Worse prints and more noise after accelerometer calibration?
 
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Worse prints and more noise after accelerometer calibration?  

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Andersson
(@andersson)
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Worse prints and more noise after accelerometer calibration?

Okay I can't say for sure that the prints are worse as I think this is the only part where it's been noticeable, but it's making more noise now I'm certain.
I didn't really have any issues with my kit-built Core One previously. The only thing would be that when printing during the night, there were some vibrations that annoyed me too much to fall asleep in another room even when it ran on stealth mode. I later found that it was the non-print travel at 350mm/s that created those noises, so I decreased that to like 120-150 when I knew that I would print at night.

Anyway I had read that the accelerometer and the calibrations could make it even more quiet and perhaps make the prints even better.

I received the accelerometer and the lubrication set for the linear rail, put in a little grease into the carriage. Then I made sure the belts were tightened correctly and installed the accelerometer and ran the input shaper and phase stepping.

After this I printed a benchy and it felt almost like the printer was a little quieter, couldn't say that print quality changed at all when comparing though.

after a few days I was printing some other stuff and certain motion was really loud every now and then, also these circular parts came out with wavy outer walls that I can even feel by hand. I compared to another object from a few months ago in the same white PLA that had larger round corners and they looked great, nothing like this.

What to do think could cause this and do you have any suggestions what to do first? I was thinking I'd check the belts again, maybe clean and lubricate the Y rods, run the calibrations again with the accelerometer. I just wanted to hear if you've heard these noises before and knew what to look for.

Here are a few pictures of how these new prints came out:

 

And here's a video of the loud noises that I have never heard before, the only change I've done recently is running the calibrations with the accelerometer.

Thank you in advance!

Posted : 23/02/2026 7:37 pm
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