NTK Cutting Tools

Outperforms CBN by combining high performance with superior cost efficiency

Delivers wear resistance comparable to CBN
Features
  • NTK CeramiX is an advanced ceramic material achieving the performance to compete with CBN
  • New TiAlN coating offers excellent wear resistance for hard turning
  • In continuous machining materials with a hardness of 55 to 65 HRC, NTK450 matches the performance of CBN with the benefit of cost reductions
Tooling application

Turning – Hardened material Continuous cutting, Workpiece hardenss from HRC55-65

Grade map
↑High





SPEED
HC4,ZC4  
450 HC7,ZC7
HC2,HC5  
   
   
CONTINUOUS LIGHT-INTERRUPT
FEED

High→

Price and Performance comparison
Wear comparison vs. CBN
- - - Scroll the table - - -
ISOMaterialCoolantGradevc (m/min) (SFM) ap (mm) (inch) f (mm/rev) (IPR)
Hard Turning Finishing
Continuous cutting
DRY/WET450 40 – 200 130 – 660 0.1 – 0.7 .004 – .030 0.07 – 0.2 .003 – .008
Industrial robot component
Material :
SCM415 4130 (HRC58-62)
part diameter : ⌀60 ⌀2.36 inches
Cutting speed :
200 m/min 660 SFM
Feed :
0.05 mm/rev .002 IPR
DOC :
0.1 mm .004 Inch
Coolant :
WET
NTK450 TNGA160404 TNGA331
30 pcs / corner
Competitor’s coated CBN
15pcs / corner

NTK450 achieved double the tool life vs. the competitor’s coated CBN insert.
Switching to CeramiX will result in a 70% reduction in tool cost per year.

Gear
Material :
SCM420H 4120H (HRC52-55)
part diameter : ⌀150 ⌀6 inches
Cutting speed :
220 m/min 730 SFM
Feed :
0.15 mm/rev .006 IPR
DOC :
0.1 mm .004 Inch
Coolant :
WET
NTK450
CNGA120404 CNGA431
200 pcs / corner
Competitor’s coated CBN
200 pcs / corner

NTK450 matched the tool life of the competitor’s coated CBN.
The result is a 50% reduction in insert costs for the customer.

Holder part
Material :
SKD11 D2 (HRC58-62)
part diameter : ⌀60 ⌀2.36 inches
Cutting speed :
300 m/min 1,000 SFM
Feed :
0.02 mm/rev .0008 IPR
DOC :
0.1 mm .004 Inch
Coolant :
WET
NTK450 VNGA160404 VNGA331
20 pcs / corner
Competitor’s CBN
20 pcs / corner

NTK450 matched the tool life of the competitor’s coated CBN. The result is a 30% reduction in insert costs with NTK450.

Industrial part
Material :
S55C 1055 (HRC58-60)
part diameter : ⌀250 ⌀10 inches
Cutting speed :
250 m/min 830 SFM
Feed :
0.1 mm/rev .004 IPR
DOC :
0.05-0.1 mm .002 – .004 Inch
Coolant :
WET
NTK450 TNGA160404
16pcs / corner
Competitor’s coated CBN
20 pcs / corner

NTK450 achieved 80% of the tool life compared to competitor’s coated CBN with the same cutting conditions.
Replacing the CBN with NTK450 will result in a 10% tool cost reduction for the customer.

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