Re: [CAD_CAM_EDM_DRO] "Light Bulb" EDM ???

Light bulbs are low cost high wattage and low resistance resistors. I looked
at it quickly and it seems the light bulb was serving as a current limit
resistor for when the electrode shorts out.

Tim
[Denver, CO]

----- Original Message -----


> In the latest issue of one of the home shop Machine mags, they had a
> feature with a home built EDM which for some reason used light bulbs
> (controlling the freq. I guess)
>
> anyone have more detailed plans for the electrical side of this
> project or point me in the right direction?
>
> I have a few broken exhaust studs that I'd like to remove myself
>
> Thanks,
>
> Mike