Fabrication of Deep, Narrow Holes in Steel Using High-speed Electrical Discharge Machine with Conductive Aqueous Working Fluid
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概要
- 論文の詳細を見る
Conductive aqueous working fluid is increasingly being used instead of dielectric oils or deionized water for hole-fabrication in steel by means of electrical discharge machining (EDM). In the present study, the drilling speed, rate of wear on a tool electrode, and the precision of a hole-fabrication EDM system using aqueous working fluid (conductivity <1000 μS/cm) were examined. The working fluid was deionized water containing an additive which was composed of a surfactant (dispersant for other contents), a cleaner, an extreme pressure agent, an antirust agent, an antiseptic, and an antifoaming agent. For holes of diameter 0.40–1.20 mm and depth of 20 mm fabricated in S50C steel, the drilling speed and the wear on the tool electrode were improved by increasing the amount of additive. However, the precision of the fabricated hole decreased when the additive was used.
- 2007-04-15
著者
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SATO Naoki
Department of Neurosurgery, Osaka Neurological Institute
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Takeda Koichi
Department of Pathology, Wakayama Medical University
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Kumagai Seiji
Department Of Machine Intelligence And Systems Engineering Akita Prefectural University
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Kumagai Seiji
Department Of Applied Physics Faculty Of Engineering Tohoku University
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Takeda Koichi
Department Of Machine Intelligence And Systems Engineering Akita Prefectural University
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KAGAYA Takanori
Department of Machine Intelligence and Systems Engineering, Akita Prefectural University
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Kagaya Takanori
Department Of Machine Intelligence And Systems Engineering Akita Prefectural University
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Takeda Koichi
Department Of Machine Intelligence And System Engineering Akita Prefectural University
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Sato Naoki
Department Of Machine Intelligence And Systems Engineering Akita Prefectural University
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Sato Naoki
Departentm Of Chemisty Faculty Of Science Shinshu University
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Takeda Koichi
Department Of Electronic Engineering Tohoku University
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Takeda Koichi
Department of Biological Science and Technology, Faculty of Engineering, The University of Tokushima
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