NEWS 2005 - Jan Havelka

SOLID CARBIDE DRILLING
SE DRILLS – B254HPC/B255HPC & B256HPC
NEW
Diameter Expansion!
A
Shank
135° D1
D
Tolerances
MODULAR DRILLING
L5
L4
L3
L
LS
D1 Tolerance m7 D Tolerance h6
>3 to 6 0,004 /0,016 6 .0000/-.0008
>6 to 10 0,006/0,021 8 to 10 .0000/-.0009
>10 to 18 0,007 /0,025 12 to 18 .0000/-.0011
>18 to 20 0,008 /0,029 20 .0000/-.0013
D1
L4
mm inch Catalog number D L L3 max. LS L5
3,50 .1378 B254A03500HPC 6 62 24 18 36 0,65
KC7315
INDEXABLE DRILLING
HOLEMAKING
3,00 .1181 B255A03000HPC 6 66 28 23 36 0,55
3,30 .1299 B255A03300HPC 6 66 28 23 36 0,61
3,40 .1340 B255A03400HPC 6 66 28 23 36 0,63
3,50 .1378 B255A03500HPC 6 66 28 23 36 0,65
3,70 .1457 B255A03700HPC 6 66 28 23 36 0,68
3,80 .1496 B255A03800HPC 6 66 28 23 36 0,7
8,20 .3228 B255A08200HPC 10 103 61 49 40 1,51
20,50 .8071 B255A20500HPC 20 167 115 85 50 3,78
3,00 .1181 B256A03000HPC 6 78 40 33 36 0,55
3,50 .1378 B256A03500HPC 6 78 40 33 36 0,65
5,90 .2322 B256A05900HPC 6 94 56 48 36 1,09
8,20 .3228 B256A08200HPC 10 122 80 68 40 1,51
HSK MODBORE
Cutting Data Recommendations
ROMICRON
Cutting Groups
15
16
17
18
19
20
Material
Group
Gray Cast Iron
Cast Iron with
Nodular Cast
Iron
Malleable
Cast Iron
Composition /Structure
Pearlitic/Ferritic
Pearlitic (Martensitic)
Ferritic
Pearlitic
Ferritic
Pearlitic
Austempered Ductile Iron
Compacted Graphite Iron
Tensile Strength
RM (Mpa)
Hardness HB
180
260
160
250
130
230
300
300
Cutting
Speed vc:
(m/min)
(sfm)
180 - 230
590 - 750
160 - 200
520 - 660
160 - 200
520 - 660
100 - 140
330 - 460
160 - 200
520 - 660
140 - 170
460 - 560
80 - 100
250 - 325
140 - 170
450 - 550
D =
3 mm
.1181"
D =
4 mm
.1575"
Feed Rate Per Revolution by Drill Diameter:
(mm/rev)
(ipr)
D =
6 mm
.2362"
D =
8 mm
.3150"
D =
10 mm
.3937"
D =
12 mm
.4724"
D =
16 mm
.6299
D =
20 mm
.7843
0,10 - 0,18 0,13 - 0,22 0,16 - 0,27 0,19 - 0,32 0,22 - 0,36 0,26 - 0,43 0,33 - 0,55 0,40 - 0,70
.004 - .007 .005 - .009 .006 - .011 .007 - .013 .009 - .014 .010 - .017 .013 - .022 .016 - .028
0,09 - 0,14 0,11 - 0,18 0,13 - 0,21 0,15 - 0,26 0,18 - 0,33 0,21 - 0,36 0,29 - 0,48 0,38 - 0,68
.003 - .006 .004 - .007 .005 - .008 .006 - .010 .007 - .013 .008 - .014 .011 - .019 .015 - .027
0,09 - 0,15 0,11 - 0,19 0,13 - 0,22 0,15 - 0,26 0,18 - 0,30 0,21 - 0,35 0,27 - 0,45 0,38 - 0,64
.003 - .006 .004 - .007 .005 - .009 .006 - .010 .007 - .012 .008 - .014 .011 - .018 .015 - .025
0,06 - 0,11 0,08 - 0,14 0,09 - 0,16 0,11 - 0,19 0,13 - 0,22 0,15 - 0,26 0,21 - 0,36 0,33 - 0,55
.003 - .004 .003 - .006 .004 - .006 .004 - .007 .005 - .009 .006 - .010 .008 - .014 .013 - .022
0,10 - 0,18 0,13 - 0,22 0,16 - 0,27 0,19 - 0,32 0,22 - 0,36 0,26 - 0,43 0,33 - 0,55 0,40 - 0,70
.004 - .007 .005 - .009 .006 - .011 .007 - .013 .009 - .014 .010 - .017 .013 - .022 .016 - .028
0,06 - 0,11 0,08 - 0,14 0,09 - 0,16 0,11 - 0,19 0,13 - 0,22 0,15 - 0,26 0,21 - 0,36 0,33 - 0,55
.003 - .004 .003 - 0.01 .004 - .006 .004 - .007 .005 - .009 .006 - .010 .008 - .014 .013 - .022
0,09 - 0,15 0,11 - 0,19 0,13 - 0,22 0,15 - 0,26 0,18 - 0,30 0,21 - 0,35 0,27 - 0,45 0,38 - 0,64
.003 - .006 .004 - .007 .005 - .009 .006 - .010 .007 - .012 .008 - .014 .011 - .018 .015 - .025
0,09 - 0,15 0,11 - 0,19 0,13 - 0,22 0,15 - 0,26 0,18 - 0,30 0,21 - 0,35 0,27 - 0,45 0,38 - 0,64
.003 - .006 .004 - .007 .005 - .009 .006 - .010 .007 - .012 .008 - .014 .011 - .018 .015 - .025
Order example:
(Ø 3,5 mm, straight shank without clamping
surface, TiAIN coated carbide)
Type Ø Cutting material
B254 A 03500HPC KC7315
Shank design
A10
To place an order, contact your Kennametal representative or visit www.kennametal.com.