More Z-Axis Issues
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- MakingStuff
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Increase the Fail Timeout in the Arc frame of the Config panel.
That value is set to 1.5 seconds. I turned off the plasma cutter and tried to run the program and it is waiting the full 1.5 seconds before it fails. So there is something else going on here. I'm not sure what to try next.
If I hit the torch pulse button, the torch comes on for a full second at 125V and the arc ok light comes on. The 125V is exactly what I was expecting to see. So I know the voltage divider is working.
Any ideas?
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- MakingStuff
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- MakingStuff
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It may be worthwhile to do some probe tests and check that the height is correct. It retracts to Probe Height after a probe test.
Ok I'll double check it tomorrow. I set it yesterday but something may have changed since then. I've already put everything away for the night. I did build a new floating z-axis because this machine has a machine torch and it wouldn't fit in the old z-axis.
Also this plasma cutter seems to have a much higher air flow than the old one. Is there a way to move the torch to the top when the program is finished so it does not splash out so much water? Right now at the end of the program it moves to the z-top and then back down to the cut height. I'm still using your post processor. My old processor would park the torch at the z-max height at the end of a program.
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If you set your machine up so Z home is almost the top of Z and don't do any manual Z moves then that is where the torch will end up at the end of each job
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- MakingStuff
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It may be worthwhile to do some probe tests and check that the height is correct. It retracts to Probe Height after a probe test.
I did some more testing with it today. Not sure if I was using the probe test correctly. I think I had the travel height set too high. I lowered the travel height and also increased the pulse time. This seems to have fixed most of the aborted starts. Every now and then it will abort a start, but if I hit resume it normally continues. I think I'm ready to try some larger cuts.
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BUTTON_n_CODE = probe-test 30
If the measured height is incorrect then adjust either the Float Travel or Ohmic Probe Offset in the Config Panel depending on the sensing type you were using so that the measured height is correct.
linuxcnc.org/docs/devel/html/plasma/plas...de.html#button-probe
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- MakingStuff
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BUTTON_n_CODE = probe-test 30
That explains why I could not figure out what was going on. For some reason my ini file was set to BUTTON_n_CODE = probe-test 3. I changed the value to 30 and now I've got the height set dead on.
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