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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