NTK Cutting Tools

GX Chipbreaker

For grooving | Swiss CNC Lathes

Solves the issue of chips wrapping around workpiece or remaining in the groove
Home / Grooving & Parting / GX Chipbreaker

Tightly curls the chip to prevent tangling

Dimple design on insert rake face ensures chip control when grooving and side turning
Features
  • Groove widths from: 0.33mm – 3.0mm .013 – .118 inch
  • Good surface finish in the groove and side face
  • Capable of up to 2.0 mm .078″ DOC when side turning with larger width inserts
Tooling application

Swiss CNC lathes
Grooving / Side turning

Benefits of GX chipbreaker
Chip control comparison (Grooving E-ring)

[ Cutting conditions ]
Material : SUS304 (⌀6⇒⌀3)   vc=80m/min  ap=1.5㎜  Groove width : 0.75㎜ 304SS (⌀.236

Side turning chip control and surface finish

[ Cutting conditions ]
Material : SUS304 (⌀6⇒⌀3)   vc=80m/min  ap=1.5㎜  Groove width : 0.75㎜ 304SS (⌀.236

- - - Scroll the table - - -
Coated grade Material Operation type Cutting speed (m/min) Cutting speed (SFM) Groove width (mm) Groove width (inch) Grooving feed rate(mm/rev) Grooving feed rate(IPR) Side turning feed(mm/rev) Side turning feed(IPR)
ST4 Stainless Grooving 30 – 180 100 – 600 0.75 – 3.0 .030 – .118 0.02 – 0.15 .0002 – .008 0.01 – 0.10 .0001 – .0024
DM4 Difficult-to-cut material / titanium alloy / Alloy steel / carbon steel / hardened material / high temp alloys 10 – 160 75 – 500
TM4 Non-ferrous / aluminum / plastic / general purpose 50 – 180 150 – 600
Pin
Material :
SK4
Cutting speed :
27-34 m/min 90 – 110 SFM
Feed :
0.02 mm/rev .008 IPR
DOC :
0.5 mm .020 inch
Coolant :
WET
DM4+GX chipbreaker
150 pcs / corner
Competitor’s wiper insert (PVD coated carbide)
100 pcs / corner

Current tool machining was unstable and chips tangling.
The GX insert eliminated the chip control problem.
Also, the insert sharpness resulted in better overall surface finish and achieved a longer tool life per corner

Auto parts
Material :
SUS430
Cutting speed :
80 m/min 270 SFM
Feed :
0.03 mm/rev .001IPR
DOC :
1.0 mm .039 inch
Coolant :
WET
DM4+GX chipbreaker
3,500 pcs / corner
Competitor’s wiper insert (PVD coated carbide)
2,500 pcs / corner

The GX insert solved the issue of chips remaining in the groove which eliminated an inspection process.

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