This paper reports investigations of electrical discharge machining (EDM) using a powder-suspended working fluid instead of a pure dielectric. The EDM characteristics obtained using hydrocarbon dielectric (kerosene) and a mixture of deionized water with abrasive powder have been compared. The relationships between surface roughness parameters, material removal rate and operating parameters of EDM have been determined for different kinds of powder and concentration in kerosene/water.
KobayashiK.The present and future developments of EDM and ECM. In Proceedings of International Symposium on Electromachining (ISEM-11), Lausanne, Switzerland, 199529–48.
2.
MohriN.SaitoN.NarumiyaH.KawatsuY.OzakiK. T.KobayashiK.Finish machining by EDM using powder suspended working fluids. J. Japan Soc. of Electrical-Machining Engrs, 1992, 49, 61–64.
3.
MohriN.SaitoN.NarumiyaH.KawatsuY.OtakeH.TsunekawaY.TakawashiT.KobayashiK.Study on finishing of large area workpiece by EDM. J. Japan Soc. Precision Engng, 1987, 53(1), 29–32.
4.
NurumiyaH.MohriN.SaitoN.OtakeH.TsunekawaY.TakawashiT.KobayashiK.EDM by powder suspended working fluid. In Proceedings of International Symposium on Electromaching (ISEM-9), Nagoya, Japan, 1989171–176.
5.
UnoY.OkadaA.Surface generation mechanism in EDM with silicon powder mixed fluid. Int. J. Electl Machining, 1997, 2, 13–18.
6.
RozenekM.KozakJ.DabrowskiL.Study of electrical discharge machining using powder suspended working media. In Proceedings of International Symposium on Electromachining (ISEM-13), Bilbao, Spain, 2001601–610.
7.
KonigW.KlockeF.SparrerM.EDM-sinking using waterbased dielectrics and electropolishing—a new manufacturing sequence in toolmaking. In Proceedings of International Symposium on Electromachining (ISEM-11), Lausanne, Switzerland, 1995225–234.
8.
DunnebackeG.High performance EDM using a water-based dielectric. In Proceedings of International Symposium on Electromachining (ISEM-10), Magdeburg, Germany, 1992170–182.
9.
KozakJ.RozenekM.DabrowskiL.Investigation of electrical discharge machining using abrasive powder suspended dielectric (in Polish). Trans. WUT—New Technologies, 2000, 3, 25–34.
