Re: [CAD_CAM_EDM_DRO] hexapod universals - 1/2" socket universal joints

Gail & Bryan Harries wrote:

>
> Doug,
> if you're interested in universal joints that are
> smaller than those of the drive train, you could look at
> those for steering shafts... they still have needle bearings
> etc, and are quite a bit smaller...

an excellent idea... but it would be hard to beat the $4 of
the socket universal... I'll look into it.

> Another option (if the angular range of movement was great
> enough) would be spherical bearings (fish eyes or rod ends)

Swiveling is fine, but actually rotating (like I think the
ball-in-socket rod ends will do) won't work for the hexapod.

Doug Fortune
http://www.cncKITS.com