Re: [CAD_CAM_EDM_DRO] EDM troubles

It happens all the time on commercial edm too. You have to clean the job and
the electrode with a fine emery paper and then start again.

Zafar

----- Original Message -----
From: "turbulatordude" <davemucha@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, August 11, 2003 4:28 AM
Subject: [CAD_CAM_EDM_DRO] EDM troubles


> Hi all,
>
> simple RC EDM unit. after test drilling some holes in steel with a
> copper electrode, I pulled the electrode out mid spark to inspect the
> progress and now it does not start to spark easily.
>
> It went from full voltage to sparking voltage without a spark, then
> quickly went to a short.
>
> do the electrodes get dirty with carbon ?
>
> any suggestions ?
>
> Sparkless in New Jersey. (Dave)
>
>
>
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