Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers

Thanks Ian,

You think that would be deep enough? I was thinking of using a ball end
mill, and Jon suggested a countersink. I still need good pockets for
the three balls. They wouldn't have to fit perfectly, in fact, they
could be a drilled pocket, and pressed in.

Alan KM6VV


Ian Wright wrote:

>
> ----- Original Message -----
> From: "Alan Marconett KM6VV" <KM6VV@...>
> The "armature" would be a flat
> > disk, with three hemispherical cups, on the BOTTOM side of the disk,
> > arranged to register with the three balls.
>
> Hi alan,
>
> Use a brass disk, lay it on the 3 balls in their ring (with support under
> it) and clout it with a big hammer. That'll make the depressions for you in
> exactly the right positions. Silver plate the disk and the jobs a good 'un.
>
> Ian
> --
> Ian W. Wright
> Sheffield UK
> www.iw63.freeserve.co.uk