Re: [CAD_CAM_EDM_DRO] Re: EDM machine

Jon::
yes there will be a bridge rectifier 25 amp 200PIV I
guess the question I was getting at is or was the use
of the 120uF 300 v caps could be used in stead of the
ones in the book ,would I right in this thinking
John
--- Jon Elson <jmelson@...> wrote:

>
>
> marble here wrote:
>
> > My understanding on the use of Caps. I could and
> may
> > be wrong on this ., If you use a supply of 60htz
> that
> > will be the max that the caps will hold right
>
> If you use a full-wave rectifier, the caps will be
> charged at
> 120 times per second. Now, the technique I use has
> a large
> (30,000 uF) capacitor after the rectifier which
> provides a smooth
> DC voltage to start with. The series resistor
> provides the charging
> of the capacitor. Here, the frequency is dependent
> more on the
> EDM process than anything else, but the charging
> time can be
> varied with the resistor value (as well as the
> combination of
> EDM capacitors in the circuit).
>
> Jon
>
>

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