wrong scale thc of the z axis during cutting on qtplasmac

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22 Jul 2021 12:51 #215579 by billykid
in fact there are errors ..
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22 Jul 2021 13:01 - 22 Jul 2021 13:02 #215580 by phillc54
There is nothing in those to be concerned about, they are just informational warnings.

As a workaround, setp the thc-feed-rate pin to 1500 in the Hal file and see if it works OK for you. In the meantime I will see if I can determine why it is happening.

Also I agree with Greg that you should use Auto Volts.

Edit: Also set PID P to 10 and PID I to 0
 
Last edit: 22 Jul 2021 13:02 by phillc54.

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22 Jul 2021 13:13 #215581 by billykid
Thank you ! yesterday i tried to cut 3mm thick iron at 25 amps 92 volts 1000mm / min speed with "setp plasmac.thc-feed-rate 500" and it cut very well. with autovolt set, however, it did not work well.

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22 Jul 2021 23:23 #215617 by phillc54
Auto Volt "should" work best but you have to make sure that your Pierce Hieght is correct after doing some probe tests and also the the Cut Height is correct in the Parameters. With Auto Volts you don't need to worry about the Cut Volts in the Parmeters.
Did the THC work ok after setting it to 1500?
What Locale do you use?
 

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23 Jul 2021 06:39 #215650 by billykid
I got the best results with setp plasmac.thc-feed-rate 150. this morning I turned on the pc and cut volt was set to 99 (I had saved it at 92) brought back to 92 but the save button is gray and inactive, the setting is fine anyway, the localization is Italy. thinking about it years ago debian had to be installed without changing the language otherwise it didn't work ..
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23 Jul 2021 15:30 #215700 by billykid
today i got busy done a fresh install without touching anything left us, then installed master 2.9 copied my configuration and now plasmac.thc-feed-rate is 1500 without line in hal. everything seems to work, we need to let Tom know
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23 Jul 2021 15:50 #215702 by tommylight
Always here, except when sleeping, and i do not do much of that! :)
Was bussy cutting some keyhangers, need to wire a cnc controlled camera sliders, need to make some extension cables for 3D printers to make them direct drive and get rid of the bowden tube as i am pushing them way beyound what they can handle, monut 2 more Creality CR-10 Max and test them, print some stuff, etc etc.
But still here... :)
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23 Jul 2021 16:05 #215703 by billykid
congratulations for all your works! but I wrote to tell you because it seemed to me that you had the problem of missing plasmac.thc-feed-rate
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23 Jul 2021 16:07 #215704 by snowgoer540
That’s great news!  I am happy you got it all sorted out.  Now you can get to the fun part:  making sparks!  

Enjoy!  :)

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23 Jul 2021 16:49 #215707 by tommylight
Thank you Billy, i am sure Phill and Snowwy fixed that, i just did not have the time to do a new config as the main machine has more than just ins and outs, has also drive faults....
BTW, all that i said above i had to do, scratch that, i have to go fix the Elumatec, all the drives went dead and they do have power going to them.
forum.linuxcnc.org/30-cnc-machines/31792...-sbz-130-01-retrofit

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