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

Tom Benedict wrote:

> 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.

I don't think you could make it work, due to machine vibration. You'd
need to mount the mirrors on 50 Lb. blocks of steel, etc. It would be
fine for calibrating other measuring systems, though.

Jon