Re: [CAD_CAM_EDM_DRO] Digest Number 1522

Hi,

> More than ten years ago, Model Engineer magazine published a design
> for an EDM which had a very small stepper driving the electrode through a
> screw. It basically drove forward into the workpiece until it sensed a
> short, whereupon the stepper was reversed to withdraw the electrode.
>
> I remember there was an improved drive circuit published using a 556
> and a stepper driver. As far as I remember, the sensing was done across a
> very low value resistor. If there's any interest I'll try to dig it out
> and make it available.

I would love to see it.. Could you dig it for us ?? Thanks a lot..

Best regards,
Alexandre Guimaraes
alexg@...