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Machining properties of Micro EDM using electrostatic induction feeding

  • Xiaodong Yang
  • , Masahito Kimori
  • , Masanori Kunieda
  • , Sadao Sano
  • , Ichiro Araie
  • Tokyo University of Agriculture and Technology
  • Sodick Co., Ltd.

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The purpose of this research is to develop a micro electrical discharge machining method using electrostatic induction feeding. With this method, a pulse generator is coupled with a tool electrode by a capacity in order to reduce the minimum discharge energy per pulse eliminating the influence of the stray capacitance in the circuit. Since both straight polarity discharge and reversed polarity discharge occur alternately, the tool electrode wear is high. Hence, in this study, a diode was connected between the tool electrode and the workpiece in parallel to the working gap to make the discharge unipolar. Theoretical analysis and experimental investigation were conducted on the discharge circuit which was modified to obtain the unipolar discharge.

Original languageEnglish
Title of host publicationProceedings of the 15th International Symposium on Electromachining, ISEM 2007
EditorsMurali Meenakshi Sundaram, K.P. Rajurkar, Ralph L. Resnick
PublisherIndustrial and Management Systems Engineering
Pages231-234
Number of pages4
ISBN (Electronic)0979497701, 9780979497704
StatePublished - 2007
Event15th International Symposium on Electromachining, ISEM 2007 - Pittsburgh, United States
Duration: 23 Apr 200727 Apr 2007

Publication series

NameProceedings of the 15th International Symposium on Electromachining, ISEM 2007

Conference

Conference15th International Symposium on Electromachining, ISEM 2007
Country/TerritoryUnited States
CityPittsburgh
Period23/04/0727/04/07

Keywords

  • Capacity coupling
  • Diameter of craters
  • Diode
  • Electrostatic induction feeding
  • Micro EDM

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