Re: gear head for 5ft axis

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "afogassa" <afogassa@y...> wrote:

>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
> <dave_mucha@y...> wrote:
> >
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "afogassa" <afogassa@y...>
> wrote:
> > >
> > > Hi All,
> > > I've being thinking to build a 5 axis gantry,'it would rotate a
> > > headstock for A and B axis, where can I find zero backlash gear
> heads
> > > for the 4th and 5th axis? what kind should I go for it?
> > > There is split worm gear box, harmonic type, etc...
> > > money is short as always, so the cheaper the better.
> > > Also there is someone on the list that has built one?
> > >
> > > Thank's
> > > Fogassa
> > >
> >
> > What is the work envelope ?
> >
> >
> > Harror Fright sells 4" rotary tables for under $100 on sale.
> >
> > you could possibly mount an angle plate on a large table and then a
> > small table on that plate.
> >
> > Dave
> >
>
> Thank's Dave,
> I want to rotate the headstock, not the table.
> The machine would have 1.5 m x 1m x 1m travel.
> mostly used for prototype parts, renshape, mdf,.
>

I noticed the table size on the subject line after I hit enter.

The idea still applies. mount a rotary table on the cross slide and a
smaller one on that.

Dave