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Gantry resonant mode and VFA artifacts  

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jan.d.slay
(@jan-d-slay)
Reputable Member
RE:

The Printables headline talks about "Replacing the linear bearings on the MK4S", which I found a bit confusing. Is that meant to refer back to an already proven solution in the MK4S? Still it might be better to mention the Core One explicitly right up there.

Hello, Jürgen. Thank you for pointing that out! I have corrected it—my hand was quicker than my brain could check it. 🙂

Interesting! I might (attempt to) print these out of POM. If that doesn't work, I also have a roll of Igus i150 I haven't found a use for yet. 

That would be very interesting for a comparison.

Would PC or nylon also work in this case?

This post was modified 1 hour ago by jan.d.slay

Quick start printing for Prusa XL and Prusa Core One
Comfortable display working height on the Prusa Core One
Reducing metallic resonance noises on the Prusa Core One

Posted : 15/02/2026 4:49 pm
Huggypanda
(@huggypanda)
Active Member
Topic starter answered:
RE: Gantry resonant mode and VFA artifacts

Awesome!  What is that bearing material, delrin?

Posted by: @jan-d-slay

Hello everyone.

I have now read various topics in the forum and on the Internet and have installed a plain bearing in the Y-axis.

I personally find the result impressive.

https://www.printables.com/model/1602328-prusa-core-one-resonance-noise-eliminated-with-sli

Now I'm going to take a VFA test.

 

Posted : 15/02/2026 5:21 pm
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