Potential lower belt issue - any advice what to check?

Working on my V-core 4 300mm build, CoreXY. I've been working on getting the belts properly set up and tensioned. This is my current graph. They are matching okay but I have that extra peak on the lower belt. Any tips on what to look at?
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5 Replies
Bagellord
BagellordOP5mo ago
Shake and tune comparison
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Bagellord
BagellordOP5mo ago
Okay my Y axis is wayyy messed up. Something isn't right.
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chicken
chicken5mo ago
go into the real time analysis tool and select the B direction as that is the lower belt and scroll the oscilation frequency until you see ~102hz spike. It could be at a 102 oscillation or it could be somewhere else causing that.
MFBS
MFBS3mo ago
Curious, did you get this sorted and if so what was the issue?
Bagellord
BagellordOP3mo ago
I never did find anything super wrong. Printe ris working fine so I think I was just chasing unicorns
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