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

Hi Tom:
The problem is that skinny stuff won't stay flat even when it's
precision ground.
Getting it flat and getting it to stay flat is really hard to do.
Precision ground stock is usually parallel within 0.0005" but that's about
all.
Cheers

Marcus
-----Original Message-----
From: Tom Murray <thomasm923@...>
To: CAD_CAM_EDM_DRO@yahoogroups.com <CAD_CAM_EDM_DRO@yahoogroups.com>
Date: Monday, March 26, 2001 8:41 PM
Subject: [CAD_CAM_EDM_DRO] Flat as a (very precise) pancake...

>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?
>
>Tom Murray
>
>
>
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