CBN Small Hole Boring Bars SEXC
SUMIBORON - CBN Screw-on
Carbide
Oil Hole
SEXC Internal Turning and Facing
Fig 1
DMIN Min. Bore Dia. 10°
CDX
LF
GAMF
E
Holder
Parts
Dimensions ( mm )
Neck Diameter
Overall Length
Cutting Edge Distance
Max. Boring Depth
Rake Angle Applicable Sleeve
Stock Min.
Bolt
Wrench
Diameter
Bore Dia.
Cat. No.
Fig
R L
N m
DMIN DCON DN LF WF CDX GAMF
C
E06D2-SEXC R/L03-04P E06D3-SEXC R/L03-04P E06D2-SEXC R/L03-05P E06D3-SEXC R/L03-05P E06D2-SEXC R/L03-06P E06D3-SEXC R/L03-06P
4.0 4.0 5.0 5.0 6.0 6.0
6.0 3.75 33.75 1.95 8 6.0 3.75 37.75 1.95 12 6.0 4.75 35.25 2.45 10 6.0 4.75 40.25 2.45 15 6.0 5.75 36.75 2.95 12 6.0 5.75 42.75 2.95 18
-13° -13° -12° -12° -11° -11°
1 1 1 1 1 1
0.2
MIB1.6-2
0.2
HBSM60____
MIB1.6-2.5
SDBSM
0.2
MIB1.6-3
D
SEXC needs the HBSM6020 (A) adapter sleeve (sold separately).
Fig 1
Fig 2
Insert (
CARBIDE
CBN - SUMIBORON)
DC DCB
DC DCB
Dimensions ( mm )
M8
Rc1/8
Nose Radius Fig
R
Cat. No.
19
RE
LF
LF
Sleeve
● ● ● ● ● ● ● ●
Dimensions (Inch / mm )
ECEM03X1005L-FYF ECEM03X1005R-FYF ECEM03X101L-FYF ECEM03X101R-FYF ECEM03X1015L-FYF ECEM03X1015R-FYF ECEM03X102L-FYF ECEM03X102R-FYF 2NU-ECXA030X02LE 2NU-ECXA030X02LF
.05 1 .05 1
Set Screw
Fig 1
OD Dia.
Bore Dia.
Overall Length
Wrench
RE
S
.1 .1
1 1
ø3.31
7°
Cat. No.
Fig
DC DCB LF
.15 1 .15 1
1.15
75°
● .750 6.0 80 ● 1.000 6.0 80
HBSM601905 HBSM602054 HBSM6020 HBSM6020A
1 1 1 2
.2 .2 .2 .2
1 1 1 1
T
BT0506 TH025
20 6.0 80 20 6.0 80
Adapter sleeve is optional.
Part Number Suffix: LE: Honing, LF: Sharp Edge
Alignment Jig Cat. No.
Application Range
V
SEXC Indexable
Stock
BSME Brazed
AFBSM60
W
This jig is used for centering sleeves when setting them into holders.
Good
0.08
0.12
0.16
0.20
0.24
Max. Part Diameter (Inch) H Hardened Steel Insert Grades AC1030U T1500A AC1030U T1500A AC1030U T1500A AC1030U T1500A AC1030U BN2000 BN7000 Spindle Speed n (min -1 ) 2,000-10,000 2,000-10,000 2,000-8,000 2,000-8,000 2,000-10,000 2,000-10,000 5,000-15,000 5,000-15,000 2,000-6,000 Above 2,000 Above 2,000 Depth of Cut ap (Inch) up to .0079 up to .0079 up to .0079 up to .0079 up to .0079 up to .0079 up to .0079 up to .0079 up to .0079 .0004 - 0.0059.0004 - 0.0059 Feed Rate f (IPR) up to .0020 up to .0020 up to .0020 up to .0020 up to .0020 up to .0020 up to .0020 up to .0020 up to .0020 .0004 - .0039.0004 - .0039 May cause chattering or chipping at the cutting edge during low-speed machining. Excessive depth of cut causes deformation of the tool, which consequently leads to deterioration of dimensional tolerance. Recommended Cutting Conditions Work Material P General Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy
Application Examples
BSME
SEXC SEXC provides drastically reduced tool costs and a tool life that is 1.5 times longer than our competitors' brazed CBN tools. Bearing Steel: Small Automotive Component
BSME provides stable machining and a tool life that is over 2 times longer than our competitors' CBN tools. Hardened Alloy Steel Valve Component
Indexable Insert SEXC
Brazed BSME
1,500 holes
1,700 holes
Competitor's Brazed CBN Tool
Competitor's CBN Tool
1,000 holes
600 holes
0
500
1,000 1,500
0 500
1,000 1,500 2,000
No. of Workpieces (pcs)
No. of Workpieces (pcs)
Part Material: Hardened Alloy Steel Valve Component (Automotive Component) Tool: BSME R50020D2S6 Grade: BN2000 Cutting Conditions: v c = 387 SFM (7,500 RPM), f = .0008 IPR, a p = .004” Dry
Part Material: Bearing Steel Small Automotive Component (60HRC) Holder: E06D2-SEXC R/L03-04P Insert: 2NU-ECXA 030X02LF (BN2000) Cutting Conditions: v c = 164 SFM (4,000 RPM), f = .0008 IPR, a p = .0008” Wet
• USA Stocked Item Worldwide Warehouse Item
N m Recommended Tightening Torque (N·m)
E71
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