Abstract:
Owing to the dependency of real-time interelectrode gap (discharge gap) on instantaneous discharge
voltage in a resistance–capacitance (RC) circuit-based
lEDM, analyzing machining responses with respect to the
discharge gap could be a crucial task. This work aims to
extract the information on the material removal rate (MRR)
and overcut at various discharge gaps, set in terms of opencircuit voltage ð Þ Vo in a controlled RC-based lEDM setup.
The results have been obtained for MRR and overcut and
found to be in good agreement with logical reasoning. The
results have been further supported by a thorough discussion in the context of the discharge gap and corresponding
discharge energy. A DAQ system has been used to capture
the real-time discharge voltage data and corresponding
amperage at a high sampling rate to estimate the discharge
energy.
