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  • Creative25
  • Creative25
09 Nov 2024 07:35
Replied by Creative25 on topic Controlling a compressor with Linuxcnc.

Controlling a compressor with Linuxcnc.

Category: Plasmac

Unfortunately a flywheel will not work either. 
If the compressor starts during probing it will only run for a short time and will cut out because of under voltage. 

I do not cut a lot yet. So I can’t afford a diesel generator. 
  • besriworld
  • besriworld
09 Nov 2024 06:39
Replied by besriworld on topic OLD Lathe conversion to a CNC

OLD Lathe conversion to a CNC

Category: Turning

Hello, I have a stupid question. How to do a tool change without stopping and waiting for a change tools. I use gmoccapy .
I am currently changing the tool to T6 M6 G43 . If I load T6 G43 does not load the tool offset.
Thanks!
  • spumco
  • spumco
09 Nov 2024 05:36

[SOLVED] Rigid tapping problem - tristate_bit and index-enable?

Category: General LinuxCNC Questions

Wrapping up my mill rebuild and have run in to another issue.

Tried rigid tapping for the first time tonight and the spindle spun up to speed at the correct Z-height and just sat there spinning.  Obviously waiting for something that didnt happen.

First thought was  the spindle-at-speed signal.  Nope, that signal went high at the appropriate rpm, and stayed on despite a few rpm flutter.

Next culprit I suspect is the encoder index logic.  I know the encoder index signal/pin is working since spindle orient works OK.

Looking through my spindle HAL stuff, I remembered I had to use a tristate_bit pin to get orient functioning.  Because my spindle motor won't reliably orient on its own, I've had to add a pneumatic shot-pin to help stop it at the right spot.

Subroutine below, but basically I have to toggle the tristate_bit on & off, then rotate the spindle a rev or two to set the index.  Once that's set, shot pin is deployed and orient moves the spindle slow-ish until the shot pin drops in place.

Relevant HAL connections:
Warning: Spoiler!


And the spindle orient/homing g-code:
Warning: Spoiler!


Have I somehow hijacked LCNC's ability to set index-enable for G33 commands?

Do I need an or2 component somewhere so that something in LCNC can set the index-enable pin high for synchronized spindle moves in addition to the orient sequence?

Or should I be looking elsewhere for the tapping-won't-start problem?
  • cmorley
  • cmorley
09 Nov 2024 04:06

QT Dragon - Funktionstaste mit "Override limits" belegen?

Category: Deutsch

Exzellent! Ich freue mich, dass es bei Ihnen funktioniert.

Chris
  • spumco
  • spumco
09 Nov 2024 03:18

probe basic - toolpath/file preview loading error

Category: QtPyVCP

Adding my two cents here...

I get a similar error message when trying to load a g-code file in PB.  No issues with the backplot but the attached error message pops up when I load the file.

I think I narrowed it down to the tool number being >199.

When I commented out the T407, T823, and T642 it loaded with no complaints.  And when I edited the file it would load fine at T199 (other two commented out) but puked when changed to T200.

I can load the tools in/out of my ATC using the PB interface, and call them up via MDI with no errors.

I can work around this for a short time by renumbering tools, but this is going to be annoying since I imported my F360 library to LCNC and I've got tools up to the 1100-range in the table.
  • MarkoPolo
  • MarkoPolo
09 Nov 2024 02:47
Replied by MarkoPolo on topic Rotary axis Display

Rotary axis Display

Category: Advanced Configuration

You can try to make a preview window with QtVismach. In Vismach the rotation axis displays well. I quickly made a window that is overlaid on qtdragon , as in the screenshot. You would have to work on displaying the gcode preview, but it would probably be useful.
  • ihavenofish
  • ihavenofish
09 Nov 2024 02:26
  • NTULINUX
  • NTULINUX's Avatar
09 Nov 2024 02:25 - 17 Nov 2024 02:39
Replied by NTULINUX on topic Linux is an RTOS NOW

Linux is an RTOS NOW

Category: Installing LinuxCNC

I'll be hosting a heavily optimized AMD64 Gentoo build for LinuxCNC and I'll be updating my interactive Gentoo installer too, it'll have the 6.12 PREEMPT_RT kernel, XFCE 4.20 pre-release and LXQt 2.1.

Installer works very well, removes all the hassle from building sources, works with LinuxCNC out of the box (just have to emerge it) and the installer works faster than Ubuntu and Debian installers. It's just out-of-date at the moment.

edit: Currently having serious issues with lxqt-panel (the fricken task bar) so it may just have XFCE instead.

edit2: Problems solved, LXQt will be available in this build too.
  • Philip Lydin
  • Philip Lydin
09 Nov 2024 02:10
Replied by Philip Lydin on topic Brother TC-225 / TC-229 adventure!

Brother TC-225 / TC-229 adventure!

Category: CNC Machines

its fixed now, it was some small potentiometer on the drive that was set to set wrong position and after that it runs super smooth
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