Re: Ball screw pitch question please

Wow,Thanks all for your input,that takes a MAJOR worry off my
shoulders and now I can concentrate on the rest of my 'Frankin-
Mill",Best to all and Stay tuned for updates:)


Regards,Steve
--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Bob Muse"
<mtebob1@s...> wrote:

> Hi Steve
>
> Almost all of the controller software packages have no problem with
> differing ballscrew pitches or gear reductions--it's just a matter

of

> entering the number of steps per inch or mm.
>
> Bob
> ----- Original Message -----
> From: "sf7108" <sf7108@y...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Wednesday, April 13, 2005 9:15 AM
> Subject: [CAD_CAM_EDM_DRO] Ball screw pitch question please
>
>
> >
> >
> >
> > Hello all,I have been lurking for a while and now I have a

question

> > that I hope someone has a answer to my concern.I have been

building a

> > bench top CNC from whatever I can machine plus parts from e-bay

and

> > parts I find.Basic concept of what I have is Thomson rails and

ball

> > screw on Z axis with .2 pitch per rev,and on X&Y,the same Thomson
> > rails,but with .5 pitch per rev.How will the controller(which I

don't

> > have yet,nor have any idea of what to choose including motors)
> > understand the pitch differance's so that it can operate

properly.I'm

> > still trying to put a spindle together at the moment,so all I have
> > now is manual axies until I select my servo's or steppers.It's
> > roughly 16" X,8" Y,9" Z travel machine.I hope I haven't shot

myself

> > in the foot by not getting common pitch screws:(
> >
> > Regards,Steve
> >
> >
> >
> >
> >
> >
> >
> >
> > Addresses:
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