I have this incredibly loud noise coming from my Y-axis. It doesn’t affect print quality, but it is horrible to listen to and really loud. It is present when the Y-axis moves at ~100mm/s and gets worse/louder as speed increases.
How can I mitigate this? There doesn’t seem to be any mechanical issues when I move the bed by hand, it is smooth and easy to move.
If you can, put your finger on safe to touch spots, to see if you can find where that vibration is coming from. Start with the stepper motor, or even the bed itself. (Be safe, don’t heat the bed). Super Light pressure should be able to feel vibrations, heavier pressure might temporarily make the noise stop, giving you hints at what is actually wrong.
I’ve tried putting a hand on the stepper, it doesn’t really reduce the noise. Its a bit hard to keep a hand on the bed when it’s moving at high speeds though. I’ll see what I can make work.
Pretty sure it’s some sort of motor vibration that hits a resonance frequency in the frame/chassis/bed of the printer.