On Tue, 2015-08-11 at 10:35 -0400, Gene Heskett wrote:
> On Tuesday 11 August 2015 09:14:10 Valerio Bellizzomi wrote:
> 
> > On Tue, 2015-08-11 at 07:59 -0400, Gene Heskett wrote:
> > > On Tuesday 11 August 2015 05:42:28 Valerio Bellizzomi wrote:
> > > > On Tue, 2015-08-04 at 16:59 +0100, andy pugh wrote:
> > > > > On 4 August 2015 at 16:46, Gene Heskett <[email protected]> 
> wrote:
> > > > > > Is there a way to setp the 'A' so its homed forever, or to
> > > > > > coax axis into displaying a separate button to home A wherever
> > > > > > its at?
> > > > >
> > > > > If you give the A-axis a homing sequence number, then specify a
> > > > > homing speed of zero then the A will get tagged as homed along
> > > > > with the rest. Even if it isn't physically there.
> > > > >
> > > > > I have a part-time A axis on my mill, and do exactly that.
> > > >
> > > > hello,
> > > >
> > > > I have set home_search_speed at 0 and also home_latch_speed at 0
> > > > but it wasn't doing that. it started to work after setting also
> > > > home_sequence = -1
> > > > then the rotative A axis is homed without moving.
> > >
> > > My A axis HOME_SEQUENCE is 3 , with all _VEL's at 0.0.  And it Just
> > > Works(TM).  And it is star'ed in the DRO display last in the homeing
> > > sequence.
> > >
> > > Cheers, Gene Heskett
> >
> > I had set a home _sequence of 3 and the motor started moving to
> > infinite because there are no home switches.
> > So I searched the forum and found this home_sequence = -1, it does
> > exactly what's required here: the motor should not move.
> >
> Then I suspect you may have had a non-zero *_VEL set for that axis.  They 
> s/b set to zero.
> 
> There's a msg about that a week or 10 days ago.  Yes, from Andy Pugh on 
> the 4th of August:
> 
> "If you give the A-axis a homing sequence number, then specify a homing
> speed of zero then the A will get tagged as homed along with the rest.
> Even if it isn't physically there.
> 
> I have a part time A axis on my mill, and do exactly that."
> 
> Cheers, Gene Heskett

I would like to home the A axis (rotative) separately.
After homing XYZ I would jog the A axis manually and then home it,
ideally.

But I have another question regarding gcode: suppose I want to turn the
A axis by 90 degrees, which gcode command should I issue?




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