Jogging z axis while machine is running

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21 Apr 2019 21:09 - 21 Apr 2019 21:16 #131423 by Jbcuts
So I’ve got a random question, (CNC Plasma) has anyone ever seen or figured out how to “unlock” the jogging of the z axis while the machine is running. I want to eventually put a torch height controller on it but for the time being it would be nice to be able to adjust it while running.

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Last edit: 21 Apr 2019 21:16 by Jbcuts. Reason: No CAPTCHA

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21 Apr 2019 22:26 #131427 by tommylight
Use the thc_toma config for plasma, it has inputs for the THC and you can use those inputs with switches to control the Z axis while cutting. You will also have initial height sensing if you already have a floating head with a switch in it.
You do not need a THC for this.
forum.linuxcnc.org/plasma-laser/34978-th...-with-how-to?start=0

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22 Apr 2019 05:17 #131455 by rodw
If you run master branch, you could use external offsets to nudge the torch up and down. Plasmac has this feature.

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22 Apr 2019 07:07 #131465 by pl7i92
there is a simple THCUD compinent
meaning UP Down movement
you can connect the 2Pins via a input and simply a Crane Trigger like
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