Re: [CAD_CAM_EDM_DRO] Flat as a (very precise) pancake...

Tom Murray wrote:

> Is it possible to get Precision Ground Flat Stock that is more
> precise than the usual off-the-shelf stuff?
> I'm talking about parallelism somewhere in the neighborhood of +/-
> 0.0005" per foot in width and thickness.
> I've noticed that the Starrett products that I have laying around are
> noticeably warped. I'd like to know where one can get flat stock that
> is actually flat. Is this a specialty item that needs to be made to
> order at high cost?

I think if you leave this stuff sitting around for a while, stress will slowly
be relieved. If you need it really flat, a surface grinder or Blanchard
grinder will do the job. If there is a shop in town with a Blanchard
machine, they could probably do it for you relatively cheaply.
If you need a lot of them done, a big Blanchard machine could probably
do dozens of pieces at one time, for a VERY low per-piece price.

Jon