0.1 0.08-0.1
Vc (m/min)
f (mm/rev) Boring Range Boring Range Boring Range
Vc (m/min) 68-120 120-200 50-68
f (mm/rev)
Workpiece Hardness Overhang 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
Material HB 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
120-200 110-150 150-250 180-280 150-250 180-280
•••
Gray Cast 0.08-0.25 0.08-0.3 0.08-0.25 0.08-0.35 0.08-0.25 0.08-0.35
Iron GG 4
10-25 HB<200 100-150 80-120 120-170 120-170 N.R N.R
••
0.08-0.18 0.08-0.2 0.08-0.18 0.08-0.25
6.3
70-100 60-90 N.R N.R N.R N.R
•
0.08-0.15 0.08-0.12 250-350 250-350
2.5 0.15-0.3 0.15-0.4
250-300 250-350 250-350 250-350
••• 0.15-0.3 0.15-0.4 N.R N.R
Gray Cast 0.12-0.35 0.12-0.35 200-300 200-270
K Iron GG 4 0.15-0.3 0.15-0.35
200-270 230-300
25-40 ••
0.1-0.25 0.12-0.3
6.3
70-150 60-120 N.R N.R N.R N.R
•
0.1-0.15 0.12-0.25 220-300 220-300
2.5 0.15-0.3 0.15-0.35
200-240 200-280 200-280 220-300
••• 0.15-0.3 0.15-0.35 N.R N.R
0.12-0.3 0.12-0.3 180-250 200-270
4 0.12-0.2 0.15-0.35
Cast Iron Spheroidal 160-220 180-240
GGG & Graphite ••
0.1-0.2 0.12-0.25
N.R. = Not Recommended 6.3
Stability 60-100 60-100 N.R N.R N.R N.R
•
••• Good 0.1-0.15 0.12-0.2
•• Normal
• Poor

LDRED

BDRED

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

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