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NTK Cutting Tools

CL Chipbreaker

For front turning operations ｜ Swiss CNC Lathes

Precision Molded Chipbreaker – Less Tool Pressure, Superior Chip Control
Home / Front & Back Turning / CL Chipbreaker

High-precision machining

Outstanding sharpness with reduced cutting pressure.
CL chip breaker optimal functioning range
Features
  • Depth of cut range from 0.5 – 3.0 mm .020 – .118 inch
  • Sharp edge generates less tool pressure to reduce chatter and burrs
  • Excellent chip control
Tooling application
Swiss CNC Lathe front turning operations
Function range
Chipbreaker geometry​
High rake + sharp cutting edge reduces burr formation and increases machining accuracy
Chip formation comparison​
Lineup

CCGT-CL type insert

DCGT-CL type insert

VCGT-CL type insert

- - - Scroll the table - - -
ISO Work material Grade vc (m/min) (SFM) ap (mm) (inch) f (mm/rev) (IPR)
Carbon steel
Alloy steel		 QM3 50 – 120 150 – 500 0.5 – 3.0 .020- .118 0.03 – 0.15 .0008 – .004
Stainless ST4 50 – 120 150 – 500 0.5 – 3.0 .020- .118 0.03 – 0.15 .0008 – .004
Difficult-to-cut material DM4
DT4		 30 – 100 75 – 330
Titanium alloy
High temp alloys		 DM4
DT4		 30 – 100 75 – 330 0.5 – 3.0 .020- .118 0.03 – 0.15 .0008 – .004
Hardened material QM3 50 – 120 150 – 500 0.5 – 3.0 .020- .118 0.03 – 0.15 .0008 – .004
Non-ferrous
Aluminum
Plastic
General purpose		 TM4 50 – 180 150 – 600 0.5 – 3.0 .020- .118 0.03 – 0.15 .0008 – .004
Connector
Material :
S20CL
Cutting speed :
220 ～ 240 m/min 730 ～ 800 SFM
Feed :
0.05 mm/rev .002 IPR
DOC :
0.15 ～ 0.5 mm .006 ～ .020 inch
Coolant :
WET
TM4 CL chipbreaker
420 pcs / corner
Competitor’s wiper insert (PVD coated carbide)
300 pcs / corner
CL chipbreaker achieved higher degree of dimensional stability and good surface finish compared to the competitor’s polished insert.
CL chipbreaker demonstrated outstanding chip control even at the smaller DOC, eliminating machining issues.
Pin
Material :
SUS304 304SS
Cutting speed :
100 m/min 330 SFM
Feed :
0.05 mm/rev .002 IPR
DOC :
3.5 mm .039 inch
Coolant :
WET
TM4 CL chipbreaker
200 pcs / corner
Competitor’s wiper insert (PVD coated carbide)
100 pcs / corner
CL chipbreaker achieved part dimensional consistency and extended tool life.
Stable chip control eliminated chip tangling seen using competitor’s insert.
View more reports
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