NTK Cutting Tools

Highly efficient and stable machining even during low cutting speed conditions

Outstanding wear resistance at cutting speeds of Vc=~300m/min 1000 SFM
Features
  • Ideal for roughing of gray and ductile cast iron
  • High degree of wear resistance and stable machining due to thick laminated TiCN + Al2O3 coating
  • Excellent adhesion resistance with the uniquely smooth rake surface treatment
Tooling application

Gray cast iron/Ductile cast iron
Roughing with scale

Grade map
↑High





SPEED
SX6
HC2 SP9
SX9
HC1,HW2 HC6
CP1
FINISH SEMI-FINISH  ROUGH
FEED

High→

Coating composition

① A very smooth layer of fine grain Al2O3
② Fine column shaped grain TiCN layer
③ Ultra – hard cemented carbide base material

- - - Scroll the table - - -
ISO Work material Coolant Grade vc (m/min) (SFM) ap (mm) (inch) f (mm/rev) (IPR)
Cast Iron
Scale Turning
WET CP1 100 – 300 300 – 1000 -5.0 – .197 0.2 – 0.4 .008 – .016
Cast Iron
Rough-Semi-Finish Turning
Ductile
Scale Turning
Ductile
Rough-Semi-Finish Turning
ID boring of housing part
Material :
Gray cast iron
Workpiece condition :
with scale
Cutting speed :
300 m/min 1000 SFM
Feed :
0.5 mm/rev .0197 IPR
DOC :
2.5 mm .0984 inch
Coolant :
WET
CP1
110 pcs / corner
Competitor’s CVD coated carbide
50 pcs / corner
OD machining of water pipe part
Material :
Ductile cast iron
Cutting speed :
150 m/min 500 SFM
Feed :
0.25 mm/rev .0098 IPR
DOC :
1.0 mm .0394 inch
Coolant :
WET
CP1
60 pcs / corner
Competitor’s CVD coated carbide
8 pcs / corner
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