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Voron 2.4 belts tension/belter tension tool


SamppaD

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Hi. I adjusted my belts using printed tension tool and was happy with belt tension.
I re-checked belts with borrowed prof.timing belt tool and it was within  specs.  
Now i decided to purchased BTT belter tool so i don't need to borrow tools for this kind of maintenance. 
This is what happened..I noticed issues with the tool and its accuracy. 
When i checked the values for Z belts they indicated belt deflection of -4.8 and -5.01 for AB belts. 
Based on calculation tool provided by  BTT, Z belts deflection needs to be around -7.2 to achieve 21N,that is recomended.
BTT calculator recommended tension for Voron Z belts is 20,4-25,8N  and -5.5 belt deflection for AB belts to achieve 7,48N  recommended values are 7,5-15N. 
Well AB tension can be adjusted but for Z belts max value that can be adjusted is -5.8  that's about 10.8N, on my rig tensioners adjystment is maxed out. 
BTT support responded to me that when tools values are lower =as belts are tighter..well okei but values that are imputed in calculator cant be 
achieved with adjustment and for me 21N on a Z belts seems to be way to much tension? 
So as i have stock gates belts,all belts are the same size and Z belt tensioners are from chaotic labs that makes me thinking that this tool or the way it is displaying values or calculator itself is not correct. I came across same case with belt tension on github. https://github.com/bigtreetech/Belter-belt-tension-Tool/issues/2

Has anyone came across this problem?

 

 

 

Edited by SamppaD
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