How turn off servo loop for one axis?

I have uploaded all my files to the forum. Maybe this will help. It's just that I don't even know how to implement switching between the axis and the spindle. Tell me where to start. Thank you.

Maybe I didn't express myself correctly. I have 5 axes and a spindle. Can I configure the system so that I have 2 spindles at the same time? Will one of them switch to M19 mode or switch to axis mode? Can someone tell me how to implement this correctly?

You've expressed yourself clearly, no worries there.

What your're contemplating is possible, but a bit complicated.  The lack of responses likely isn't due to disinterest or miscommunication - it's that there aren't a ton of people who frequent the forum with an identical situation who can just post a working example for you to copy-paste.  And remember that LCNC community is a group of people with no obligation to get involved with anyone else - other than what interests them.

On the bright side, there are some very helpful, shockingly bright people that frequent this forum.  You aren't completely up the creek.

I don't have a known-working config to give you, although the lathe I'm working on will have a very similar feature (axis + spindle) when finished.

Rather than posting your files, I think the most productive thing is for you to research similar configurations posted on the forum.  That's not the answer you likely want, but it'll help in the long run as you start to digest the logic.

Here's a series of posts where Andy Pugh helped a nice gent get his lathe working as a C-axis as well as a normal spindle.  He was kind enough to post his entire config recently when I pestered him for it.
forum.linuxcnc.org/10-advanced-configura...stop-command?start=0

Here's some links to more recent discussions regarding spindle-as-axis

forum.linuxcnc.org/10-advanced-configura...is-from-inside-gcode

forum.linuxcnc.org/10-advanced-configura...-challenges?start=10

Download any attached config files you find, have a bit of a read, and when something doesn't make sense, post back here and I or someone can try to help you get some context.
 

... and maybe this should not be here in 'Forum Questions'. I mean isn't this place for questions about the forum itself???

IMHO a better place would be in 'Advanced Configuration'. Maybe a mod could move it there

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JPL wrote:

IMHO a better place would be in 'Advanced Configuration'. Maybe a mod could move it there

Done, thank you.

I really appreciate the forum's help. The forum and the lcnc developers have been very helpful in getting this rather complex machine working again. Forum participants helped from reflashing the mesa boards to the full functionality of the machine no worse than a siemens or fanuc CNC. And these systems cost a lot, like a spaceship.
Also I started to understand the structure of lcnc. Therefore, when I myself solved the problem for which I asked, I tried to describe how I solved it. So someone else who faces the same problem will read the forum and maybe it will help him.
The language barrier is a bit of a hindrance, I'm from Ukraine, and I often use a translator. That is why I questioned whether I expressed myself correctly. Thank you.