Measure Corexy Belt Tension

Hi, Is there a video or document on how to get this tension correct.... I must be a bit "slow"... lower belt was loose and slowly increased it and was getting close to upper.... but then when I tighten the lower belt a bit more, the upper belt peak shot up....Don't understand obviously and need a guide. Was also wondering how to get the first belt's right? Is it supposed to be a certain frequency? And then get the second belt to match? On the Voron V0 I basically used a guitar tuner to get 110Hz roughtly on both belts
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4 Replies
blacksmithforlife
you want the belts just tight enough they don't slap the frame. 1e6 seems too tight (I'm in the 1e4 range). You have to remember that as you tighten a bolt you are tightening both belts at the same time. So you need to loosen the "yellow" belt there, not try and tighten the "blue" belt
Raymond
Raymond7mo ago
"1e6 seems too tight (I'm in the 1e4 range)." Never ever notice this value... Dont even know what that is
miklschmidt
miklschmidt7mo ago
This isn't too bad, except for the odd 125hz resonance. That's often caused by one or more loose screws in the motino system. There's much more info on this (and guidance) in #fix-my-resonance
Raymond
Raymond7mo ago
Thanks, have been reading there now.... Late discovery of the "proper area" to have posted this