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  • rodw
  • rodw's Avatar
22 Feb 2025 19:28
Replied by rodw on topic EtherCAT plasma torch voltage reader

EtherCAT plasma torch voltage reader

Category: Show Your Stuff

Best practice per the Hypertherm docs is to have a star ground point on your machine.
www.hypertherm.com/Download?fileId=HYP103900&zip=False
Most plasma machines have a grounding point. It and the work lead should be connected to this star ground.
Also there shouldd be a seperate groound wire for every motor that leads back to the star ground. The purpose of this is to provide a path for EMI that is not going through all of your linear carriage bearings which adds to noise and damage.

Finally, ohmic sensing will only work  if the torch tip is shielded. You can't do it if the tip is exposed. This is because the electrode is shorted in the torch internally to the work piece until the arc is initiated at which time it blows back by air to  clear the short.

Who said plasma was easy?
  • rodw
  • rodw's Avatar
22 Feb 2025 19:12
Replied by rodw on topic estop issue

estop issue

Category: HAL

What GUI? some do funky stuff.
  • rodw
  • rodw's Avatar
22 Feb 2025 19:08

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

zram is a kernel option which can be disabled by adding zram.enabled=0 to boot.txt
Do you guys want to try that?
The Debian tools are not really necessary. The kernel docs explain how to configure it manually.
www.kernel.org/doc/html/latest/admin-guide/blockdev/zram.html
  • unknown
  • unknown
22 Feb 2025 19:06
  • unknown
  • unknown
22 Feb 2025 19:05
Replied by unknown on topic Linuxcnc hotspot on raspberry pi

Linuxcnc hotspot on raspberry pi

Category: General LinuxCNC Questions

No and if you want to you're on your own. Totally beyond the scope of this forum.
And not a good idea for too many reasons.
  • Jdolecki
  • Jdolecki
22 Feb 2025 18:48
What commercial machines use Linux CnC was created by Jdolecki

What commercial machines use Linux CnC

Category: General LinuxCNC Questions

What commercial machines use Linux as their base?
  • Lpkkk
  • Lpkkk
22 Feb 2025 18:46
Linuxcnc hotspot on raspberry pi was created by Lpkkk

Linuxcnc hotspot on raspberry pi

Category: General LinuxCNC Questions

Hello did anyone tried to set up a hotspot on raspberry pi to connect remotely? 
  • Sziggy_NC
  • Sziggy_NC
22 Feb 2025 18:14
Replied by Sziggy_NC on topic +-10v setup 7i97 & .ini

+-10v setup 7i97 & .ini

Category: General LinuxCNC Questions

JB,
I doubt you will need more than the main.hal, the io.hal, and the .ini files. I included my most recent ones.

There is a python folder in my machine's configuration. This is for the tool changer remap. It has the remap.py, stdglue.py, and toplevel.py. I coppied this folder from "/linuxcnc/nc_files/remap_lib/python-stdglue/python/" You might be able to just direct your INI to this directory instead of copying it, and directing the INI to look for it where I put mine.

I had to add a subroutine folder into the "/linuxcnc/nc_files/" directory for my toolchange.ngc subroutine. I didn't include this file since it is still a work in progress. (it keeps putting tools in pocket #1, bad programing) Also my machine has a standard non random carousel tool changer. I am unsure of what your machine uses.

The following files in my config are empty: custom.hal, postgui.hal, & sserial.hal.

The .clp file is classic ladder stuff to turn off the servos and spindle if they alarm. It also prevents the spindle from being powered on until the machine is enabled. There is also some untested door safety stuff. If you need any of this you will be best off re-doing it with your machine in mind.

If you have any questions about anything in the files please ask. I should go through and better comment the files at some point before I forget what it all does.

Best of luck with your DMG 50.

PS: I'm also using a 7i84 you will see it in the io.hal "net atc-arm-extend motion.digital-in-02 => hm2_7i97.0.7i84.0.0.input-03" I don't believe anything I did in the [SSERIAL] section of the INI was necessary. I'll try deleting it, and testing without it at some point.
  • PCW
  • PCW's Avatar
22 Feb 2025 17:57
Replied by PCW on topic Mesa Configuration Tool

Mesa Configuration Tool

Category: Configuration Tools

Looks great!
  • JT
  • JT's Avatar
22 Feb 2025 17:52
Replied by JT on topic Flexible GUI

Flexible GUI

Category: Flex GUI

In the image I'm pressing the button with the mouse, note mouse states don't work on a touch screen.
QPushButton {
    min-height: 100px;
    min-width: 100px;
    margin: 2px;
    background-position: center;
    background-origin: content;
    background-clip: padding;
    background-repeat: no-repeat;
    background-color: #0000ff;
}

QPushButton#up_button {
    background-image: url(:up_arrow.png);
}

QPushButton#down_button {
    background-image: url(:down_arrow.png);
}

QPushButton:hover {
    background-color: #aaff7f;
}

QPushButton:pressed {
    background-color: #ff0000;
}

QPushButton:disabled {
    background-color: #2c2c2c;

}

 

JT
  • JT
  • JT's Avatar
22 Feb 2025 17:47
Replied by JT on topic Flexible GUI

Flexible GUI

Category: Flex GUI

Just did a test and if you have an image as the background image then color does nothing. Background color does change when you apply different colors to different states.
QPushButton {
	min-height: 80px;
	min-width: 80px;
	margin: 2px;
	background-position: center;
	background-origin: content;
	background-clip: padding;
	background-repeat: no-repeat;
	background-image: url(:up_arrow.png);
	background-color: #0000ff;
}

QPushButton:hover {
	background-color: #aaff7f;
}

QPushButton:pressed {
	background-color: #ff0000;
}

QPushButton:disabled {
	background-color: #2c2c2c;

}

JT
  • TangentAudio
  • TangentAudio
22 Feb 2025 17:42
Replied by TangentAudio on topic development of a qt version of ncam

development of a qt version of ncam

Category: Qtvcp

I've had interest in modernizing NativeCAM as well, and I am comfortable coding in PyQt / LinuxCNC / QtVcp. I don't know exactly how much time I can commit, but might be able to offer some coding help.
  • TangentAudio
  • TangentAudio
22 Feb 2025 17:34
GCodeGraphics corrupts display sometimes was created by TangentAudio

GCodeGraphics corrupts display sometimes

Category: Qtvcp

I've been working on my customized QtVcp GUI and I've been having issues with the preview causing display corruption.  It doesn't always happen, nor have I found a consistent way to make it happen.  Usually it's fine until I load a file for preview, and then go to the tab in my GUI which has the GCodeGraphics widget in it.  Then it draws these huge black triangles over the top of the entire GUI.  Minimizing/maximizing doesn't help, nor does moving around the view inside the widget.

I am doing my development inside of a VirtualBox virtual machine using the standard LinuxCNC Bookworm ISO image.  It could very well be an artifact of the virtual graphics driver, but I have tried a number of different settings and made sure my guest tools are up-to-date with no change.  I haven't yet tested this GUI on my real hardware yet.  I've never seen stock Axis do this from years of past testing.

 
 
  • JT
  • JT's Avatar
22 Feb 2025 17:23
Replied by JT on topic Flexible GUI

Flexible GUI

Category: Flex GUI

Ok the files just opened for me, I see you have a resource defined in the mainwindow, not sure if that interferes with Flex resource or not I don't use that.

I use the Flex Resource builder to create my resource files.

JT
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