Re: [CAD_CAM_EDM_DRO] Source of linear encoders

Mcginnis, Darrell S wrote:

> These are likely 150 lpi (lines per inch)

It's looking like that :)

> I'd suggest looking into optical mouse chips from agilent, they can
> supply a native
> 800 cpi (counts per inch) quadrature output for each X and Y.

Still too low, need to be 2000 ( 500 lines per inch )

> If you can find a short linear optical sensor and mount it at a raked
> angle to a linear
> encoder fence, then you can achieve a good vernier result.

It's a thought

> This would be limited by the frame processing speed on the mouse
> chip....2300 frames second
> (translating to a slower "fast slew" limit)

We are only looking for lathe and miller feed speeds, so
that is not a problem.
Thanks for the thoughts.

--
Lester Caine
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L.S.Caine Electronic Services