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Sporadic layer shifting


Smithy
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Posted · Sporadic layer shifting

Hi

I can see from time to time a single or sometimes a second layer shift on my objects. The rest of the print is quite fine without any problems and look pretty good. The layer shift is not only in Y axis, it is also "feelable" in the X axis, but not so present than in Y.

 

Here is picture what I mean:

B31DAD0A-BAE4-4D69-9179-CBD393C1A648.thumb.jpeg.10cf3d3f7033d593b29f6b382b44a789.jpeg

 

There is a second shift in the upper, but it is only noticeable on the picture now, I haven't seen it before.

37F64172-C19C-4A29-AE47-9B66D6E8B0BD.thumb.jpeg.96baa92f974fa90d44d54297911a1152.jpeg

 

I checked the belts and they are fine in my opinion. I think if there is something mechanical wrong, than I would have this issue more often.

 

Can it be a problem of the slicer (Cura)? I can check it in layer view, but haven't done it yet, but I am not sure if I would see such a small shift.

 

What else could cause this shift, any ideas?

 

Thanks a lot!

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    Posted · Sporadic layer shifting

    Thanks, I will check it in the evening, I only checked the belts so far.

     

    But I have checked the layer view in Cura now and found something interesting. Not sure if it is really a failure in slicing or only an artifact when looking on the model, but there are also these shifts:

    2043604110_Bildschirmfoto2018-09-05um13_21_00.thumb.png.bef3a14f67f568d9b4abf8dee84bdd02.png

     

    But they are only noticeable when looking from a specific angle in Cura and also only when zoomed in high enough. So probable just a display issue in Cura and not in the GCode, but how knows.

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    Posted · Sporadic layer shifting

    This was a iPad stand from Thingiverse, I will do some tests this evening with a simple object from Fusion 360, then I will see whats going on.

     

    From time to time, I have this misalignments on single layers, but haven't checked it deeply. Most of the misalignments are always in the layer where also some other things happens, i.e. begin of a round corner, the end of another wall, ..... So maybe this is really a slicing issue and not a hardware issue.

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    Posted · Sporadic layer shifting

    It always does it to some extent when things change on the model then that can happen as a result of thermal cooling, but cura should not cut it like that.

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    Posted · Sporadic layer shifting

    Hallo 3D Freunde

    jetzt ist es auch bei mir passiert:

    Plötzlich gibt es auch bei mir Versatz siehe Bilder:

    Braunes Objekt: Brim ist wo anders als das Objekt !

    Schwarzes Objekt:  zweimal plötzlicher großer Versatz!

    Ich bin noch am suchen, passiert jedoch nicht regelmäßig!

    Vielleicht hat jemand noch eine Idee?

    fritzi

     

    20201104_183508.jpg

    20201114_Ultim1.jpg

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    Posted · Sporadic layer shifting

    Anytime I had layer shifting I cleaned and added lube to the rods and it sorted it. You may also want to make sure there is no slack in the belts either. But cleaning has worked for me for years. Luckily I've never had to do any other kind of maintenance. But i'd start at the easiest option. Its usually larger stuff this occurs on most but I guess it can effect anything.

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    Posted · Sporadic layer shifting

    Vielen Dank, ich werde es beachten!

    Zum Glück passiert es (bisher) sehr selten!

    Alles Gute

    fritzi

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