Re: [CAD_CAM_EDM_DRO] Toothed belts for DROs

Alan,
One of the guys that I have been corresponding with off-list is trying just
that. I have not heard from him in a couple of months, but we agreed that
there should be no problem and will offer excellent tracking ability. He
also has found a source where he can buy it by the foot!

Should be easy to do.

At 09:01 AM 8/1/01 -0700, you wrote:

>As I ponder my DRO dilemma .. squeezing things under the table of my
>HMill, I'm also staring at the drive system for the scanners I've taken
>apart.
>
>The scanner uses a toothed timing belt to move the carriage around,
>tensioned by a spring loaded pulley.
>
>It gets a guy to thinking
>
> hmmmm...
>
>Is there any reason not to use a similar arrangement to turn a rotary
>encoder - a timing belt and a couple of pulleys - thereby converting
>linear to rotary motion ? And save all the fuss with dial cords and
>whatnot ?
>
>I mean, we trust timing belts and pulleys enough to act as heavily
>loaded drive systems for our CNC machines .. why wouldn't we trust them
>enough to drive an unloaded encoder as a DRO ?
>
>Just wondering ...
>
>Alan
>
>--
>
>Alan Rothenbush | The Spartans do not ask the number of the
>Academic Computing Services | enemy, only where they are.
>Simon Fraser University |
>Burnaby, B.C., Canada | Agix of Sparta
>
>

Bubba

OLDER THAN DIRT
Country Bubba
(Actually the inventor of Country and Bubba)

axtein@...
LaGrange, GA

http://www.surfsouth.com/~axtein


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