RE: [CAD_CAM_EDM_DRO] Re: mouse encoder?

Where do you get 1/16" end mills? I can't find any smaller than 1/8".

-----Original Message-----
From: Tony Jeffree [mailto:tony@...]
Sent: Tuesday, August 21, 2001 4:46 AM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: [CAD_CAM_EDM_DRO] Re: mouse encoder?


At 04:17 21/08/2001 +0000, you wrote:

>Having just taken four meeces apart, and finding one that had
>50 segments, I got to thinking about how to make or find a better

resolution

>disc for them.
>
>Are the discs something one could purchase separately?

Nothing to stop you from making your own discs if you have a suitably small
end mill. I made a 60-slot disc for RPM measurement using a 1/6" end mill &
the 3" diam platter from a defunct hard drive - worked a treat. You can
see some photos of that plus my PIC-based RPM meter at:

http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/Tony%27s%20files/RPM/

Of course, the disc I am using is rather larger than the ones in the
mouse... I'm thinking of using it to build a larger navigation device for
Windoze - probably call it the "elephant"...;-)

Regards,
Tony


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