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As long as the axis is only controlled by gcode (with no direct display/control from the GUI)
it should work.

You will have to do some hand editing of the hal file to add
the additional joints/axis and kinematics specifier.

Here is a suggestion:

forum.linuxcnc.org/plasmac/55286-servo-d...ofit?start=10#331245


( pncconf has more built-in QTPlasmaC/THCAD support  so may be an easier path)

If I hadn't already occupied all 5 axes I wouldn't have a problem.
Is it possible that my 7i85s card can't control any motors? Does this only work with the 7i85 (without S)? I can't find a clear answer online. Thanks.

At the moment i am testing with hal pins, because of the option 'start from current position' . To have the correct preview, it only worked with hal. The loaded file is just a translation file to call the subroutine. (The subroutine can be used standalone, in gcode or like here from the ui) It is working, i just have to rmember to reload, when parameter changed. Still pending, set a parameter eg  #<_RUNONCE> , which allows the routine to run only once, then have to start from  the panel with known parameter for further use. What i have done so far is mostly working as desired. The sidepanel is a stacked widget with 16 layers when completed

 
 

Can linuxcnc used as controller for hydraulic injection molding machine ?
For example to read thermocouples and do pid temperature control
actuate hydraulic solenoids read linear scales encoders and pressure sensors.
Does anyone have done retrofit of injection molding machine with linuxcnc ?
A machine that is not gcode controlled and not have linear axes..