Re: [CAD_CAM_EDM_DRO] Digitizing

Lots of CMMs get retrofitted to the new hardware/software, but you can find
used ones they still aren't what I'd call a homeshop budget item.

--Greg

----- Original Message -----
From: "Bill Phillips" <cad@...>
To: <CAD_CAM_EDM_DRO@egroups.com>
Sent: Monday, January 08, 2001 1:42 PM
Subject: Re: [CAD_CAM_EDM_DRO] Digitizing


> Just a thought but there does seem to be an awfull lot of reinventing the
> wheel going on in this thread. Some very necessary due to the high price
> and complexity of the commercial items. I just wondered if anyone has ever
> seen any second hand CMM's for sale. We seem to see machine tools up for
> grabs almost continuously and people are doing great work reusing them,
> what happens to all the CMM's when they are discarded? They are full of
> bits and pieces that most of this group would find very useful even more
so
> if they were still working.
>
> Regards
> Bill Phillips
>
>
> >Regarding digitizing objects, there happens to be a couple articles in
> >Strictly IC on the very subject. I have managed to misplace the issue
> >with the first part, but in the second, the author shows the Ford Model
> >T engine block he digitized, the rig he did it with (rather enormous),
> >and the end result, a scaled pattern. To avoid the problem of generating
> >usable CAD data from a point cloud, it seems (from just scanning the 2nd
> >article) that he made the probe in the exact scaled up profile as the
> >cutter he planned to use to cut the pattern.
> >
> >The rig is far more cumbersome that most would want to build in their
> >garage, but the articles ought to prove interesting to anyone seriously
> >thinking of digitizing real world parts.
> >
> >Jon
>
>
>
>
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