Rapid return to start position

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01 Nov 2019 13:36 #149356 by ytiuqibu
We have a fairly basic setup using LinuxCNC with a parallel port and Axis GUI.
I notice at the end of a job that Axis displays the final coordinates for all three axes. Is there any way to have the program take those three coordinates and perform a rapid move to return to the point at which the job started?
None of us has programming experience.
I hope this is posted in the correct place.

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01 Nov 2019 15:54 #149370 by tommylight
That depends on the CAM software used to generate the gcode, not on Linuxcnc. What CAM are you using?
I know for sure Inkscape does put gcode for return to start point (home) always, others might not.
You can also edit the gcode file and add the
G0 X0 Y0 Z0 at the end.

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01 Nov 2019 16:50 #149373 by Mike_Eitel
@thomy
I think you should change your advise by fist look for clearance (mostly Z) to do something like:
G0 Zxxx. With Z out of workpeace and then after
G0 X0 Y0.
.... M2?
m5c Mike
The following user(s) said Thank You: tommylight

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01 Nov 2019 19:14 #149384 by tommylight
@125mike That is very true for mills especially, and that can be done as you said
G0 Z0
G0 X0 Y0

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02 Nov 2019 10:05 #149421 by ytiuqibu
Thanks guys.
We are using CamBam, but potentially also Inkscape and FreeCAD.
I can teach a few of our members to edit their Gcode accordingly but will check the CamBam forum to see how to incorporate it automatically as the number of members using our CNC grows.

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