Research Article

Simulation of Material Removal Process in EDM with Composite Tools

Table 6

Material parameters and electrical parameters of EDM experiments.

ParametersValue

Materials of electrodesCopper and die steel
Materials of workpieceDie steel
Machining polarityNegative
Pulse on time20 μs
Pulse off time10 μs
Breakdown voltage20 V
Peak electric current1.4 A
Diameter of electrodes2 mm
Machining time180 s
DielectricDeionized water