[SOLVED] Backlash issues on Y-AXIS

Ok if its an os image you require I may just be able to help.

Thanks for all info so far.
I decided to change the Y-axis also with a M4-(screw) spindle drive (not M3 as I said before), as I did on the X-axis.
Had the (almost) same stepper-motor around, although after testing it needed 2 times more Volt to be powerful enough.
Now it all looks much better!
The old gear setup was too much worn out, I believe. And 2 (plastic) gears before driving the arm had 1.3 mm backlash is also kinda 'too much'.

PS. I thought I tried the write action at last position in the .hal file (base-thread), but was forgotten to change the .ini file accordingly.
It does run fine now and I am not (willing) able to build back the old situation to test this again, sorry for that.

And yes, I will cleanup my configuration files after this change, the X- and Y-axis are now the same.

Regards, DG.
 

unknown,

Do you have a Debian Trixie version with RT-PREEMPT kernel for a RaspberryPi 3B+?
It is everywhere written that Trixie already is ' real-time', but I faced a lot of issues when trying to run LinuxCNC on Trixie. Especially on a RaspberryPi 3B+.

Regards, DGdodo

When the tech bros talk about realtime they aren't referring to the PREEMPT RT kernel that Linuxcnc requires. That requires setting a couple of extra options in the kernel config. I understand that it can appear confusing.
Whilst I haven't built a 3b distro, I only have access to a 4 and 5 there just might be a chance that the experimental image I've been working may work. When I say work I mean it may boot, as for latency, you may need to add isolcpus 2,3 to command line text. Even then I can't guarantee that latency will be suitable.
The thread I started regarding the experimental image has a link to the image.

That is NOT the image I'm referring to.
In fact I would be grateful if you would not host any of the images I create. I do not trust the security of you server.
Please remove NOW.

It's more constructive trying to converse with an inanimate object than you Master Langdon's.