My X1 Carbon seems to have gotten much louder. In fact, it sounds like maybe the belts were loose or something else is loose. It was nice and smooth when I first got it but now at high speed it sounds like ■■■■.
Any ideas
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Go through it looking for loose screws. These machines vibrate a lot. They go through significant thermal cycles (hot/cool) each time they’re used (even if you’re not heating the build chamber, it’s not just the extruder, the stepper motors get pretty hot in operation, too). Heat and vibration can cause screws/nuts to back off/loosen up. Sometimes even if they’re Loctited. And I don’t know how much if any Loctite is used in the assembly of these printers (I’d like to think “liberal amounts”, but this makes taking it apart again more difficult/expensive so maybe not).
In aviation, they use “castellated” nuts, with a wire that passes through the bolt, so that the nut can’t turn all the way off even if it loosens up. Because Loctite and lock washers and stop-nuts aren’t as reliable as a steel wire that keeps the nut from spinning.
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Do a thorough checkup and clean the printer; you may find filament debris in unimaginable places. If so, carry out the recommended maintenance and recalibrate it.
If it doesn’t show any error and the noise persists, try to find the sound source or share a video so we can advise.
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Did you solve it? If so, what was the cause?
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Screws, nuts and bolts don’t stay tight if what they’re holding on to can change size/shape (thermal or mechanical stress) or it vibrates a lot. It’s physics. If you don’t want your screws backing out or nuts coming undone, you need to secure them with something else. Tightening along isn’t enough. Just the way it is…
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