RE: [CAD_CAM_EDM_DRO] aluminum Vee rails ?

> I have seen the 80/20 extrusions that have the Vee rails as part of the

extrusion.

>
> is using aluminum practical for this purpose ?
>
> Anyone know what the grade of aluminum might be ?

You mean this: http://www.makerslide.com &
http://www.kickstarter.com/projects/93832939/makerslide-open-source-linear-b
earing-system/comments.

Most of the 80/20 stuff seems to be 6105-T5, the slide would be the same.

It's only meant for light duty stuff, lasers in the seller case or camera
dollys etc. The seller makes plastic v-groove bearings to match (sleeves
over normal bearings).

The idea was to save people having to grind the Vs onto the end of flat
plate, and then attach that to the beam. www.MechMate.com does the same
thing in steel.

The heavy promotion of 'open source' tag amuses me.

Tony