The micro machining of copper plates by the electrical discharge machining (EDM) process is described. Tungsten carbide was selected as the material for the electrode. Experiments were carried out on a conventional CNC-EDM machine to investigate machining of micro holes, and micro slots. The results show that micro holes, and micro slots can be successfully processed on a conventional CNC-EDM machine. To improve the productivity of micro parts using the EDM process, a batch production method of micro EDM using multi-electrodes has been studied. A new technique for preparing multi-electrodes has been developed. Results also show that the batch production of micro parts using EDM is feasible and that the batch production of micro parts using EDM process with multi-electrodes is very effective.
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Weng, FT., Her, MG. Study of the Batch Production of Micro Parts Using the EDM Process. Int J Adv Manuf Technol 19, 266–270 (2002). https://doi.org/10.1007/s001700200033
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DOI: https://doi.org/10.1007/s001700200033