How to address Z binding?

I find lots of posts mentioning z binding. But I'm not finding much on how to address the binding. RIght now the z movement is louder than when I first got the machine up and running. I want to see if I can get the problem fixed.
My machine is a VCore 500 3.0. I'll be doing the 3.1 upgrade as soon as my PrusaBear is finished. Rule number one: Always keep at least one printer functional. 😛 Is there any guide for chasing z binding? Thanks
3 Replies
Mr_Phelps_VCore_4.0_500
Loosened the rails - no apparent improvement Loosened delrin bearing - slight sound improvement Loosened the rail bearing - much improved, but still some growling around +250mm I do see some shaft whip during movement as the bed gets lower in the chamber I'm going to run as is until I can get the 3.1 upgrades going
miklschmidt
miklschmidt•2y ago
much improved, but still some growling around +250mm
This is due to resonance in the nut. 3.1 fixes this.
Mr_Phelps_VCore_4.0_500
Thanks! Have the parts already. Just need to get the other printer upgraded and printing again before I can take this one apart. 😄
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