NTK Cutting Tools

CL Chipbreaker

For front turning operations | Swiss CNC Lathes

Precision Molded Chipbreaker – Less Tool Pressure, Superior Chip Control
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High-precision machining

Outstanding sharpness with reduced cutting pressure.
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

CL chip breaker optimal functioning range
Chipbreaker geometry​

High rake + sharp cutting edge reduces burr formation and increases machining accuracy

Chip formation comparison​
- - - Scroll the table - - -
Coated grade Material Operation type Cutting speed (m/min) Cutting speed (SFM) Feed (mm/rev) Feed (IPR) DOC (mm) DOC (inch)
ST4 Stainless OD Turning continuous 50 – 120 150 – 500 0.03 – 0.15 .0008 – .004 0.5 – 3.0 .020- .118
QM3 Alloy steel / carbon steel / hardened material
DM4/DT4 Difficult-to-cut material / titanium alloy / high temp alloys 30 – 100 75 – 330
TM4 Non-ferrous / aluminum / plastic / general purpose 50 – 180 150 – 600
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.

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For more information about this product, visit our online e-catalog, or download the catalog/product report

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