Re: Rotary set-up question????

Yes, but than it would not be stiff enough when machining.
The same I've now.







--- In CAD_CAM_EDM_DRO@yahoogroups.com, Russ Waters <mycncworld@y...>
wrote:

> Hi sounds good... Have you ever thought of trying a geared down

stepper, via timing belt and pulley system to a home made rotary
divice? I do believe it would eliminate all backlash....

>
> Russ
>
> afogassa <afogassa@y...> wrote:
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Russ Waters
> wrote:
> > Hi all, hopefully there are some of you that have experience in
> adding rotary axis to a cnc milling or even a lathe system..... I
> know this is asking a lot, but if you can help get me started in
> hardware and software requirement, I would greatly appreciate it!
> >
> > I am using stepper in my mill and lathe system, MicroKinetics is
> one of the controller programs I have access to....
> >
> > Thanks in advance,
> > Russ
> >
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> I'm using deskcnc and a rotary axis, very simple plug a step drive
> and motor and there you have.
> Only problem is to find a zero backlash rotary table to use.
> I'm using a 40:1 gear reduction and it have about 3min. of backlash
> when machining up to 1" diameter it's not a problem, but when
> machining a 4" diameter than we got problems.
>
>
>
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