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yzorg

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Posts posted by yzorg

    UMS5 repeatedly telling the filament stopped.. TPU

    in UltiMaker 3D printers

    Posted · Edited by yzorg
    more info

    i am having trouble printing material Black Polyflex TPU (raw its matte black, glossy when printed)

    standard tpu profile in cura and 0.8 nozzle was used.

    printing works totally fine, but the printer keeps complaining about the filament sensor sensing that material isnt moving (even though it actually moves..)
    then my UMS5 pauses the print and a very loong oooze forms .. if not removed ruining the print.

    i have to remove that ooze and unpause every 5-10 mins and the print get ugly during that anyway..   very annoying. 

     

    does anyone know a fix for this?

    Disassemble Printcore?

    in UltiMaker 3D printers

    Posted · Edited by yzorg

    1 hour ago, DirgDiggler said:

    Here is a post. Its in german but it has a few pictures and a YouTube Video inside.

     

    Edit:https://community.ultimaker.com/topic/33097-anbieter-ersatzd%C3%BCsen-ultimaker-s3/#comment-268825

    danke. das hab ich gesucht...
    nach langem suchen hab ichs nun selbst versucht, da die düse eh nicht zu retten war.

    durch starkes erhitzen konnte ich die teile von der verstopfung befreien..
    leider hat das wie erwartet den versteckten teflonmantel im innern ebenfals zerstört.

     

    tja.  immerhin nun habe ich einige ersatzteile und weiss wie ich die nächste düse reparieren kann.

     

    edit:
    lustig. mein hotend ist ein kleines bisschen anders gebaut.  bei mir verläuft das PTFE rohr direkt im aluminiumkühlkörper, das stahlteil ist bei mir viel kürzer als das vom Video.

    Disassemble Printcore?

    in UltiMaker 3D printers

    Posted

    Has anyone ever disassembled a printcore?

    couldnt find any pictures on how to best do that..

     

    i have filament stuck in one 0.4mm AA Printcore. as those cores are quite expensive i want to try and fix it.

     

    Filament is stuck up to the top but i cant grab it with pliers anymore. the first hot pull snapped it just there.

    i tried another hotter pull.. to no effect. i hooked the end of the filament with a bent needle and tried to pull but it stayed jammed very hard.

    Post your latest print!

    in What have you made

    Posted · Edited by yzorg

    Working on anatomical models.. experimenting with smoothable filament.

    Guess what it is. 


    UM S5, 0.15mm layers.  White Polysmooth. Break-away support.

    Postprocessing:

    - some light sanding. 420grit. (across-layers)

    - first smoothing: DIY Alcohol-smoothed (25mins). Paintbucket with soaked towels. 2 days of outgassing.

    - some minor detail correction with knive and sanding papers.

    - second smoothing: Sprayed some more alcohol on problem spots.

     

    conclusion:

    more sanding = better 

    too much alco-smoothing at one time = detail loss

    The alcohol takes forever to evaporate out of the plastic.. apply modest heat and consider holes in your part so parts insides can evaporate the solvent faster. 

    The longer the part stays sticky the more dust it can land.. a dust reduced drying place is important.

    - have a polysmooth-slurry ready to fix any holes. 🙂

     

    IMG_5554.jpg

    IMG_5556.jpg

    IMG_5555.jpg

    • Like 3

    Ultimaker S5 Bed level sensor bad

    in UltiMaker 3D printers

    Posted · Edited by yzorg

    Hi guys

     

    i have a bad leveling sensor. i guess..  

    almost every time i try to print it will fail its initial bed leveling procedure and therefore stop.

    when i then go to diagnose the bed sensor it tells me about 50% of times it has a bad connection 50% is says beeing at error..  (also, that diagnose takes for eever to run...)

    Wiggling the cables, replugging, restarting the hole machine sadly has no effect.

    so i cant print.

     

    i found i need a new bed-sensor board.  does somebody know where i can order that piece?

    Can't connect to printer since firmware update

    in Firmware

    Posted

    On 1/21/2021 at 5:26 PM, sj3fk3 said:

     

    Please DON'T try to downgrade it! It is not possible, we clearly state this with the release notes! 6.x is based on a different OS version, downgrading will most likely brick your printer!

     

    Wait for 6.1 to be released it will be here *really* soon, try upgrading it will also give some new possibilities to (network) provision your printer.

    Its quite Important Infos about an Firmware update. When its making one unable to downgrade afterwards. This is quite very Apple style.. I would need a Big Red Warning upon updating next time... i hope i didnt brick my machine now.


    - The printing-cloud-way which needs opening my browser is realy not ideal. I like to do everything form cura as it was.

    UM S5 grill mod to prevent blocked front fan

    in UltiMaker 3D printers

    Posted

    hi guys

    first clogged nozzle on my UM S5...

    Over a +48h Print, the front fan pulled in that many fine PVA hairs. Up to the point that the fan stopped rotating and the space behind was filled with plastic hair.

    The now uncooled cold-end of my 1st AA core of course clogged soon afterwards.
    lucky that the S5 noticed the stopped filament and printing halted.

     

    So, i found the factory front fan grill unsuitable for filtering the debris eventually produced in the UM.

    I will put in this as quick fix:

    Fine stretch mesh. Got it from an Architecture model builder materials shop.

     

    mesh.thumb.jpg.a9af9eefa143b05353ea0306e41f2b33.jpg

    S5 core seems to be clogged but isn't

    in Improve your 3D prints

    Posted

    On 10/31/2019 at 4:46 PM, TheodorK said:

    What was the issue?

    Was the fan jammed with some filament stringing or was the connector not propperly connected?

    this was exactly my issue.. i will install a fine mesh there.  my nozzle is now clogged/dead..  cant move the stump of filament in there.. hot or cold.  
    does anyone have a walk-trough for disassembling and cleaning a S5 nozzle.  

    Ultimaker Cura 4.8 for the Ultimaker 2+ Connect

    in UltiMaker Cura

    Posted · Edited by yzorg

    On 11/24/2020 at 2:18 PM, Smithy said:

     

    So I don't think it is a general problem with Big Sur and 4.8.

    thanks for the help.
    my camera zoom problem was fi    xed by deactivating the zoom to mouse-position (which did not work at all)

    My "Force layer view compatibility mode" was deactivated from beginning. so no change there.
     

    Ultimaker Cura 4.8 for the Ultimaker 2+ Connect

    in UltiMaker Cura

    Posted · Edited by yzorg
    more info

    I am on a new Macbookpro (2019) With Big Sur OS.

    I like the new release. 4.8

    i have some problems though:

    after slicing layer preview is not visible anymore.

    Cura operator camera zoom zooms to an irrelevant point in the left corner of the printer.

    When Selecting the object the camera resets view to center. but the zoom point stays offset to that left corner. This results in: when zoomed in, the Camera rotates not around the desired object anymore.

     

    Question on Ultimaker S5: How to print temperature towers for 3rd party filament

    in UltiMaker Cura

    Posted

    Hi guys

    I recently got to work on a UM S5.

    For tuning in new material i need to print temp-towers.

    Those usually (in the old Ultimaker2 days) have been gcode-edited to have different Temps for a given set of layers.

    i remember doing this on Gcode-files but am unable to do the same to the new Ultimaker file format .ufp

    its not text-editable and i am no programming nerd 🙂

     

    Is there a setting or a plugin i miss in cura to achieve said Temp-towers?

     

    Tanks in advance for any help.

     

    Picture of example temp tower:

    Bildschirmfoto 2020-10-05 um 15.56.37.png

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