Re: [CAD_CAM_EDM_DRO] Re: Hexapod question

industrialhobbies wrote:

>Although I know nothing about a hexapod design or uses, it would
>appear that in order to maximize effectiveness of the machine it
>would need to be built with the struts on the bottom, so the material
>can be supported on the top and pushed towards a fixed cutter.
>
>

This seems sensible. I chose the "push down" design because it's been
done before successfully.

>Someone mentioned measuring the EXACT positions of the mounting
>points to be of paramount concern and difficulty.
>
>I would have to say that it could easily be done using a rotary table
>(or some other angle fixture), a concave mirror, a laser pointer and
>some basic trig. By using the same basic technique that is used to
>test the parabola of a telescope mirror.
>

Can you elaborate on this?

Ideally, I'd like to have real time feedback about the position of the
tool. I don't know of any sensor that can provide this. Maybe something
that uses radar?