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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/5016

Title: Modeling of a single resistance capacitance pulse discharge in micro-electro discharge machining
Authors: DHANIK, S
JOSHI, SS
Keywords: theoretical-models
material removal
erosion model
edm
breakdown
liquids
plasma
Issue Date: 2005
Publisher: ASME-AMER SOC MECHANICAL ENG
Citation: JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, 127(4), 759-767
Abstract: Micro-EDM (electro discharge machining) is a derived form of EDM process especially evolved for micro-machining. The use of resistance capacitance pulse generator, an advanced controller for machining in smaller interelectrode gaps and with lower discharge energies than in EDM, makes the material removal characteristics of a single discharge in micro-EDM different from that of the EDM. A comprehensive model predicting the material removal in a single discharge in micro-EDM is conceptualized. The model incorporates various phenomena in the prebreakdown period. It considers plasma as a time-variable source of energy to the cathode and anode to evaluate material removal at the electrodes. The plasma temperature and radius of the crater at the cathode (work-piece) predicted using the model were found to agree well with the experimental data in the literature.
URI: http://dx.doi.org/10.1115/1.2034512
http://dspace.library.iitb.ac.in/xmlui/handle/10054/5016
http://hdl.handle.net/10054/5016
ISSN: 1087-1357
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