New RatRig v-core 3.1 high vibration at lower speeds.

Hello guys. I have a problem with newly assembled Ratrig v-core 3.1. After first calibration (flow, e-step) I tried printing regular benchy. It printed OK, but I noticed a lot of ringing on all the surfaces (ringing on corners, a lot of "noise" on straight lines). During printing that benchy tool-head was vibrating making loud noise on certain speeds (~50mm/s). Please look at pic of benchy's hull. I am using Super Slicer with all default settings. However when I increase speed (eg. +100%) all noise stops and printer produced very crisp and nice prints. I even increased speed up to +500% and it was printing very well (some ringing but that's normal at this speeds). RatRig is at work so I will post some more pictures when I get there. Can You point me in the right direction to fix the issue? Thanks guys for ALL the useful information here! BR Lukas EDIT: I noticed some minor play on X linear rail, do you think it could be the problem?
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8 Replies
Pinky
Pinky2y ago
Run shaper graphs (adxl) would show you likewise it is a problem
rotten-yellow
rotten-yellow2y ago
<#998324814509002944>
conscious-sapphire
conscious-sapphire2y ago
Thank You VERY MUCH! I can confirm - after flipping dupont connectors on both steppers and modifying printer.cfg NOISY PROBLEM IS GONE!!! Print quality is normal on all speeds.
rotten-yellow
rotten-yellow2y ago
No problem! Glad it worked
optimistic-gold
optimistic-gold2y ago
What did you mean exactly by flipping connectors and modifying printer.cfg?
rotten-yellow
rotten-yellow2y ago
@florianfeld you need to do both, flip the x/y stepper connectors, and also make sure dir is flipped in your printer.cfg (as you've flipped the connectors)
someaction
someaction2y ago
could u provide a pic of that in ur printer.cfg?
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