Re: [CAD_CAM_EDM_DRO] Increasing DRO resolution

Paul,
To answer the question of using a mechanical means to
increase encoder resolution, I have seen it used both
with encoders and the older syncro's to increase
resolution. Toothed timing belts aren't as compact as
gears, but they are easier to setup and not have a lot
of backlash. Yes I know they make antibacklash gears,
however they are more expensive and harder to set up.
Bill Higdon

> This has probably been dealt with before but I can't find it in the
> archive.
> It has been said on this group that encoders should, ideally, have
> a resolution 10 times greater than that which you wish to display.
> Therefore to display measurements down to 0.0005" (� thou.) the
> resolution of the decoder would have to detect movement of 0.00005".
> Art Eckstein shows on his webpage http://ns1.dicomm.net/~axtein/ how
> he used mechanical advantage to double the resolution of his system
> when using rotary encoders.
> > Paul
>
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