SumiSmall Brochure 2024

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

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

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