Re: [CAD_CAM_EDM_DRO] re:Levelling large table

Incidently...you might get everything "perfectly flat" and then move the
machine. moving the machine is going to cause the "flatness to disappear if
you don't have a good way to adjust the floor supports as well.

Smoke

>In a bridge design, the table will have to be kept flat within itself
>or by the use of a sub structure which also moves with the table. I
>HAVE seen many cases where a $20k+ machine relied on the flatness
>of .500 tooling plate to define and support the machine geometry,
>usually with some help from a small welded steel frame! This can
>work, but WILL not be (or stay) FLAT! Other times , ONLY
>the 'bearings' or 'rails' (of the linear bearing system) were bolted
>to the .500 plate! IT was 'supposed' to be flat, right?!? NOT!!!
>
>Hope