Over here I found the attached article.
http://www.cnczone.com/forums/showthread.php?t=26271
A quick summary, EDM is handy for removing tool steal, some times deposited from broken taps, ect. This article includes schematic and theory for a DIY EDM machine that shouldn't cost an arm and a leg.
EDM (electric discharge machining)
EDM (electric discharge machining)
- Attachments
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- EDM.zip
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