NTK Ceramic – Ship Bearings – HC7

NTK Ceramic - Ship Bearings - HC7

- Ideal for finishing of hardened materials due to the insert's high temperature hardness and low plastic deformation at high temperatures.
- Reduces tool cost significantly by replacing CBN.

- In this case, HC7 achieved double tool life and 1.3 times productivity compared to the competitor.

HC7 Ceramic Insert
Industry Shipbuilding industry
Component Bearing
Material ISO code H - Hardened materialH - Hardened material
Work material SUJ2
Machine(spindle type) CNC Lathe
Tool family Turning
Tool category External turning
Product name HC7 Ceramic Insert
TSR No. 5247T
Bearing

Tool

Tungaloy - NTK Competitor
Insert CDH1909P15010C RNGN120700
Grade HC7 CBN

Tool life

Tungaloy - NTK Competitor
Tool life (pcs/edge) 2 1

Cutting conditions

Tungaloy - NTK Competitor
Cutting speed V/c (m/min) 150 150
Feed f (mm/rev) 0.4 0.3
Coolant WET WET

Result

Tool life2 times

Productivity1.3 times