| Specific components and process features | This allows us to achieve: |
| NOZZLE NEEDLE (SEAT & MATCH GRINDING) | |
| CBN grinding wheel | cycle times < 15s |
| 2 diameter in-process measurement heads | straightness < 0.3µm |
| piezo tailstock | guide diameter roughnesses Ra < 0.06µm |
| pre-measurement station | gap dimension deviation <1µm |
| dimensional check station | roundnesses < 0.3µm |
| NOZZLE NEEDLE (IN ROLLER ASSEMBLY) | |
| roller assembly | Seat angle +/- 0.1° cmk>2 |
| hydrostatic axes | roundness 1.2 µm cmk>2 |
| external grinding wheel with CBN | straightness 0.8 µm cmk>2s |
| rotating dressing | course to receptacle diameters 2µm cmk>2 |
| Rz 1.3 / Pt 1.4 cmk>2 | |
| grinding time 6.5 sec. | |
Post time: Jun-04-2020