NTK Ceramic – Crank Shaft – ZC7
NTK Ceramic - Crank Shaft - ZC7
NTK's black ceramic ZC7 grade has enhanced
wear resistance and achieves tool life equivalent to CBN,
while the double-sided insert reduces tool change frequency by half.
Additionally, ZC7 has excellent cost-effectiveness, achieving an 80% cost reduction.
Tungaloy - NTK Insert：CNGA120408S02025 (4Corner)
Competitor Insert：CNGA120408 (1Corner)
Share
| Industry | Automotive |
|---|---|
| Component | Crank Shaft |
| Material ISO code |
 H - Hardened material |
| Work material | SCr435H/37Cr4/5135H |
| Material hardness | HRc57-60 |
| Machine(spindle type) | CNC Lathe |
| Tool family | Turning |
| Tool category | Face turning |
| Product name | ZC7 Ceramic Insert |
| TSR No. | 5090T |
Tool
| Tungaloy - NTK | Competitor | |
|---|---|---|
| Holder | WCLNL2525M12 | |
| Insert | CNGA120408S02025 | CNGA120408 |
| Edges par insert | 4 | 1 |
| Grade | ZC7 | CBN |
Cutting conditions
| Tungaloy - NTK | Competitor | |
|---|---|---|
| Cutting speed V/c (m/min) | 120 | 120 |
| Feed f (mm/rev) | 0.08 | 0.08 |
| Depth of cut ap (mm) | 0.2 | 0.2 |
| Coolant | WET | WET |