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Ultimaker S5 - wiggle on printhead in Y-axis


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Posted · Ultimaker S5 - wiggle on printhead in Y-axis



I recently noticed allot of wiggle in the printhead on the Y-axis. Is this normal?

It looks like the printhead is connected with 4 bolts (see picture). 


I checked the manual to look if there are any specification how tight the bolts need to be in Nm. 

But I couldn't find any reference.





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    Posted · Ultimaker S5 - wiggle on printhead in Y-axis

    So I tightened the 4 bolts a little bit on the printhead. 

    It reduced the play in the printhead allot in the Y-axis direction.  


    This is my first printer so i'm not sure if i made things better or worse.

    Anyone else ever had to tighten these? 


    Guess the worst that could happen is that i screw up the bearings.



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    Posted · Ultimaker S5 - wiggle on printhead in Y-axis


    In practice, the observation that X has less play than Y is normal for this printhead. Because inside, the axle has one bearing less in the Y direction.


    Here is a picture I took during a maintenance / repair of the printer.  A bearing in the middle.



    I also tightened it a little on mine. Theoretically, you can't damage the bearing because it is positively locked in a recess in the cover. Even after tightening, the bearing still has more play than the other one.


    As a constructor, this can make you think. But what I find more important is that it works like this.


    Many greetings



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