Re: Threaded Rod/Cable Driven Encoders

Dean,

I'd say that's pretty close :-)

If you use an o-ring instead of the rubber bands, I think you'll have
better overall life and more "repeatable" tension on the nuts.

Nice work.

Ballendo

--- In CAD_CAM_EDM_DRO@y..., "deanc500" <deanc500@y...> wrote:
>Ballendo, do you mean like this? I built a small wooden router and
>used 1/2-13 threaded rod for lead screws. I made the nuts from 1"
>dia. nylatron gs barstock. I also polished the screw with valve
>grinding compound by running a steel coupling nut up and down about
>50 times.
>When I was done, I could see movement as fine as 0.0002 with a dial
>indicator. (ie 5 ticks back and forth between the 0.001 markings.
>This was repeatable anywhere on the screw.)Im not saying its
>perfect, just pretty good for under $5.
>
> http://plaza.powersurfr.com/deanc/nylatronnut/
>
> Dean