BNC8115 BNS8125 Brochure

Coated CBN - SUMIBORON/ CBN - SUMIBORON BNC8115/BNS8125

■ Stock Availibilty

(

Coated CBN /

Uncoated CBN)

Negative Inserts

Solid Insert / Negative (With Hole)

Solid Insert/Negative (Without Hole)

Stock Dimensions (inch)

Stock Dimensions (inch)

Sumitomo Catalog Number

Sumitomo Catalog Number

Shape

ISO Cat. No.

Shape

ISO Cat. No.

Inscribed circle Thickness Hole Nose Radius

Inscribed circle Thickness Hole Nose Radius

CNGA432 CNGA120408 l l CNGA433 CNGA120412 l l SNGA432 SNGA120408   SNGA433 SNGA120412   TNGA332 TNGA160408   TNGA333 TNGA160412  

CNG322 CNG323 CNG432 CNG433 CNG434 DNG322 DNG323 RNG32 RNG42 RNG43

CNGN090308 l l CNGN090312 l l CNGN120408 l l CNGN120412   CNGN120416   DNGN110308   DNGN110312  

.0313 .0469 .0313 .0469 .0313 .0469

.0313 .0469 .0313 .0469 .0625 .0313 .0469 .1875 .2500 .2500

.5000 .1875 .2031

.3750 .1250 —

.5000 .1875 .2031

.5000 .1875 —

.3750 .1875 .1500

.3750 .1250 —

Solid Insert/Negative (Dimple Lock)

RNGN090300 l l .3750

.1250

RNGN120300 l l RNGN120400 l l

Stock Dimensions (inch)

.5000

Sumitomo Catalog Number

.1875

Shape

ISO Cat. No.

SNEN090308W*

l l .3750 .1250 — .0313

Inscribed circle Thickness Hole Nose Radius

* for RM Milling Cutter

CNGX433 CNGX120412 l l CNGX434 CNGX120416 l l SNGX433 SNGX120412   SNGX434 SNGX120416  

.0469 .0625 .0469 .0625

Wiper Insert

.5000 .1875 —

SNG322 SNG323 SNG422 SNG423 SNG432 SNG433 SNG434 SNG435 TNG222 TNG223 TNG332 TNG333 TNG334 TNG335

SNGN090308 l l SNGN090312 l l SNGN120308   SNGN120312 l l SNGN120408 l l SNGN120412   SNGN120416   SNGN120420   TNGN110308 l l TNGN110312   TNGN160408   TNGN160412 l l TNGN160416   TNGN160420  

.0313 .0469 .0313 .0469 .0313 .0469 .0625 .0787 .0313 .0469 .0313 .0469 .0625 .0787

.3750 .1250 —

.5000 .1875 —

.5000 .1250 —

For applicable holders, please see Sumitomo General Catalog

l = USA Stocked item

 = World Wide Warehouse Item

█ Cutting Edge Specification ■ Cutting Edge Specification i i i

.5000 .1875 —

BNC8115

Standard/Wiper Insert W type ta ar / i er I sert ty e

mm)

)

.2500 .1250 —

e a.

Nose Radius Nose Radius

le a.

20˚

˚

S02020

1.2 1.6 1.2 1.6 1.2 1.6 1.2 1.6

.3750 .1875 —

- -

.0079”

.

With Honing ith oning

- -

(Dimple Lock). (Dimple Lock).

BNS8125

Standard/Wiper Insert W type ta ar / i er Insert W type

mm)

)

20˚ 2 ˚

e a.

Nose Radius ose Radius

le a.

T02020

.0079”

.

No Honing ” No oning

0.8 1.2 0.8 1.2 1.6 0.8 1.2 0.8 1.2 0.8 1.2 1.6 0.8 1.2 - - - - - 0.8 - 0.8 0.8 1.2 0.8 1.2 0.8 1.2 1.6 2.0 0.8 1.2 0.8 1.2 1.6 2.0 0.8 1.2 0.8 1.2 0.8 1.2 1.6 2.0 0.8 1.2 0.8 1.2 1.6 2.0

- -

■ Recommended Cutting Conditions BNC8115 & BNS8125 (Turning) █ Recommen ed Cutting Conditions BNC8115 & BNS8125 (Tur ing) Cast Iron Part Material Cutting Conditions Feed Rate f (IPR) Feed ate f (IPR) Depth of Cut a p (inch) epth of ut a p (inch) Grade Grade ( r i ) Cast Iron Part aterial utting onditions █ Rec tti iti

-

- -

Min. - Optimum - Max. Min. - Optimum - Max.

- - - - - -

Cutting Speed v c (SFM) Cutting Speed v c (SFM)

-

Gray Cast Iron ray ast Iron

BNC8115 / BNS8125 BNC8115 BNS8125 8115 / 8125 8115 8125

.004 .004 .004 .004 .004 .004

- - - - - -

.020 .012 .012 .020 .012 .012

- - - - - -

.040 .020 .020 .040 .020 .020

- - - - - -

- - - - - -

650 260 260 650 260 260

3,300 400 400 3,300 400 400

6,600 650 650 6,600 650 650

≤ .16 ≤ .12 ≤ .12 ≤ .16 ≤ .12 ≤ .12

- -

Ductile Cast Iron Ductile ast Iron

- -

Cutting Conditions Feed Rate f (IPR) Feed ate f (IPR) utting onditions

Hardened Steel Part Material t l art aterial r

- -

Min. - Optimum - Max. Min. - Optimum - Max.

Grade rade

Cutting Speed v c (SFM) Cutting Speed v c (SFM)

Depth of Cut a p (inch) epth of ut a p (inch)

- -

Hardened Steel ardened teel

BNC8115 8115

.004 - .004 -

.010 .010

- -

.016 .016

170 170

- -

330 330

- -

500 500

≤ .12 ≤ .12

-

Coolant: Dry/Wet Coolant: Dry/Wet

■ Recommended Cutting Conditions BNC8115 & BNS8125 (Milling) █ Recommended Cutting Conditions BNC8115 & BNS8125 (Milling) Cutting Conditions tti iti ( illi ) utting onditions

M type. type.

: Wiper Insert W: iper Insert

Cast Iron Part Material t Ir art aterial

Min. - Optimum - Max. Min. - Optimum - Max.

Grade Grade

Feed Rate f (IPR) Feed ate f (IPR)

Cutting Speed v c (SFM) Cutting Speed v c (SFM)

Depth of Cut a p (inch) epth of ut a p (inch)

Gray Cast Iron ray ast Iron

BNC8115 / BNS8125 8115 / 8125

.004 - .004 -

- .040 .020 .040 .020 -

2,600 2,600

- -

6,600 4,600 - 6,600 4,600 -

≤ .16 ≤ .16

5

Coolant: Dry Coolant: Dry

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