SUMIBORON Grooving Tools

BNGG

  • Characteristics
  • Lifespan increased through improved rigidity Insert breakage and holder chatter resolved through improved clamp strength
  • Tooling expansion for thin groove/threading Changing the support allows 2mm thin grooving and threading.

SEC-Grooving Tools and SUMIBORON insert (L111) can be used for hardend steel grooving.

Shallow Grooving of Hardened Steel

External

BNGG Inserts

Dimensions (mm) not included with holder Fig1Grooving Cutting Groove

External grooving Stock edge Length Applicable inserts

CDXCat. No.depthFig
distanceCat. No.
RL WF CDXLF
BNGG R/L2525-200D30.54150BNGNT0200 R/L
LFD
BNGG R/L2525-25030.54150BNGNT0250 R/L
BNGG R/L2525-300D30.55150BNGNT0300 R/L
BNGG-TT1
BNGG R/L2525-400D30.56151BNGNT0400 R/L

F Threading D

Fig2BNGG R/L2525-50030.56151BNGNT0500 R/L
External threadingCDX
BNGG R/L2525-600D30.57152BNGNT0600 R/L
BNGG R/L2525-TTDBNTT1020 R/L
28.551502

BNTT1530 R/L LF

Grooving

Cut-Off Note: This machine is universal. Changing the support allows grooving of various widths and threading.

  • Inserts

Threading Dimensions (mm) Fig 1 For grooving Cutting Stock Width Groove Nose

Length edge Applicable holders

Back taper 30CDXCat. No.BN250 BNX20 BN350 BNX25 of cutdepth radiusFig
distanceCat. No.
RLRLRLRLCWCDXREL WF3
BNGNT0200 R/LDD2.04.0 0.2 25 6.0BNGG R/L 2525-200
17 BNGNT0250 R/LDD2.54.0 0.2 25 6.0BNGG R/L 2525-250
2-RE
LDD
BNGNT0300 R/L3.05.0 0.4 25 6.0BNGG R/L 2525-300
Back taper 301
BNGNT0400 R/LDD4.06.0 0.4 26 6.0BNGG R/L 2525-400
BNGNT0500 R/LDD5.06.0 0.4 26 6.0BNGG R/L 2525-500
BNGNT0600 R/LDD6.07.0 0.4 27 6.0BNGG R/L 2525-600
Fig 2 For threading
BNTT1020 R/LDPitch 1.0 to 2.00.14 25 4.0
RED2 BNGG R/L 2525-TT

BNTT1530 R/L Pitch 1.5 to 3.0 0.2 25 4.0 17 L

  • Parts
  • Recommended Cutting Conditions

Support Clamp Adjust screw Spring Cap screw Wrench

Applicable holder ●Grooving Cutting conditions H Hardened steel Cutting speed v (m/min) 80 to 120

BNGG R/L2525-200BNGS R/L 200c
0.03 to 0.07 Feed rate f (mm/rev)
BNGG R/L2525-250BNGS R/L 250
BX0615LH050
BNGG R/L2525-300BNGS R/L 300(For clamp)(For clamp)
× ●Threading
BNGG R/L2525-400BNGS R/L 400 BNGC R/LFMJGSP061.845
Cutting conditionsH Hardened steel
BNGG R/L2525-500BNGS R/L 500BX0414LH030
(For support) (For support)Cutting speed vc (m/min)80 to 120
BNGG R/L2525-600BNGS R/L 600

BNGG R/L2525-TT Feed rate f (mm/rev) Max. pitch 3.0

BNGS R/L TT