From: Processing of Al2O3–SiCw–TiC ceramic composite by powder mixed electric discharge grinding
Grinding wheel specification | Parameters kept constant during PMEDG processing | ||
Wheel diameter | 100 mm | Polarity | Negative |
Wheel bonding | Bronze | Gap voltage | 70 V |
Abrasive grit size | #800 mesh | Discharge current | 4 A |
Wheel thickness | 20 mm | Dielectric | Kerosene |
Parameters for wheel dressing | |||
Pulse peak current | 6 A | Duty ratio | 0.56 |
Pulse on time | 200 μs | Wheel speed | 3.93 m/min |