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  • tommylight
  • tommylight's Avatar
14 Nov 2024 21:49

Strange motion offsets in one direction on one axis

Category: General LinuxCNC Questions

Must be the third time i am looking at this and can not figure out what is going on, and the picture is not helping.
Can you do some more details, like where the mill is cutting and what direction it is traveling, and just to be sure, that there is no undercut as it looks in the picture.
Or am i looking at it from the wrong perspective?
  • tommylight
  • tommylight's Avatar
14 Nov 2024 21:46
Replied by tommylight on topic LinuxCNC on Intel Clear Linux

LinuxCNC on Intel Clear Linux

Category: Installing LinuxCNC

What do Debian 12, Ubuntu 24 and Linux Mint Debian Edition 6 have in common? ... besides being all Debian, they can all have LinuxCNC installed with a single line after an update:
sudo apt install linuxcnc-uspace
So, not a single distro, but a single distro! :)
There is also Gento Linux that NTULINUX maintains and supports, and has also RTAI kernels for it and Debian.
Now, has anyone tried to compile LinuxCNC on CL? Maybe that already works.
I compile on every new version of normal Mint and use the created debs to quickly install on many PC's and laptops i use and test, so that also works.
-
No idea where i was headed with this, had a pizza and 2 coffees and had one of the laptops with me so i was browsing the forum and doing maintenance ... been doing a lot of installs lately as i got 5 laptops (4 used and 1 new), not counting the existing ones... send help ! :)
  • tommylight
  • tommylight's Avatar
14 Nov 2024 21:20

Used Laptops tested with LinuxCNC and Mesa Ethernet boards

Category: Computers and Hardware

Got another Lenovo X240 and X1 Carbon Yoga laptop/tablet, will update when i get to testing them on a machine as they are installed and ready.
  • PCW
  • PCW's Avatar
14 Nov 2024 21:16
Replied by PCW on topic coolant mist pulses

coolant mist pulses

Category: QtPyVCP

Another possibility is to use the siggen to set the rate (0.1 Hz for example)
and drive the oneshot component with the siggen clock pin, then set the on time
with the onseshot width pin.

The oneshot component has a reset input that could be used for enabling
the output with the coolant-on signal
  • Gluca
  • Gluca
14 Nov 2024 21:16
Replied by Gluca on topic Remora rp2040 compile issues.

Remora rp2040 compile issues.

Category: Computers and Hardware

Nothing to do.

After:
> cmake -DPICO_SDK_FETCH_FROM_GIT=on -DCMAKE_BUILD_TYPE=Release ./Remora-RP2040-W5500-main
> make
OR
> cmake -DPICO_SDK_FETCH_FROM_GIT=on -DCMAKE_BUILD_TYPE=Debug ./Remora-RP2040-W5500-main
> make

It always exits with "fatal error".
  • tommylight
  • tommylight's Avatar
14 Nov 2024 21:03
  • Ismacr63
  • Ismacr63
14 Nov 2024 20:59
Replied by Ismacr63 on topic coolant mist pulses

coolant mist pulses

Category: QtPyVCP

I would like to try something like 2 seconds on and 10 seconds off
  • juliankoenig87
  • juliankoenig87
14 Nov 2024 20:53
Replied by juliankoenig87 on topic Suggestion for a PCI EPP card for 7i43

Suggestion for a PCI EPP card for 7i43

Category: General LinuxCNC Questions

Looks like only the 3.3V regulator is damaged.
  • Dougal9887
  • Dougal9887
14 Nov 2024 20:51
Replied by Dougal9887 on topic Error when trying to open Gmoccapy confiuration.

Error when trying to open Gmoccapy confiuration.

Category: Gmoccapy

I have now parenthesized print. in stdglue.py and that error has disappeared from the log.

The python error now showing looks like a similar error regarding exception. I have added parentheses to the except lines but must still have the syntax wrong as the same error persists.

I have attached the error log and the stdglue.py file and would be most grateful for some more help!

 

File Attachment:

File Name: linuxcnc_2...1-14.txt
File Size:8 KB
 
 

File Attachment:

File Name: stdglue_2024-11-14.py
File Size:8 KB
  • tommylight
  • tommylight's Avatar
14 Nov 2024 20:48
Replied by tommylight on topic coolant mist pulses

coolant mist pulses

Category: QtPyVCP

Using SigGen would probably work fine, but i have yet to use it, but do have a look here:
linuxcnc.org/docs/2.9/html/man/man9/siggen.9.html
it will do the same time on and off, so might not be exactly what you want, ex. at 0.5Hz it will do 1sec on and 1sec off.
There are other ways also, so we need to know if you do need separate times for on and off.
  • Ismacr63
  • Ismacr63
14 Nov 2024 20:26
coolant mist pulses was created by Ismacr63

coolant mist pulses

Category: QtPyVCP

I just started the mist coolant system today and it works great.
I've been looking around the forum for the possibility of having the coolant turn on and off every X seconds.
The information I've found is pretty confusing for me.... I'd really appreciate your help once again.
I hope I'm not too annoying asking about every thing I come across. 
  • PCW
  • PCW's Avatar
14 Nov 2024 20:01

Novakon Mill Conversion - Getting Started

Category: CNC Machines

Did you set the step times to 5000?
 
  • hmearns
  • hmearns
14 Nov 2024 19:56
Replied by hmearns on topic Novakon Mill Conversion - Getting Started

Novakon Mill Conversion - Getting Started

Category: CNC Machines

The drives are there and should be working.

I had this whole mill making chips well for a few years with a parallel port and 2.7 i think. A power surge took out the VFD for the spindle. There was some glitch with linux that the screensaver wouldn't wake up so you'd have to reboot. I had that one bypassed, but it resurfaced and I couldn't remember how to fix it. I made a bad vfd buy on ebay and later a couple of stepper drives went bad at some point. Then it sat for a while. I'm trying to get it running again now.

It has some new to me used gecko 201's on all 3 axes. Its got an offbrand new vfd that works in manual mode at least on the spindle. and a new (used) PC with 2.9 on it.

I checked for movement on all three connected axes. Seems to have different holding torque on different axes but no movement whatsoever.
  • PCW
  • PCW's Avatar
14 Nov 2024 19:43

solved: TB6 Inputs missing in MESA 7i95T

Category: Driver Boards

The 7I95 isolated inputs are "inmux" pins

When LinuxCNC is running:

halcmd show pin *inmux*




 
  • PCW
  • PCW's Avatar
14 Nov 2024 19:39

Fanuc Serial Pulse Coders - Red cap servos, mesa 7i76e, how to?

Category: Driver Boards

Actually its easier to test this on a 7I97/7I97T

Do you have a 7I97 or 7I97T? 
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