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  • RotarySMP
  • RotarySMP's Avatar
Yesterday 06:24
Replied by RotarySMP on topic Maho MH-400 Retofit

Maho MH-400 Retofit

Category: Deutsch

Das einzige ähnliche Umbau der ich kenne ist This Old Tony's Video Series, aber er hat sein MH400 umgebaut auf 3 getrennte Achsen Motoren, und KUS.
  • Venker
  • Venker
Yesterday 05:33
C axis was created by Venker

C axis

Category: Turning

Hi everyone,I’m adding a C axis to my CNC lathe and running into an issue I can’t figure out.Previously, the axis would rotate (basic motion was working), but I hadn’t properly tuned the scale or step settings yet. Now, after adjusting parameters, I’m getting a consistent problem:As soon as I enable the machine and try to jog the C axis (C+ or C-), LinuxCNC immediately throws a “Joint 2 error”and disables the machine.Details:
  • AC servo drive in step/dir mode
  • Encoder is connected only to the drive (not to LinuxCNC)
  • C axis is configured as ANGULAR
  • SCALE = 27.78 (assuming 10,000 pulses per revolution)
  • MAX_VELOCITY ≈ 60–72 deg/sec
  • MAX_ACCELERATION ≈ 200–230 deg/sec²
The axis previously rotated before I changed scaling parameters, so I don’t believe it’s a wiring issue.I’m trying to understand:
  • Why LinuxCNC is throwing a Joint 2 error immediately
  • Whether this is a scaling issue, limits issue, or configuration issue
  • What I should check next (HAL wiring, limits, FERROR, kinematics, etc.)
Any guidance from someone experienced with adding a C axis to a lathe would be greatly appreciated.
Also I did use ChatGPT to turn my ape thoughts into human ones, anyways any help would be appreciated thanks!!!
  • nichtAlex
  • nichtAlex
Yesterday 05:05
Replied by nichtAlex on topic Umstieg von LinuxCNC + Mesa auf EtherCAT (Leadshine EL8 / Beckhoff) – Erfahrunge

Umstieg von LinuxCNC + Mesa auf EtherCAT (Leadshine EL8 / Beckhoff) – Erfahrunge

Category: Deutsch

T3 ist das Netzteil für das Raspberry Pi. Ist das offizielle also hatte ich gehofft die Qualität ist etwas besser. Die Buskabel sind hochwertige von Lütze mit Siemens Profinet Steckern. Benutzen wir auf der Arbeit auch so.

Unter dem Metallsteg sitzen das Hauptschütz wo 3 Phasen und Neutralleiter dranhängen, ich tippe, dass das Probleme macht. Ist zwar suboptimal mit dem Metallsteg aber solange es funktioniert... Kommt eh ein Deckel drauf.

Mit dem RCD muss ich noch gucken, ich muss eh die Elektroinstallation neumachen da ich in der Werkstatt noch keinen Drehstrom habe. Hoffe wenn ich da einen extra RCD für die Maschine setze ist der Ableitstrom nicht zu hoch. Als ich so getestet habe (einfach temporär in der UV abgegriffen) hat der RCD ausgelöst aber da kamen ja noch ableitströme vom restlichen Haus dazu.
  • Lcvette
  • Lcvette's Avatar
27 Feb 2026 04:55
Replied by Lcvette on topic Add Buttons in Probe Basic

Add Buttons in Probe Basic

Category: QtPyVCP

Run it again,

At the bottom once it completes running and you have an entry line again run the following command:

Sudo apt --fix-broken install

This will collect and install any missing dependencies and should complete the installation.
  • tcbmetalworks
  • tcbmetalworks
27 Feb 2026 02:41
Replied by tcbmetalworks on topic QTPLASMAC integrated cad/cam

QTPLASMAC integrated cad/cam

Category: Plasmac

Here is two screen shots of the current state of the software, I am making it in python and will push it into the qtplasmac when its useable. im trying to keep it simple and easy/straight forward to learn/use. still is very buggy but am making progress. The goal is with the software is to bring the fabricator closer to the machine, its not to replace a real cad software just for drawing parts fast and easy. conversational cad.    
  • PCW
  • PCW's Avatar
27 Feb 2026 01:40
Replied by PCW on topic 7I77D over heat

7I77D over heat

Category: Driver Boards

Yes, typically this is caused by  a wiring error or worst case,
a damaged 7I77D output chip.
  • tommylight
  • tommylight's Avatar
27 Feb 2026 01:27
Replied by tommylight on topic 7I77D over heat

7I77D over heat

Category: Driver Boards

Moved to "driver boards".
-
Check the wiring, or post pictures of the wiring here so we can have a look.
  • okielaxplyr
  • okielaxplyr
27 Feb 2026 01:20
7I77D over heat was created by okielaxplyr

7I77D over heat

Category: Driver Boards

I am using a optocoupler (from amazon) between my 7i77D output and a solenoid valve for a spindle break in the sinking configuration, the output is over-temperature faulting for some reason.
using TB8 OUTPUT0. Field voltage is 24Vdc and driving the relay with the same 24 power supply. 
I set up the opto relay on the bench and it only draws 2.2ma on the input in low position.
I'm kind of at a loss, the manual says the outputs can take up to 350ma.

Please advise
John V.
 
  • tommylight
  • tommylight's Avatar
26 Feb 2026 22:01
Replied by tommylight on topic Just When You Couldn't Hate Government More

Just When You Couldn't Hate Government More

Category: Off Topic and Test Posts

Let's see how long it takes for such cr@p to reach Europe...
  • Hannes
  • Hannes
26 Feb 2026 22:01 - 26 Feb 2026 22:02
Replied by Hannes on topic XHC WHB04B development?

XHC WHB04B development?

Category: General LinuxCNC Questions

I just had an idea: I don't need A/B/C, so I wired the feeds to these channels. It works way better anyway and I can use the jog wheel.

You can not use this in MDI mode due to when jogging, the WHB automatically changes to manual mode.
In auto mode with linuxcnc 2.9.8 without my patch, you probably will get a lot of error messages due to the whb wants to change from auto to manual. But this is gone with this fix:
github.com/LinuxCNC/linuxcnc/pull/3810/c...f939ee3cfb99275R1344

See 

File Attachment:

File Name: xhc_whb04b_6.hal
File Size:15 KB
after:
#Rewire feeds to A/B/C

 
  • tar_san
  • tar_san
26 Feb 2026 21:53 - 26 Feb 2026 21:56
Replied by tar_san on topic Ver 2.9.4 iso clean install Trouble when disabling EOE

Ver 2.9.4 iso clean install Trouble when disabling EOE

Category: EtherCAT

Thank you so much,  This video is helpful.

And I counld not find ESI upload function in SigmaWin+.
I agree that using SigmaWin would be better if I could use it to do that.

And I think .. sometimes updating new ESI to older software version device is a little bit risky..
I'm considering a little bit about it.

Anyways, thank you so much you guys.
  • tommylight
  • tommylight's Avatar
26 Feb 2026 21:50
Replied by tommylight on topic Need to install newest Linux Debian Bookworm with the newest Linuxcnc preempt-rt

Need to install newest Linux Debian Bookworm with the newest Linuxcnc preempt-rt

Category: Installing LinuxCNC

Normal gcode
G17 G90 G64 P0.001 M3 
G21
G0 Z0.1000
F5000.0000
F5000.0000
G0 X115.8525 Y150.0000
F5000.0000
G1 Z-10.0000
 X111.6756
 X109.9170 Z-9.5877
 X109.6238 Z-9.2348
 X109.3307 Z-9.1373
 X108.5979 Z-9.3725
 X105.9599 Z-9.6471
 X105.6668 Z-9.9799
 X105.3737 Z-10.0000
 X80.9722
-
Parametric gcode
#<xscale> = 1.0
#<yscale> = 1.0
#<zscale> = 1.0
#<fscale> = 10000.0
#<toolno> = 1
#<rpm>    = 1600

N30 G21
N40G90
G64P.1
N50T#<toolno>M6
N60M8
N70S#<rpm>M3
N90G0Z[#<zscale>*10.]
N80G0X[#<xscale>*53.]Y[#<yscale>*-56.128]
N100G1Z[#<zscale>*-25.372]F[#<fscale>*100]
N110G1Z[#<zscale>*-27.372]F[#<fscale>*225]
N120Y[#<yscale>*-56.12]Z[#<zscale>*-27.725]
N130Y[#<yscale>*-56.105]Z[#<zscale>*-27.894]
N140Y[#<yscale>*-56.06]Z[#<zscale>*-28.152]
N150Y[#<yscale>*-56.051]Z[#<zscale>*-28.184]
N160Y[#<yscale>*-55.992]Z[#<zscale>*-28.405]
N170Y[#<yscale>*-55.902]Z[#<zscale>*-28.651]
N180Y[#<yscale>*-55.792]Z[#<zscale>*-28.888]
N190Y[#<yscale>*-55.661]Z[#<zscale>*-29.115]
N200Y[#<yscale>*-55.511]Z[#<zscale>*-29.329]
N210Y[#<yscale>*-55.343]Z[#<zscale>*-29.53]
  • my1987toyota
  • my1987toyota's Avatar
26 Feb 2026 21:31
Just When You Couldn't Hate Government More was created by my1987toyota

Just When You Couldn't Hate Government More

Category: Off Topic and Test Posts

  So I just came across this a few minutes ago. I am so sick of this new police state everyone is being forced into.
and this is just the beginning.
  • Hannes
  • Hannes
26 Feb 2026 21:07
Replied by Hannes on topic XHC WHB04B development?

XHC WHB04B development?

Category: General LinuxCNC Questions

Hmm, mine shows always 0. In Mach3, Mach4 and LinuxCNC.

I'm pretty sure I just have a variant with a different buggy firmware than yours.

However, if you have time to spare, you can comment out the line in my last post, recompile linuxcnc and send me the result. Which version of LinuxCNC are you using?
  • Hakan
  • Hakan
26 Feb 2026 20:30 - 26 Feb 2026 20:31
Replied by Hakan on topic XHC WHB04B development?

XHC WHB04B development?

Category: General LinuxCNC Questions

Short update on that, Hannes. 
While in auto mode and running a program it doesn't show F: nor S:
It does react on Feed+/- and Speed+/- but only on displayed values in the HMI, not the pendant display.
In Man mode it shows F: and S: in the way one expect.
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