- Configuring LinuxCNC
- Basic Configuration
- Full success on my first ever CNC plasma cut! I’m beyond excited.
Full success on my first ever CNC plasma cut! I’m beyond excited.
- Doug @ Design8Studio.com
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17 Jan 2023 18:14 #262258
by Doug @ Design8Studio.com
Full success on my first ever CNC plasma cut! I’m beyond excited. was created by Doug @ Design8Studio.com
Full success on my first ever CNC plasma cut! I’m beyond excited. Video forthcoming! For now a couple pics. There was almost no slag on this cut. As per charts for cutting thin stuff, 30 PSI on air, 20 amps on the plasma machine. I have it setup for 240V, for full access to cutting thick, even though I don’t even own any thick sheets of steel yet. Huge thanks to all of you who helped me so much. THANK YOU!
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17 Jan 2023 21:28 #262274
by Doug @ Design8Studio.com
Replied by Doug @ Design8Studio.com on topic Full success on my first ever CNC plasma cut! I’m beyond excited.
LowRider 3 CNC DIY Plasma Table PART 12 - SUCCESSFUL FIRST CUT! Beyond excited!
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17 Jan 2023 23:51 #262286
by snowgoer540
Replied by snowgoer540 on topic Full success on my first ever CNC plasma cut! I’m beyond excited.
Nice work!
I am guessing that you were adjusting the height to get something "close" to make sparks
But otherwise, the Probe Test cycle can be used to dial in the probe height and account for the float switch hysteresis so that 1. you will have accurate cut heights and that allows you to 2. set the cut heights per the recommendations in each material.
linuxcnc.org/docs/devel/html/plasma/qtpl...tml#qt_initial-setup (probe test is described in the second set of directions in this section)
Enjoy the table!
I am guessing that you were adjusting the height to get something "close" to make sparks
![:) :)](/media/kunena/emoticons/smile.png)
linuxcnc.org/docs/devel/html/plasma/qtpl...tml#qt_initial-setup (probe test is described in the second set of directions in this section)
Enjoy the table!
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17 Jan 2023 23:56 - 17 Jan 2023 23:57 #262288
by phillc54
Replied by phillc54 on topic Full success on my first ever CNC plasma cut! I’m beyond excited.
Congrats on your first cut...
The Cut Height and Pierce Height need to be real values.
To adjust for the hysteresis of the float switch you need to change Float Travel so that when you do a Probe Test the torch should stop at Pierce Height above the material.
You could probably also adjust your switch to decrease the amount of travel that you have which will then decrease the amount of time spent probing.
linuxcnc.org/docs/devel/html/plasma/qtpl...tml#qt_initial-setup
Edit: It seems my timing was bad.
The Cut Height and Pierce Height need to be real values.
To adjust for the hysteresis of the float switch you need to change Float Travel so that when you do a Probe Test the torch should stop at Pierce Height above the material.
You could probably also adjust your switch to decrease the amount of travel that you have which will then decrease the amount of time spent probing.
linuxcnc.org/docs/devel/html/plasma/qtpl...tml#qt_initial-setup
Edit: It seems my timing was bad.
Last edit: 17 Jan 2023 23:57 by phillc54.
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18 Jan 2023 00:10 #262291
by snowgoer540
Great minds think alike... (we'll forget the second half of this)![:) :)](/media/kunena/emoticons/smile.png)
It is also worth noting that you should use a stiff piece of metal to set the heights as the manual describes.
Replied by snowgoer540 on topic Full success on my first ever CNC plasma cut! I’m beyond excited.
Edit: It seems my timing was bad.
Great minds think alike... (we'll forget the second half of this)
![:) :)](/media/kunena/emoticons/smile.png)
It is also worth noting that you should use a stiff piece of metal to set the heights as the manual describes.
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18 Jan 2023 01:31 - 18 Jan 2023 02:02 #262302
by Doug @ Design8Studio.com
Replied by Doug @ Design8Studio.com on topic Full success on my first ever CNC plasma cut! I’m beyond excited.
@snowgoer540 and @phillc54:
Thank you both for the hugely helpful info. You can certainly tell that I'm new, and also giddy with excitement about having a first test cut that actually worked. This is such a cool hobby!
Thank you both for the hugely helpful info. You can certainly tell that I'm new, and also giddy with excitement about having a first test cut that actually worked. This is such a cool hobby!
Last edit: 18 Jan 2023 02:02 by Doug @ Design8Studio.com.
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18 Jan 2023 02:08 - 18 Jan 2023 03:41 #262306
by Doug @ Design8Studio.com
Replied by Doug @ Design8Studio.com on topic Full success on my first ever CNC plasma cut! I’m beyond excited.
Now I need to get down to actually learning how to use LinuxCNC, actually doing real probe test, and properly setting floating Z travel, figuring out how to do material settings, with their own integrated changes to cut height and pierce height, etc, etc.
Last edit: 18 Jan 2023 03:41 by Doug @ Design8Studio.com.
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18 Jan 2023 02:09 #262307
by snowgoer540
Replied by snowgoer540 on topic Full success on my first ever CNC plasma cut! I’m beyond excited.
You are welcome. I highly suggest reading the QtPlasmaC manual if you haven't done so already. It's probably a boring read, but there are too many neat features to list otherwise.
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18 Jan 2023 02:12 - 18 Jan 2023 02:13 #262308
by Doug @ Design8Studio.com
Replied by Doug @ Design8Studio.com on topic Full success on my first ever CNC plasma cut! I’m beyond excited.
I had previously "read" the "5.6. Initial Setup" sections on Z height, but I was simply too new to understand what I was reading, and too excited (over trying to get a functioning system) to bother over not yet understanding. Now that I have reached a milestone of getting a functioning system, I can buckle down and actually understand what I am reading. I will do my best to read the QtPlasmaC manual as well.
Last edit: 18 Jan 2023 02:13 by Doug @ Design8Studio.com.
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18 Jan 2023 02:31 #262310
by snowgoer540
Replied by snowgoer540 on topic Full success on my first ever CNC plasma cut! I’m beyond excited.
No worries, it's a lot to take in. As you have more questions, we're here to help.
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- Configuring LinuxCNC
- Basic Configuration
- Full success on my first ever CNC plasma cut! I’m beyond excited.
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