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So to get back on the subject of Flex GUI it is the only GUI that is very flexible and requires no programming to create the exact GUI "you" want without knowing anything about programming. If you just have one axis that's not a problem, Flex GUI can be as simple or as complex as you want. No other GUI is easy to change the look and feel and function for a non programmer.

JT

There should be halui pins to do want you want to do. The halui docs say " halui is used to build a User Interface using hardware knobs and switches."
But over time I have found some guis use these pins which stops you from using them. guis don't have hardware knobs and switches so they should respect the boundaries of the original LinuxCNC design intent. I don't know if your GUI is using these pins or not.

I was looking into this as well. I have a 7i73 board to use in the control panel, and google AI was pretty helpful in getting me pointed in the right direction. I have not completed the project though.

by the way, i was looking at using encoders rather than pots. because there could be a disconnect between the pot position and what QTdragon is expecting it to be when the machine restarts.

Is the noise on the analog wiring side or the encoder side?
Are the original analog cables in use? If yes, those will have an analog ground and a general machine ground, should not be wired together, although i had a single case when it was a must.

BSAT wrote:

It doesnt change with feeds or speed changes or end mill changes. Its always there.

Does the rastering change with those changes?
Might want to try with a single or dual flute on some aluminium with the same high spindle speed and different feed rates to see if the distance changes, in general, if it does change would point to servo/tuning issues, if it does not would mean mechanical issue.
Would be nice to also do same feed rate, but vary the spindle speed.
Thinking of it, at what spindle speed are you cutting and what mill? I might have missed that.

Henk72 wrote:

@ the forum moderator: feel free to remove my question above.

Leaving it for now, we can decide later if it would be better to leave or delete.
Thank you.

Dear forum,

I found more information related to what I am trying to do on section 2.8 of  www.linuxcnc.org/docs/html/gui/qtvcp.html#cha:qtvcp  . I will first try to go through these sections and see how far I can come...

@ the forum moderator: feel free to remove my question above.

Dear forum members,

I am progressing well with the conversion of my 1980 MAHO MH300 to a linuxCNC based machine. I made a replacement console consisting of a high res screen (not a touch-screen) and keyboard + Estop etc. console (see attached image). I copied the layout of the console, including two potentiometers from a DMG machine. On the DMG these are intended for rapid traversal override and feed override. I am now trying to make QTDragon_HD to run and read that this GUI was not intended for keyboard use.... However, I do like the way the QTDragon gui screen is build up and would like to try to adapt it in such a manner that I can set these overrides with the potentiometers. Similar to the Estop I would like to go for an implementation where the console hardware (physical estop button and physical potentiometers) set the hal signals and that the QTDragon_HD GUI only displays (follows) the setting set by the button and potentiometers. For the Estop I think I made this work, but from what I have read thus far I think the QTDragon_HD does not allow these override sliders to be set by another HAL output. Is this indeed the case? I am still quite inexperienced in LinuxCNC, HAL and Qtvcp, maybe I overlooked something. Any help or suggestion is welcome! 

I have reached out & got the updated servo files. But they said it will only help with i templates moves. If im seeing thisnproblem in a straight line then there is a mechanical issues.

I have reached out to clear path & the point me to tormach.

I have set it up per their instruction, its there. I set it up tighter or looser, its there, ive replace contact bearings on the axis, its there.

I autotuned the servos, helped maybe a little. But still there.

At this point I gotta think its a limitation/configuration of the servos that I dont readily have access too. By accident as much as I have messed with, it should have made a difference one way or the other. But it seems to be the same no matter what.

I don't have a repository, but I can send the files.
Actually, it's just two modified files: `primitives.py` and `qt_vismach.py`.

Its not gcode related. Im using the conversational and moving in straight lines. But, it doesnt matter if its a straight line because I also see it in interpolated moves. It doesnt change with feeds or speed changes or end mill changes. Its always there.

It's work very well thanks a lot
Best regards

As for guis there is good and bad on both sides of having code in and out of the main project.
Linuxcnc is lucky, it has both options.

Very nice idea, thank you.

I have had occasions at events like EMF Camp and Maker Central that I have wished that I had a USB drive with LinuxCNC on it to hand out, like a sort of business-card for the project. It would lower the barrier for entry, and also serve as a reminder of the conversation when they got home. 

However, I don't want to spend my own money on this. So the plan I hatched was to sell a decently-sized version of the USB key at a slight premium, each of which funds a smaller, cheaper giveaway version. 

So this is what I have done. £25 gets you a 128GB LinuxCNC stick with both USB-A and USB-C plugs, and also buys an 8GB one with LinuxCNC on it, for a stranger who is not yet aware of the joys of LinuxCNC. 

www.ebay.co.uk/itm/117429761717