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mjoconr wrote:

There is an issue with the ISO for Intel hardware, the package "raspi-firmware" is installed, suggest everyone remove this before running dist-upgrade.

Blame Debian.

We suppress it but if you do an upgrade it comes back. A known bug in Debian 12.1 initial release of bookworm, fixed in 12.2 but not in the Debian builder. Very poor form I think.

@andypugh: I checked the coupler, didn't observe any slipping. I too believe that its unlikely to be some encoder issue.

@PCW: I tested with encoder filter on. Still facing the same issue.

My mechanical setup is,

Servo Motor -> Coupler -> BK15 (Two angular contact ball bearing (Back tot Back configuration) with a shim spacer in between ) -> Ball screw -> Ball nut -> Deep groove ball bearing

I doubt whether the issue is due to the ball bearing. I have an electronics background and am just getting started in the mechanical field.
 

avec plaisir 
comment je peux te contacter?