vjaqua wrote:

Actually you can make your own EDM machine for demo purposes
with about 20 bucks worth of parts from Radio Shack
A 60 w light bulb, a diode rectifier, and an eltrolytic capacitor
clip one lead on a pc of aluminum in isulated container of
a dielectric liquid (kerosine works quite well)
on your drill press or mill and use a brass tube as an elctrode
(square tube is even mor impressive) - Vance

You got plans Vance ?

Paul Lamar

Can Vance or someone put some more detail to this for the electrically
challenged?  Sounds like a cool capability.

Jeff Spitzer

This is a "die sinker", not to be confused with wire.
Had one years ago, and is also great for disintegrating
hardened material, such as broken taps.
Archie

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