[CAD_CAM_EDM_DRO] Mach3 homing

The problem is, there is no 'home all', at all, in mach3 lathe. And G28
does not seem to do what it's meant to by definition of ZERO RETURN in
terms of hardware on a machine.

I'm hoping a mach3 lathe user can answer...

Regards
Roland

On 21 March 2012 20:23, Michael Fagan <woodworker88@...> wrote:

> You could jog both axes until they trip the home switches and then press
> home all, but most machines I have used do this with a macro. I use EMC2
> not mach so I'm not exactly sure what steps you need.
>
> Sent from a mobile device.
> On Mar 21, 2012 2:16 PM, "Roland Jollivet" <Roland.Jollivet@...>
> wrote:
>
> > **
> >
> >
> > I have to run a macro to home the machine???
> >
> > Thanks. How do i do this?
> >
> > Does this mean that nobody, ever, wants to home their lathe with a 'home
> > all' button like there is on the mill GUI?
> >
> > I find it very strange. I have looked at every button on the lathe gui
> and
> > can't find anything at all about. It still feels like I'm missing
> > something..
> >
> > Regards
> > Roland
> >
> > On 21 March 2012 20:09, Michael Fagan <woodworker88@...> wrote:
> >
> > > G28 is "go home" not "set home position". You need to run a home all
> axes
> > > macro which sets your G52 machine coordinate zero.
> > >
> > > Sent from a mobile device.
> > > On Mar 21, 2012 1:18 PM, "Roland Jollivet" <Roland.Jollivet@...>
> > > wrote:
> > >
> > > > **
> > > >
> > > >
> > > > Hi all
> > > >
> > > > I got my lathe cnc'ed and been playing around with it. It works fine.
> > > >
> > > > But today I installed home switches on the X and Z and am confused.
> > > >
> > > > I'm used to turbocnc, and on that I used to use G28. It would move
> off
> > > > towards the home switches and then back off, with the display showing
> > > > 0,0,0. Easy and simple........
> > > >
> > > > On mach, in the diagnostic screen, I can see the buttons 'light' up
> > when
> > > I
> > > > press the home switches. But if I type G28, the Z goes off towards
> the
> > > > tailstock and the switch has absolutely no effect ??
> > > >
> > > > At first I only had the X home switch set up, with Z not enabled, but
> > > the Z
> > > > would still move off ?? So then I thought, strangely that I'd HAVE to
> > > have
> > > > the Z home switch installed, which i did, but that has no effect
> > either.
> > > >
> > > > If I type G28 X0, it goes off in either direction depending on where
> it
> > > is,
> > > > but the switch still has no effect.
> > > >
> > > > I have not changed the default values for the home positions in the
> > > config.
> > > > Right now I just want mach3 to respond to the switches. How does one
> > > > perform a simple home function?
> > > >
> > > > Turbocnc also had a 'home axes' option. I can't find this in mach3
> > > >
> > > > A bit long winded, but trying to be clear ablout what I've done so
> far.
> > > > Help appreciated.
> > > >
> > > > Regards
> > > > Roland
> > > >
> > > > [Non-text portions of this message have been removed]
> > > >
> > > >
> > > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> > >
> > >
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> OFF Topic POSTS: General Machining
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> you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
> sister site to the CCED group, as many of the same members are there, for
> OT subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
> DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
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> List Mom
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