Drill through anything (conductive) with Electrical Discharge Machining- How To Build
 

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" I show how to build an EDM drilling machine, describe how it works, and where to buy parts. "



https://www.youtube.com/watch?v=rpHYBz7ToII



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I am a certified EDM operator.
It is really great for making small passages, like oil journals.
We use Edm to remove vanes in Rolls Royce OGV cases we overhaul.
We also use it to make oil journals in RR vane clusters.
So many applications, so little time.,