I think you have given my some idea of how to approach this. I will have 
a panel with some controls on and a python script behind that to make 
sure only one chuck is working at any time. This way I can turn the 
setup around and still have the same gcode to work on both sides. One at 
a time. While the one is busy, the operator will load the stock on the 
other one.

so this is how I think it will go:

The operator will load stock in a chuck
he will select the chuck on the panel
He will enter the part size on the ngcgui screen
he will push go
the stock will be probed and the number of parts calculated
the gcode will run for a number of parts.
He will load the other chuck
once the first job is done he will select the other chuck and push run
The whole day long.



On 2014-03-21 19:14, Dave Caroline wrote:
> I am not sure of your setup one Z or two, if two yes just have your Zs
> in the way that makes the gcode sensible, so one is inverted, I think
> your display may need fixing too so it looks properly right hand.
>
> Dave Caroline
>
> On 21/03/2014, Marius Liebenberg <mar...@mastercut.co.za> wrote:
>> On 2014-03-21 18:57, Dave Caroline wrote:
>>> How about just ignore conventions and invert the Z direction.
>> You mean like with a component to invert the dir pin of the stepper?
>>> Dave Caroline
>>>
>>> On 21/03/2014, Marius Liebenberg <mar...@mastercut.co.za> wrote:
>>>> On 2014-03-21 18:02, Stuart Stevenson wrote:
>>>>> Can you rotate like you show and then mirror X?
>>>> You can with G10 L2 R180. X will rotate 180 deg around the Z. Not what I
>>>> want. I need to rotate the Z.
>>>>
>>>>> On Fri, Mar 21, 2014 at 10:50 AM, Marius Liebenberg
>>>>> <mar...@mastercut.co.za>wrote:
>>>>>
>>>>>> On 2014-03-21 17:29, andy pugh wrote:
>>>>>>> On 21 March 2014 15:17, Marius Liebenberg <mar...@mastercut.co.za>
>>>>>> wrote:
>>>>>>>> . The trick with this lathe is that is is two lathes in
>>>>>>>> one. A mirrored setup with a dual tool post in the middle and a
>>>>>>>> spindle
>>>>>>>> on both ends
>>>>>>> A picture would help a lot.
>>>>>> Very straight forward really. Not a standard lathe but a custom made
>>>>>> to
>>>>>> cut plastic. Looks much like a wood lathe with two chucks. Linear
>>>>>> slides
>>>>>> along the Z axis with a chuck at each end. One X axis with permanent
>>>>>> tools set up at both ends of the tool holder.
>>>>>>> Do you want to use XZ for both spindles, or would XZ for one and UW
>>>>>>> for the other be better?
>>>>>> I was hoping to use XZ for both if possible. The action of G10 L2 P1
>>>>>> R180 would have worked if I did not want to swing around the X. It is
>>>>>> exactly what I want but just for swinging around the X axis. It means
>>>>>> that Z is reorientated.
>>>>>>> Either option is relatively straightforward apart from avoiding
>>>>>>> following errors when you switch spindles, or switch the toolpost to
>>>>>>> following a different G-code output.
>>>>>> I would like to keep the same gcode if possible.
>>>>>>
>>>>>> Will I have to remap the G10 maybe or do you have a better solution?
>>>>>>
>>>>>> --
>>>>>>
>>>>>> Regards /Groete
>>>>>>
>>>>>> Marius D. Liebenberg
>>>>>> +27 82 698 3251
>>>>>> +27 12 743 6064
>>>>>>
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------------
>>>>>> Learn Graph Databases - Download FREE O'Reilly Book
>>>>>> "Graph Databases" is the definitive new guide to graph databases and
>>>>>> their
>>>>>> applications. Written by three acclaimed leaders in the field,
>>>>>> this first edition is now available. Download your free book today!
>>>>>> http://p.sf.net/sfu/13534_NeoTech
>>>>>> _______________________________________________
>>>>>> Emc-users mailing list
>>>>>> Emc-users@lists.sourceforge.net
>>>>>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>>>>>
>>>> --
>>>>
>>>> Regards /Groete
>>>>
>>>> Marius D. Liebenberg
>>>> +27 82 698 3251
>>>> +27 12 743 6064
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> Learn Graph Databases - Download FREE O'Reilly Book
>>>> "Graph Databases" is the definitive new guide to graph databases and
>>>> their
>>>> applications. Written by three acclaimed leaders in the field,
>>>> this first edition is now available. Download your free book today!
>>>> http://p.sf.net/sfu/13534_NeoTech
>>>> _______________________________________________
>>>> Emc-users mailing list
>>>> Emc-users@lists.sourceforge.net
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>>>>
>>> ------------------------------------------------------------------------------
>>> Learn Graph Databases - Download FREE O'Reilly Book
>>> "Graph Databases" is the definitive new guide to graph databases and
>>> their
>>> applications. Written by three acclaimed leaders in the field,
>>> this first edition is now available. Download your free book today!
>>> http://p.sf.net/sfu/13534_NeoTech
>>> _______________________________________________
>>> Emc-users mailing list
>>> Emc-users@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/emc-users
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>> --
>>
>> Regards /Groete
>>
>> Marius D. Liebenberg
>> +27 82 698 3251
>> +27 12 743 6064
>>
>>
>> ------------------------------------------------------------------------------
>> Learn Graph Databases - Download FREE O'Reilly Book
>> "Graph Databases" is the definitive new guide to graph databases and their
>> applications. Written by three acclaimed leaders in the field,
>> this first edition is now available. Download your free book today!
>> http://p.sf.net/sfu/13534_NeoTech
>> _______________________________________________
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
> ------------------------------------------------------------------------------
> Learn Graph Databases - Download FREE O'Reilly Book
> "Graph Databases" is the definitive new guide to graph databases and their
> applications. Written by three acclaimed leaders in the field,
> this first edition is now available. Download your free book today!
> http://p.sf.net/sfu/13534_NeoTech
> _______________________________________________
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>

-- 

Regards /Groete

Marius D. Liebenberg
+27 82 698 3251
+27 12 743 6064


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