Re: z axis servo size

In my application it's a small gantry style CNC router.

Joa

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:
> flyasuperseven wrote:
>
> >For a small DIY mill (aluminum) what size ratio is generally used
for
> >the Z axis compared to the X&Y (IOW how big should it be compared
to
> >the other two servos)? The mill would be doing a lot of 3-axis
> >profiling?
> >
> >
> Are we talking about a Bridgeport or a mini-mill? Are we talking
about
> moving the Bridgeport knee or quill? Or on a mini-mill, lifting
the entire
> head, or just the quill? It makes a huge difference!
>
> I set up my Bridgeport with about 1000 Lbs of linear force
available for
> X and Y, and 200 Lbs for the quill, as 200 Lbs is the correct
setting for
> the overload clutch on Bridgeport's quill power feed.
>
> Of course, 200 Lbs of linear force would be a huge mistake if you
were
> moving
> a bridgeport knee instead of the quill!
>
> Jon