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It looks like you can customize the post-processor of Freecad to do that:
https://wiki.freecadweb.org/Path_Postprocessor_Customization
Most call CAD/CAM software has the ability to modify a header to be
inserted before every gcode.
…-Chris
On Wed, Dec 21, 2022 at 11:14 AM Arne v.Irmer ***@***.***> wrote:
Hi,
the path workbench of Freecad does not write a spindle-on (M3/M4) at the
start of the GCode for grbl. Maybe this is not a bad idea, because at the
stop/start of a GCode the spindle handling has to be considered as well.
So far, I have always started a macro before executing my GCode to switch
on the spindle, but this can be forgotten.
So here is my question:
Is it possible to combine the start of the execution of GCode with the
switch on of the spindle?
Switching off at the end of the program and at stop works perfectly
reliable.
Yours
Arne
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Hi,
the path workbench of Freecad does not write a spindle-on (M3/M4) at the start of the GCode for grbl. Maybe this is not a bad idea, because at the stop/start of a GCode the spindle handling has to be considered as well.
So far, I have always started a macro before executing my GCode to switch on the spindle, but this can be forgotten.
So here is my question:
Is it possible to combine the start of the execution of GCode with the switch on of the spindle?
Switching off at the end of the program and at stop works perfectly reliable.
Yours
Arne
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