NTK CBN – Large Rings – BH340
NTK CBN - Large Rings - BH340
BH340 is the successor to B40, and in this case, cutting speed increased by 1.2 times, improving machining efficiency.
BH340 has high resistance to chipping and fracture.
Share
| Industry | Heavy |
|---|---|
| Component | Ring |
| Material ISO code |
 P - Steel |
| Work material | SCM440 |
| Machine(spindle type) | CNC Lathe |
| Tool family | Turning |
| Tool category | External turning |
| Product name | BH340 Insert |
| TSR No. | 5474T |
Tool
| Tungaloy - NTK | Competitor | |
|---|---|---|
| Holder | S40T-WDUNR15 | S40T-WDUNR15 |
| Insert | DNGA150408PQS01535 | DNGA150408PQS01535 |
| Cutting width | 154 | 154 |
| Grade | BH340 | B40 |
Tool life
| Tungaloy - NTK | Competitor | |
|---|---|---|
| Tool life (pcs/edge) | 0.25 | 0.25 |
Cutting conditions
| Tungaloy - NTK | Competitor | |
|---|---|---|
| Cutting speed V/c (m/min) | 120 | 100 |
| Feed f (mm/rev) | 0.25 | 0.25 |
| Depth of cut ap (mm) | 0.1 | 0.1 |
| Number of pass | 4 | 4 |
| Coolant | WET | WET |