Page 477 - ISCAR(HOLE_MAKING_CATALOG_65)

USER GUIDE

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