If you are experiencing the bed bouncing during feed moves, you are over extruding.
Not per se. Like @jkirgis says: It is always when doing waffle fills on empty spaces. I suspect the plastic tends to sag a bit at the crossings and starts to form a point upward, which after a while causes the bouncing.
Anyway, if that really is the Z bouncing up and down then I'm afraid I cannot help you.
I do agree on the bed being attached at 2 ends... And auto calibration etc
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lars86 42
If you are experiencing the bed bouncing during feed moves, you are over extruding.
This bouncing motion in my video is purely a result of Z layer change motion.
I do think it is possible to have a bed supported at both ends and achieve a high level of quality. It's a bit more complicated than its worth though, I think.
Simply stiffening the platform is pretty easy.
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