V-core 500 IDEX terrible Y axis while X axis is quite OK
The tension graph already shows that the Y axis has problems.
What happened: I had a broken belt on X0 and replaced is. In the process I had to undo all belts and obviously put them back, tensioned them as equally as I could to get the gantry square which works out quite OK on X. The bets are tensioned to 82Hz at 20 cm (or 12 N tension) on both X and Y. I used to have poor X and much better though definitely not perfect Y axis.
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The resonance graphs for Y look terrible as expected. The first peak at ~28 Hz is the expected peak. Just under 50 Hz is the induced peak of the IDEX hybrid corexy which is normal as far as I can tell. The peak at 80 Hz however should not be there.
Moreover the EI recommended acceleration is way higher than ZV and MZV which indicated an issue.
The graphs on X are reasonable though not perfect.
And maybe one piece of info: I upgrade to 5160T PRO and 48V on all 4 x and y motors.
that y axis chart is wild
I found that i had some play in the X carriages which was OK for the X but not Y.