Upper Bearing
| Workpiece name : | Upper bearing |
| Workpiece material : | HT250 |
| Machining position : | Outer circle of shank, end face |
| Machining type : | Finishing |
| Inserts grade : | CNBS500 |
| Insert specification : | DNGA150408 |
| Cutting type : | Dry cutting |
| Workpiece hardness : | HB190-210 |
| Cutting parameters : | Vc=450m/min ap=0.3-0.5mm f = 0.3mm/r |
| PCD cutting tools : | The life is improved by 30% |
| The efficiency is promoted by 20% |
| CUTTING TOOL CONTRAST | CUTTING SPEED VC(M/MIN) | EFFICIENCY (S/PCS) | LIFE (PCS/EDGE) |
| Domestic brand | 1800 | 50 | 1000 |
| iSC CNBS500 | 2300 | 39 | 1300 |
