Re: [CAD_CAM_EDM_DRO] Cheap source of encoders

Hi Doug:
I have read about the US Digital solution, and will go that way if I have
to, but I was trying to save a few dollars if I could. I plan to try the
interface by Steve Lindsay.

Mike

----- Original Message -----
From: "Doug Fortune" <pentam@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, March 11, 2001 8:27 PM
Subject: [CAD_CAM_EDM_DRO] Cheap source of encoders


> mjohnson@... wrote:
>
> > Hello!
> > I am starting my first DRO, and I am trying to minimize my expense.
> >
> > I would like to know of sources for surplus or used encoders. I have
> > seen a few on ebay. Is there another source?
>
> Everyone will tell you that http://www.usdigital.com has linear
> encoders for $28 and linear strips for $2/inch. The combo will
> give you 360 CPR or 1440 counts/inch in quadrature
> (ie 0.000 694 444 inch steps). I don't know how you can get
> higher resolution for less money - but if someone knows, please
> speak up!!!
>
> Are you building your own DRO display, or using the Kulaga/Mauch
> IBMPC ISA board?
>
> Doug Fortune
> http://www.cncKITS.com
>
>
>
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