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  • poesel
  • poesel
05 Jun 2025 20:00
Replied by poesel on topic Position: relative expected

Position: relative expected

Category: General LinuxCNC Questions

Sorry for the late reply.

Well, I should have respected the wisdom of the ancients: 'have you tried turning it off and on again?'.

I tried the MDI command and it worked. Then I reloaded the program and it worked, too. Nothing changed, just a reboot between the tries.

Thanks for your support!
  • Waggi
  • Waggi
05 Jun 2025 19:58

Vorschau Berechnung der Grenzwerte passt nicht wenn M6 enthalten

Category: Deutsch

Hallo,
in dem Vorschaufenster werden ja die Grenzwerte des G-Codes angezeigt. Das passt auch. Habe ich aber einen Werkzeugwechsel (M6) im G-Code passen die berechneten Grenzwerte überhaupt nicht mehr. (Über- oder Unterscheitung der Z-Grenzwerte) Ich verwende eine dynamische Werkzeugvermessung, ich meine das nennt man so. 
Alle Werkzeuge haben einen Längenverstatz von 0 in der Werkzeugtabelle. Da ich den Längenversatz vom ersten Werkzeug  zum zweiten erst weiß wenn ich das Werkzeug eingespannt und vermessen habe, sollte für die Berechnung der Grenzwerte und alles was in der M6 Routine steht nicht bewertet werden.
Ich meine was ich was gefunden hatte beim googeln, das man beim Aufruf von M6 mit einem Parameter unterbinden kann das der Inhalt von M6 nicht mit verwendet wird bei der Berechnung. Habe aber nie gefunden wie der Parameter heist und wo der eingetragen werden muss. Also hinter dem M6 oder ob das eine globale Einstellung z. B. in der ini ist.
Kurz zusammengefasst: Wie verhindere ich das der Aufruf von M6 die Grenzwertberechnung beeinflusst?
  • PCW
  • PCW's Avatar
05 Jun 2025 19:57
Replied by PCW on topic Mesa 7i97T & LinuxCNC setup struggles

Mesa 7i97T & LinuxCNC setup struggles

Category: Installing LinuxCNC

Without Tachometer feedback, the drives are running in torque mode.

There are a couple of options for controlling this:

1. Run as is with different tuning. For single loop torque control tuning is basically:

   A. Increase D term as far as possible until you get buzzing/hf oscillation
   B. Then increase the P term until you get instability and then back off to about 50% of that P value
   C. Increase the I term until you get instability and again back off on the I term about 50%

2. Use a spare analog output channel to simulate a tachometer so the drive itself can run in velocity mode

3. Use a dual PID loop control in LinuxCNC (inner velocity PID loop and outer position PID loop)
  • BlownCorona
  • BlownCorona
05 Jun 2025 19:37
Replied by BlownCorona on topic Mesa 7i97T & LinuxCNC setup struggles

Mesa 7i97T & LinuxCNC setup struggles

Category: Installing LinuxCNC

There are three hall sensor wires, which have been pre wired as i got the servos and drives as a set. i dont think this is the same as a tachometer?
There is also a 2000PPR encoder which is wired into the Mesa card
  • juliankoenig87
  • juliankoenig87
05 Jun 2025 18:32
Replied by juliankoenig87 on topic HSMworks Alternative?

HSMworks Alternative?

Category: CAD CAM

I bought e-cam or simplexcam (both the same with other names) a while ago. Now I have a lifetime licence with no subscription trash.
  • Hakan
  • Hakan
05 Jun 2025 18:15
Replied by Hakan on topic Ohmic sensing with IPTM-60

Ohmic sensing with IPTM-60

Category: Show Your Stuff

Unfortunately this goes back to work-in-progress state.
The normal arc voltage reader didn't give a reliable output during ohmic sensing.
I'll put in another voltage sensor, right over the 24V-ish supply to the torch and ground.
  • Aciera
  • Aciera's Avatar
05 Jun 2025 18:11
Replied by Aciera on topic Ein Neuling sucht Hilfe

Ein Neuling sucht Hilfe

Category: Deutsch

Klar, musst du nur an einem Digitaleingang an der 7i96 anschliessen.
  • Kieran
  • Kieran
05 Jun 2025 18:09

GSK 980 MDI milling machine, I want to make my first program

Category: Milling Machines

Heres a quick code thrown together out of Fusion drilling and countersinking a hole. Do some research on G code and how to setup your tool offsets and work offsets. hopefully it gives an idea of the G code structure for you.
%
(1001)
(T1 D=6.35 CR=0. TAPER=118DEG - ZMIN=-14.608 - DRILL)
(T2 D=12.7 CR=0. TAPER=90DEG - ZMIN=-3.4 - COUNTERSINK)
G90 G94 G17 G91.1
G21
G53 G0 Z0.
(DRILL1)
T1 M6
T2
S5000 M3
G17 G90 G94
G54
M8
G0 X80. Y-0.005
G43 Z111.6 H1
G0 Z101.6
G98 G83 X80. Y-0.005 Z-14.608 R5. Q1.587 F1000.
G80
G0 Z111.6
M5
G53 G0 Z0.
(DRILL1 3)
M9
M1
T2 M6
T1
S5000 M3
G17 G90 G94
G54
M8
G0 X80. Y-0.005
G43 Z111.6 H2
G0 Z101.6
G81 X80. Y-0.005 Z-3.4 R5. F333.33
G80
G0 Z111.6
M5
M9
G53 G0 Z0.
M30
%
  • Kieran
  • Kieran
05 Jun 2025 17:56
Replied by Kieran on topic HSMworks Alternative?

HSMworks Alternative?

Category: CAD CAM

Yeah Autodesk sucks. I have 5+ years of programmed parts and custom posts at work. Now they are killing the software. I have fusion so at least I can use my custom posts if needed. they better figure out the ITAR crap for fusion before they totally kill my HSMworks..
  • MRTtechnology
  • MRTtechnology's Avatar
05 Jun 2025 17:24 - 05 Jun 2025 17:25
Replied by MRTtechnology on topic 7i97T+7i74+7i84+7i73

7i97T+7i74+7i84+7i73

Category: Driver Boards

Hello everyone
After doing some research, I managed to understand how communication works, and at the moment I have everything communicating as I want it to.
Now my question is why the Spindle tab is not active in the CT table. Is there a bug or am I just an amateur?
thanks
  • NT4Boy
  • NT4Boy
05 Jun 2025 16:54
Replied by NT4Boy on topic HURCO KMB-1 Control Update

HURCO KMB-1 Control Update

Category: Milling Machines

Hello, This is likely the wrong spot to ask this question, but as its one of the first things I've machined using linuxcnc on the machine...

The profile I've machined is essentially circular and should be symmetrical, and the bore clocks in at X0,Y0.
issuing a G0 X0, Y0 gets me back over the bore and it repeatably clocks in.
The finished machined part has a Y offset of 0.2mm.
This may be a programming issue, but I have noticed a random Y -28.11 offset in the tool table for the tool used.
If that entry was doing what I thought it should, then the mis-machining would have been 28.11 and not 0.2. However, could this entry have caused the issue?
On a three axis mill, is there a purpose for the X and Y offsets in the table?
Thanks
  • hans48
  • hans48
05 Jun 2025 16:46
Replied by hans48 on topic Ein Neuling sucht Hilfe

Ein Neuling sucht Hilfe

Category: Deutsch

Hallo liebe Gemeinde
Der Nörgler ist wieder mit einen Problem da. Ich möchte den Werkzeug Längen Tester Innstallieren. Habe mir das Video von Talla83 angeschaut, dieser hat aber eine andere Mesa Karte gehabt. Kann man das auch für die Mesa 7i96s nehmen? das nächste wird noch da Handrad aber das muss ich erst besorgen (möchte es Kabellos machen daher ein China Produkt). Habe Peter (Talla83) angeschrieben aber keine Antwort bekommen.
Gruß und nochmal ein Danke für eure Hilfe.
Hans
  • PCW
  • PCW's Avatar
05 Jun 2025 16:05

MESA 7i92TH to power an OmioCNC 3040 LPT system ; which firmware ?

Category: Driver Boards

This Benezan config looks correct:

 

File Attachment:

File Name: 7i92t_benezanx2d.zip
File Size:235 KB


Benezan breakouts have step/dir swapped but this version has
the ability to swap the default step/dir pins with a hal parameter
  • SwitchWitch
  • SwitchWitch
05 Jun 2025 15:49 - 05 Jun 2025 17:29
Replied by SwitchWitch on topic xml and hal - I am lost

xml and hal - I am lost

Category: EtherCAT

Yes - I hit power and lcnc thinks it is moving. The servo stays in PreOp. 
My mistake - the changed files were not copied into the folders. 
Now I have success - I have errors 
twopass:pass0: loadusr -W lcec_conf ethercat-conf.xml

twopass: load_the_modules cmd=<orig_loadrt motmod servo_period_nsec=1000000 num_joints=3 base_period_nsec=100000 servo_period_nsec=1000000 num_joints=3 unlock_joints_mask=16 num_dio=6 num_aio=3>
waitpid failed /usr/bin/rtapi_app motmod
/usr/bin/rtapi_app exited without becoming ready
insmod for motmod failed, returned -1


twopass: load_the_modules cmd=<orig_loadrt lcec>
waitpid failed /usr/bin/rtapi_app lcec
/usr/bin/rtapi_app exited without becoming ready
insmod for lcec failed, returned -1

Shutting down and cleaning up LinuxCNC...
Removing HAL_LIB, RTAPI, and Real Time OS modules
Removing NML shared memory segments

Debug file information:
Note: Using POSIX realtime
cia402_homecomp: dlopen: /usr/lib/linuxcnc/modules/cia402_homecomp.so: cannot open shared object file: No such file or directory
<commandline>:0: waitpid failed /usr/bin/rtapi_app cia402_homecomp
<commandline>:0: /usr/bin/rtapi_app exited without becoming ready
<commandline>:0: insmod for cia402_homecomp failed, returned -1
motmod: dlopen: /usr/lib/linuxcnc/modules/motmod.so: undefined symbol: update_joint_homing_params
LinuxCNC Ethercat crashed with signal 11
-- STACK TRACE START
0    /usr/lib/linuxcnc/modules/lcec.so(+0xfc8c) [0x7feb9d9b0c8c]
1    /lib/x86_64-linux-gnu/libc.so.6(+0x3c050) [0x7feb9e68a050]
2    /lib/x86_64-linux-gnu/libethercat.so.1(ecrt_slave_config_pdos+0x2f) [0x7feb9d97452f]
3    /usr/lib/linuxcnc/modules/lcec.so(rtapi_app_main+0x40a) [0x7feb9d9b1f38]
4    /usr/bin/rtapi_app(+0x10cd7) [0x55e898f48cd7]
5    /usr/bin/rtapi_app(+0x1162e) [0x55e898f4962e]
6    /usr/bin/rtapi_app(+0x11c2c) [0x55e898f49c2c]
7    /usr/bin/rtapi_app(+0xc974) [0x55e898f44974]
8    /usr/bin/rtapi_app(main+0x70f) [0x55e898f4444f]
9    /lib/x86_64-linux-gnu/libc.so.6(+0x2724a) [0x7feb9e67524a]
10    /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85) [0x7feb9e675305]
11    /usr/bin/rtapi_app(_start+0x21) [0x55e898f44861]
-- STACK TRACE END
Waiting for component 'cia402' to become ready........Waited 3 seconds for master.  giving up.
Note: Using POSIX realtime

6457
Stopping realtime threads
Unloading hal components
Note: Using POSIX realtime
lcec: not loaded
<commandline>:0: exit value: 255
<commandline>:0: rmmod failed, returned -1
Note: Using POSIX realtime
trivkins: not loaded
<commandline>:0: exit value: 255
<commandline>:0: rmmod failed, returned -1
Note: Using POSIX realtime
tpmod: not loaded
<commandline>:0: exit value: 255
<commandline>:0: rmmod failed, returned -1
<commandline>:0: unloadrt failed
Note: Using POSIX realtime

Mmmhh - in my understanding just the cia402_homecomp.so is missing - could this be right?
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