3 Humps on Y Tension Graph IDEX

Cannot for the life of me figure out what is causing the 3 humps on this graph.. I've tried tensions from way too lose to quite tight. Have ensured no pulley are rubbing and tightened all screws on the toolheads etc. Any ideas?
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8 Replies
Fritz
FritzOP2w ago
Here are the y resonances:
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Wetson
Wetson2w ago
Try making sure all bolts are tight and secure on the motor mounts, as well as the carriages and x axis.
Fritz
FritzOP2w ago
will do then will report back
Fritz
FritzOP2w ago
You were right, left side motor mount had some loose screws. Graph looks much better. But the shaper graph is still quite poor
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Wetson
Wetson2w ago
I'd try your range of tension again, do you have a way of measuring tension? I.e a belter tension gauge? Could you post all your tension graphs?
Fritz
FritzOP7d ago
Unfortunately not, I do use spectroid to get a rough idea though. Just re-ran the tension graphs, but this thime I did it cold rather than hot:
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Fritz
FritzOP7d ago
And here are my cold shaper graphs:
Fritz
FritzOP7d ago
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