NTK Cutting Tools

CUT DUO EXTRA

Cut-off operations for diameters up to 42mm 1.653” | Swiss CNC lathe / Conventional CNC lathe

Cut-off tooling for large diameter workpieces
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A highly rigid holder design combined with a molded insert chipbreaker ensures stability

Rigid system supports the process of large-diameter cut-off operations that are subject to high cutting loads Chip control is achieved with the unique chipbreaker design
Features
  • Maximum cut-off diameter is φ42 1.653”
  • 2 sided inserts and width of 3mm .118”
  • GT chipbreaker with unique s-shaped feature ensures straightness and good chip curl
Tooling application

Swiss CNC lathe / Conventional CNC lathe cut-off

Tool rigidity comparison

Rigidity developed to accommodate high load cut-off applications to ensure reliability and productivity.

* The highest clamping strength of any holder currently on the market (according to our research)

 

Cutting performance

① Straight cutting edge improves toughness
② Folds chips from both edges for tight curls
③ High rake angle for increased sharpness

Chip formation comparison

[ Cutting conditions ]
Material : S45C φ42  vc = 100m/min 1045  φ1.653”  330 SFM   WET

[ Tools used ]
Insert : DM4 GWPFM300N02-GT  Holder : CTWPR2020K-3D42

- - - Scroll the table - - -
Coated grade Material Operation type Cut-off width (mm) Cut-off width (inch) Cutting speed (m/min) Cutting speed (SFM) Feed (mm/rev) Feed (IPR) Maximum cut-off diamter
DM4 Difficult-to-cut material / titanium alloy / high temp alloys Cut off 3.0 .118 50 – 130 100 – 300 0.03 – 0.2 .0012 – .005 φ42 φ1.653”
Coolant control parts
Material :
S45C 1045 tempered steel
Cutting speed :
110 m/min 370 SFM
Feed :
0.07 mm/rev .0028 IPR
Coolant :
WET
CUT DUO EXTRA
700 pcs / corner
Competitor’s product
350 pcs / corner

CUT DUO EXTRA with its 2 cutting edges significantly reduced cost compared to the competitor’s 1 cutting edge insert.
Cut Max achieved excellent chip control and 2 times the tool life.

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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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