ESAB Ultrarex UXD-P 2500 retrofit with Linuxcnc and Proma THC
- tommylight
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- rodw
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Unless you don't want to...But on the other hand, the effort to fit home switches on a gantry machine makes it all set and forget once its done. The 7i77 and other Mesa cards have plenty of inputs so there is not really any excuse not to fit them.
Sheer laziness and will bite one day for sure.
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- phillc54
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Homing by eye is a valid option and has served me well for several years.
Unless you don't want to...But on the other hand, the effort to fit home switches on a gantry machine makes it all set and forget once its done. The 7i77 and other Mesa cards have plenty of inputs so there is not really any excuse not to fit them.
Sheer laziness and will bite one day for sure.
linuxcnc.org/docs/devel/html/config/ini-...homing-configuration
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- tommylight
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Me too, me too !Homing by eye is a valid option and has served me well for several years.

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- alexandrub
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the x2 motor
the x1 motor
can be a home missalignment switch?
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- alexandrub
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Draw in Inkscape, export directly to gcode and open in Linuxcnc, press start, that is it, nothing more so no remaps, not subroutines, no touch off, nothing, everything is implemented in Linuxcnc
How know the machine where material zero is? You assume that the table is perfect level, add the sheet thickness and start from there?
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- tommylight
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Nice.How know the machine where material zero is? You assume that the table is perfect level, add the sheet thickness and start from there?
You jog it to material zero and "touch off" x and y axis so that becomes material zero.
I do not care much about the table, it has THC so it does not need it perfectly leveled or the sheet is flat.
For the Z axis, you have to tell us what config you are using, if PlasmaC, check the PlasmaC manual, if others, which one ?
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- alexandrub
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Thanks for your answers.
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- tommylight
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- alexandrub
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