--- In GrizHFMinimill@yahoogroups.com, "\"hanermo\" - CNC 6-axis Designs" <gcode.fi@...> wrote:
>
> My experience is the exact opposite.
>
> These cheap ones are not accurate ... in that they have a max +/- 0.02
> mm error.
> This make them useless for knowing where your controlled point is.
>
> They look good, and almost work .. for a DRO.
> A dro is meant to tell you, in abs. terms, whether you are where you
> want to be.
>
> The difference between a press, push and sliding fit is -0.01 mm, 0.00
> mm and +0.01 mm.
>
> > 6" $25.50
> > http://www.grizzly.com/products/0-6-Digital-Fractional-Horizontal-Vertical-Remote-Scale/T21577
> >
> > 12" $35.00
> > http://www.grizzly.com/products/12-Digital-Scale-with-Remote-Readout-Inch-Metric-Fraction/T23012
> >
> > I added a 6" for Y, 12" for X and Z on my mini-mill all for $106.
> > The work great and I can't see buying the $500 and higher DROs.
>
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