CBN - SUMIBORON Small Hole Boring Bars SEXC
SEXC Internal Turning and Facing
Carbide, Cermet and CBN – Sumiboron Screw-on
Fig 1
Carbide
DMIN Min. Bore Dia. 10°
Oil Hole
Alignment Jig Cat. No.
Stock
CDX
LF
AFBSM60
GAMF
This jig is used for centering sleeves when setting them into holders. *jig is sold separately
• USA Stocked Item Worldwide Warehouse Item
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
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
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
Cat. No.
19
RE
LF
LF
Sleeve
● ● ● ● ● ● ● ●
.05 1 .05 1 .10 1 .10 1 .15 1 .15 1 .20 1 .20 1 .20 1
ECEM03X1005L-FYF ECEM03X1005R-FYF ECEM03X101L-FYF ECEM03X101R-FYF ECEM03X1015L-FYF ECEM03X1015R-FYF ECEM03X102L-FYF ECEM03X102R-FYF 2NU-ECXA030X02LE 2NU-ECXA030X02LF
Dimensions (Inch / mm )
Set Screw
Fig 1
OD Dia.
Bore Dia.
Overall Length
RE
Wrench
ø3.31
7°
Cat. No.
Fig
DC DCB LF
1.15
75°
● .750 .236 3.150 1 ● 1.000 .236 3.150 1
HBSM601905 HBSM602054 HBSM6020 HBSM6020A
BT0506 TH025
20 6.0 80 20 6.0 80
1 2
● .20 1
Adapter sleeve is optional.
Part Number Suffix: LE: Honing, LF: Sharp Edge
Recommended Cutting Conditions Spindle Speed n Above 2,000 RPM
Application Range
May cause chattering or chipping at the cutting edge in low-speed machining. Excessive depth of cut causes deformation of the tool, which consequently leads to deterioration of dimensional tolerance.
SEXC Indexable
BSME Brazed
Depth of Cut a p
.0004" to .006"
Good
0.08
0.12
0.16
0.20
0.24
Feed Rate f .0004 to .004 IPR
−
Max. Part Diameter (Inch)
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
Sumitomo Electric Carbide, Inc. Headquarters
Sumitomo Carbide Canada, Inc. 150 Research Lane Unit #210 Guelph, Ontario N1G 4T2 Phone: (519) 265-6050 Phone: (844) 211-6050
Michigan Branch 26800 Meadowbrook Suite 120 Novi, MI 48377 Indiana Branch 595 S. Emerson Avenue Suite 100 Greenwood, IN 46143
Sumitomo Electric Tool Engineering Center 1001 Business Center Drive Mount Prospect, IL 60056 5637 S. Westridge Drive New Berlin, WI 53151
Phone: (847) 635-0044 Fax: (847) 635-9335 www.sumicarbide.com
S umi S mall W eb P age
CAT.SUMISMALLBROCHURE.8/24
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