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Weird lines/ sections on surface


Len1

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Posted · Weird lines/ sections on surface

Hello everybody and thank you for reading this in advance.

We've been printing for almost two years with our 2 Ultimakers S5's.

 

Mostly we print the same parts. The designs slightly changed over time but they always printed just fine.

Lately I've been having a problem with weird lines / sections. I can't get them out of the prints anymore and I've been searching a lot for the solution.

 

If someone can put me in the right direction I'd really appreciate it. The lines aren't visible at all in Cura. 

Please tell me if I have to provide more info.

 

Len

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Knipsel.PNG

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    Posted · Weird lines/ sections on surface

    To me this looks like intermittent underextrusion, most likely? So, check the whole path from spool to nozzle: no partial clogs, no worn-out or dirty feeder wheels or other parts? No stuck filament on the spool (can happen if you have a spool where filament loops under each other), no kinks or bends in the filament which cause huge extra friction (can happen in a poorly wound spool, or a rewound one), etc...?

     

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    Posted · Weird lines/ sections on surface
    On 10/20/2022 at 5:32 PM, geert_2 said:

    To me this looks like intermittent underextrusion, most likely? So, check the whole path from spool to nozzle: no partial clogs, no worn-out or dirty feeder wheels or other parts? No stuck filament on the spool (can happen if you have a spool where filament loops under each other), no kinks or bends in the filament which cause huge extra friction (can happen in a poorly wound spool, or a rewound one), etc...?

     

    Thanks for the tips so far. Wouldn't it be something in the design if both printers keep printing the same lines? I already tried a full maintenance but don't see any changes.

     

    Other parts print very clean.

     

    Thanks,

    Len

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    Posted (edited) · Weird lines/ sections on surface

    I didn't want to take over your thread, but I'm seeing similar issues (more prominent) on a Ulti 2+ Ext. What material are you printing with? Nozzle diameter?

    Here's the thread I created.

     

    Edited by ianrossg
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