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Inconsistent layers on UM2+


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Posted · Inconsistent layers on UM2+

Hello, I have an UM2 with the upgrade kit installed. For some time now I can't get a smooth print. I performed some maintenance recently to try and solve this and some other issues.

All X,Y,Z shafts, bearings and belts were replaced. The heater block and PTFE coupler were replaced as well.

Yet, prints keep having inconsistent layers, my best description would be that layers are "sticking out". Is it over extrusion?

I have eliminated inconsistent filament diameter, as I tested multiple rolls of Colorfabb PLA/PHA and a brand new roll of Ultimaker white PLA.

During maintenance I also cleaned the lead screw and nut and applied new grease.

What could cause such issue? I'm really frustrated...
IMG_4730.thumb.jpeg.bc15004150f0df0357041fcfbea1c669.jpegIMG_4727.thumb.jpeg.679b89dfa903f57a64ddc495b0efbaa6.jpeg

IMG_4783.jpeg

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    • 2 weeks later...
    Posted · Inconsistent layers on UM2+

    Hi @elnadav12,

     

    Been away for some times..

     

    Just wonder if your nozzle is just too big or maybe to much worn?

    As you've changed parts in order to any remove mechanical play(?). This lines might move slightly in and out due to worn out -or too big nozzle size. Have a look at this -I'll assuming you're using a standard size 0.4 mm. 

    However, your nozzle tip looks "some" worn to me (see last picture).

     

    Good luck.

     

    Thanks

    Torgeir

     

     

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