Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers

----- 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