CBN - SUMIBORON Roll Turning Tool Round Holders BNRN
● Insert can be reground and used again ● The same holder can be used for a reground insert by adjusting the slide locator with a clamp.
● Reliable holder design ● The tip of the clamp is a cemented carbide chipbreaker that can withstand wear from chips. ● Slide locator uses HSS for durability.
L
External Roll Turning BNRN
Fig 1
LH
60°
LH
60°
LF
Body
Dimensions ( mm )
Height H
Width B
Overall Length LF
Cutting Edge WF
Head LH
Applicable Insert New Cat. No.
Applicable Insert (Regrindable range)
Cat. No.
Stock
Fig
BNRN 3232-08-07 BNRN 4038-10-09 BNRN 4038-12-11 BNRN 5050-14-12 BNRN 5050-16-14 BNRN 5050-18-16 BNRN 5050-20-18 BNRN 5050-22-20 BNRN 5050-24-22 BNRN 5050-26-24
32 40 40 50 50 50 50 50 50 50
32 38 38 50 50 50 50 50 50 50
200 250 250 350 350 350 350 350 350 350
16 19 19 25 25 25 25 25 25 25
13 17 20 25 25 30 30 35 35 35
RBG08-B RBG10-B RBG12-B
8.0 to 7.0 1 10.0 to 9.0 1 12.0 to 11.0 1 14.0 to 12.0 1 16.0 to 14.0 1 18.0 to 16.0 1 20.0 to 18.0 1 22.0 to 20.0 1 24.0 to 22.0 1 26.0 to 24.0 1
*
RBG16-B
*
RBG20-B
* *
RBG26-B
*Blank space indicates holders for reground inserts. Inserts are sold separately.
Insert (
SUMIBORON)
Dimensions (mm)
Fig 1
Thickness 2
Inscribed Circle
Thickness
Diameter
Cat. No.
Fig
S3
S
IC
D7
IC
5°
RBG 08-B RBG 10-B RBG 12-B RBG 16-B RBG 20-B RBG 26-B
8.0
4.0 5.0 6.0 8.0
4.0 5.0 6.0 8.0
6.5 9.0
1 1 1 1 1 1
10.0 12.0 16.0 20.0 26.0
11.0 13.0 15.0 15.0
10.0 14.0
10.0 10.0
D7
Parts
Structure
Slide Locator Clamp Cassette Clamp Plate Cap Screw Set Screw Double Screw Wrench
Slide Locator
Applicable Holders
Clamp Plate
BNRE-08 BNRE-10 BNRE-12 BNRE-14 BNRE-16 BNRE-18 BNRE-20 BNRE-22 BNRE-24 BNRE-26
BNRN 3232-08-07BNRS R-08 BNRN 4038-10-09BNRS R-10 BNRN 4038-12-11BNRS R-12 BNRN 5050-14-12BNRS R-14 BNRN 5050-16-14BNRS R-16 BNRN 5050-18-16BNRS R-18 BNRN 5050-20-18BNRS R-20 BNRN 5050-22-20BNRS R-22 BNRN 5050-24-22BNRS R-24 BNRN 5050-26-24BNRS R-26
LH025 LH030
Clamp
BNRC-08
BNRW-08 BX0425 BTD0609 WB5-18
BX0635
WB6-20 LH030 LH040 LH050 WB6-30
BNRC-12
BNRW-12
BTD0812
BX0640
WB8-30 WB6-30 WB8-30 WB6-30
Cassette
Body
BNRC-16
BNRW-16
LH040 LH050
BX0640 BTD0812
BNRC-20
BNRW-20
WB6-30 LH040 LH060 WB8-30
BNRC-26
BNRW-26 BX0840 BTD0818
L121
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