Re: [CAD_CAM_EDM_DRO] Re: Make your own linear scales

This raises a question I've been mulling over, but haven't done anything
about:

If you could make a nice swarf/coolant/dust proof optical tube and mount
it on your tool, you could pretty much make an interferometer and use it
as the encoder for a DRO. It would take a lot of tweaking, and would be
sensitive as all get-out to vibration (not sure how to fix that yet), but
it would work.

This is how grating ruling engines have been indexed for decades (over a
century?) Any thoughts on adapting existing DRO boards to use one of
these beasties?

I don't mind designing optics. It's the electronics what scare me.

Tom

On Fri, 1 Mar 2002, studleylee wrote:

> Ballendo,
> Food for thought..?.
> http://physicsweb.org/article/news/5/9/9
>
> -Lee
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