Random Questions on setup
29 May 2024 14:29 #301750
by FlaredFins
Random Questions on setup was created by FlaredFins
So, we ran our first production run using the 7i96s, THCad2 and QTPlasmac, and it was like jumping in a Cadillac after driving a pinto. Night and day between Mach4 and linuxcnc. Soo happy I invested in switching electronics over and making the switch.
Couple of issues I encountered and would like to get corrected.
I don't think i have my Z set correctly no issues in cutting or height control, When the machine is homed for the first program run, it runs up to the Z+ Prox / Z home from their it drops down to I'm guessing an offset I put in. it than drops down about 2 inches and zeros the Z drive. not a big deal but when I'm trying to line the torch up it won't go below 0.00 is it better to let the Z axis home off the probe or an upper limit.
On Probe it does this weird little double probe you can watch it come off the probe switch than go back to it than proceeds to cut height. is this normal or am I missing something in the settings?
Randomly had no arc signal from the Hypertherm 65. this was closer to the end of the program about 45 minutes into cutting. I'm guessing it was a Hypertherm issue as I turned it off reseated the CPC port and it came back no issues but eventually did it again. I'm running Mode 1 in QTPlasmac which I believed was the setting when there is a separate ARC ok Signal?
During that no arc ok phase I also noticed that QTPlasmac will attempt three times to fire the torch after the third round of that it powers off with the screen switch and resets the program. Is this normal if it is, is there a way to change the number of rounds it will go through before resetting the whole program.
Appreciate any info on these Items
Couple of issues I encountered and would like to get corrected.
I don't think i have my Z set correctly no issues in cutting or height control, When the machine is homed for the first program run, it runs up to the Z+ Prox / Z home from their it drops down to I'm guessing an offset I put in. it than drops down about 2 inches and zeros the Z drive. not a big deal but when I'm trying to line the torch up it won't go below 0.00 is it better to let the Z axis home off the probe or an upper limit.
On Probe it does this weird little double probe you can watch it come off the probe switch than go back to it than proceeds to cut height. is this normal or am I missing something in the settings?
Randomly had no arc signal from the Hypertherm 65. this was closer to the end of the program about 45 minutes into cutting. I'm guessing it was a Hypertherm issue as I turned it off reseated the CPC port and it came back no issues but eventually did it again. I'm running Mode 1 in QTPlasmac which I believed was the setting when there is a separate ARC ok Signal?
During that no arc ok phase I also noticed that QTPlasmac will attempt three times to fire the torch after the third round of that it powers off with the screen switch and resets the program. Is this normal if it is, is there a way to change the number of rounds it will go through before resetting the whole program.
Appreciate any info on these Items
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30 May 2024 03:05 - 30 May 2024 03:08 #301806
by phillc54
linuxcnc.org/docs/devel/html/plasma/qtpl...plasma:initial-setup
linuxcnc.org/docs/devel/html/plasma/qtpl...lasma:parameters-tab
Replied by phillc54 on topic Random Questions on setup
Some info on the Z axis:I don't think i have my Z set correctly no issues in cutting or height control, When the machine is homed for the first program run, it runs up to the Z+ Prox / Z home from their it drops down to I'm guessing an offset I put in. it than drops down about 2 inches and zeros the Z drive. not a big deal but when I'm trying to line the torch up it won't go below 0.00 is it better to let the Z axis home off the probe or an upper limit.
linuxcnc.org/docs/devel/html/plasma/qtpl...plasma:initial-setup
The two most common reasons for this are:On Probe it does this weird little double probe you can watch it come off the probe switch than go back to it than proceeds to cut height. is this normal or am I missing something in the settings?
- The Probe Height is set too high compared to Safe Height.
- Probe Height is set below the material height and the first probe trip is done at Setup Speed then the second trip is done at Probe Speed.
Not sure what you mean by resetting, the program should go into pause mode after the failed attempts.During that no arc ok phase I also noticed that QTPlasmac will attempt three times to fire the torch after the third round of that it powers off with the screen switch and resets the program. Is this normal if it is, is there a way to change the number of rounds it will go through before resetting the whole program.
linuxcnc.org/docs/devel/html/plasma/qtpl...lasma:parameters-tab
Warning: Spoiler!
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30 May 2024 14:29 #301847
by FlaredFins
Another question I left out yesterday not an issue but more of curiosity. while cutting I noticed one of the plates showing in red that it had been cut already and then it went back to white like it hadn't been cut yet. this is more than likely in the manual but thought I'd ask. Is this also part of cut recovery so as long as it is still red that's how far back you can go for cut recovery?
Replied by FlaredFins on topic Random Questions on setup
Another question I left out yesterday not an issue but more of curiosity. while cutting I noticed one of the plates showing in red that it had been cut already and then it went back to white like it hadn't been cut yet. this is more than likely in the manual but thought I'd ask. Is this also part of cut recovery so as long as it is still red that's how far back you can go for cut recovery?
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