Research Article
Experimental Study on Electrode Wear of Diamond-Nickel Coated Electrode in EDM Small Hole Machining
Table 5
Electrode experimental parameters in EDM.
| Parameter | Description |
| Workpiece | Die steel | Electrode | Copper, brass, molybdenum, copper-tungsten alloy (W70) composite tool | Coating material | Nickel, diamond-nickel coating | Processing polarity | Positive polarity | Processing time | 3 min | Pulse on | 12.5 μs | Pulse off | 7.5 μs | Discharge breakdown voltage | 45 V | Peak current | 0.8 A | Electrode diameter | 2 mm | Working medium | Deionized water |
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