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gfk

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Posts posted by gfk

  1. A little update: I have try a LOT of things now. All from replacing the teflon coupler, to leveling the bed and so on. I also did the speed/temp test as @nektko suggested. Here I forund that the bed was a little off in the left side, and I did some minor adjustments while printing. THIS did the trick of getting the "pure print quality" (the first 2 pictures) to disappear. Now I only need to get the nozzle "drags" to go a way.. any ideas??   

  2. 58 minutes ago, neotko said:

    If you change a parameter (light layer height) you need to compensate the temperature to compensate the extra mm3/s

     

    The higher the layer, the more material extruded each second, so the hotend needs higher temperature to keep the pace. Try 5-10C more

    I print PLA at 225c and normally 0.2mm layer height. Is that hot enough? or too hot?

  3. 1 hour ago, geert_2 said:

    These too thin horizontal areas are underextrusion. This basically means that the printer can not deliver enough filament, for whatever reason: too much friction in the feeding traject, (partially) blocked nozzle, dirty feeder, filament windings under other windings on spool, worn-out teflon coupler, non-working little cooling fan for nozzle, nozzle too cold, flow too high, worn-out or incorrectly installed bowden tube,...

     

    There is a video and extensive list of possible causes somewhere on this forum, but I don't know exactly where. Maybe you can find it?

     

    The vertical lines, is that infill shining through? Or is that part of the design? Looks like they too shouldn't be there? But that must have a different reason.

     


    I just changed the teflon coupler (today) but still too thin horizontal areas. The bowden tube is also new. 
    The infill that shining through is NOT part of the design, is there a way to fix this?

  4. Hi, My UM2+ is producing some pure print quality. I'm using CURA (latest version) layer height 0.3 and default settings. It seems that the layers in the bottom part are not "fused" correct. This can also happen later on higher prints. Also on the first layers, when changing positions the nossel "drags" filament, coursing some unwanted results on the bottom layers. Pleas see the images for details. I'm using original Ultimaker filament. The bed is level and a new feeder has just been installed.
    ANY help is greatly appreciated. Thanks!

    IMG_2488.png

    IMG_2489.png

    IMG_2490 2.png

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