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  • Quail
07 Nov 2025 21:41
Replied by Quail on topic Plasma Tube Cutter with only 2-Axis on QTPlasmaC
Thanks for being a good sport haha.

Yeah we had to do some tricky stuff and use the m64 and m65 commands for torch on and off in the g-code. Also had to manually add in the pauses before and after cutting to ensure a good arc and full cut had been made.

There's some other odd stuff going on in the background too. The machine thinks the rotary axis is linear and 1 inch of travel is actually 1 rotation. We made a post processor for sheetcam that scales any unwrapped tube profile to be within 1inch as well to correspond to the 1 revolution needed. Lots of strange stuff happening lol.
  • tommylight
07 Nov 2025 21:38
Replied by tommylight on topic realtime log position to txt use python script
I am pretty sure it did till 2.7 as i used it on every machine, and we had power outages daily back then.
No idea now as we have no power outages so i do not use it anymore.
  • kale hater
07 Nov 2025 21:34 - 07 Nov 2025 22:24
Replied by kale hater on topic Plasma Tube Cutter with only 2-Axis on QTPlasmaC
YOOOOOOOOO. This is so well done
  • tommylight
07 Nov 2025 21:33
Replied by tommylight on topic Plasma Tube Cutter with only 2-Axis on QTPlasmaC
Who? Why? Where? When? :)
Nicely done and thanks for reporting back and for proving everything is possible with LinuxCNC.
  • Hakan
07 Nov 2025 21:29 - 08 Nov 2025 07:42
Replied by Hakan on topic RaspberryPi 4/5 Ethercat Rtelligent ECT60 Synchronization error
I think it is something the Rpi does at regular intervals, drops the network interface for some reason.
Inspired by some googling can you search through the syslog to see if you find why eth0 is reset?
Code:
sudo journalctl -b | grep eth0

Edit. Another idea is to configure NO ip address on the interface.
Maybe it can prevent the os from doing ip-related things to the interface.
  • Quail
07 Nov 2025 21:06
Plasma Tube Cutter with only 2-Axis on QTPlasmaC was created by Quail
They told me it wasn't possible! They doubted me! Mwahahahaha!!

Functional 2-axis tube cutter using no Z-axis on QTPlasmaC:
 

 
  • fery15sty
07 Nov 2025 21:00
Replied by fery15sty on topic realtime log position to txt use python script
I've tried POSITION_FILE, but it can only save the position when linuxcnc is closed normally. When my PC is suddenly turned off, such as due to a power outage or linuxcnc error, POSITION_FILE doesn't save the last position of the machine movement.
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