Jump to content

Help with analyzing print & calibrating


oliver3d

Recommended Posts

Posted · Help with analyzing print & calibrating

Hello guys!

I'm in need of some help with analyzing and calibrating my Ultimaker Original (with heated bed).

The issue:

Top view:

Here you can see that some of the layers are not touching.

Top

 

Left side view (fan is on this side):

left

Right side view:

right

Bottom view:

Here you can see that near the top (the round part at the bottom in this picture) there's something weird going on.

bottom

 

 

 

Print settings:

Material: PLA

Layer height: 0.2

Shell thickness: 0.8

Bottom/top thick.: 0.8

Fill density: 100%

Print speed: 50mm/s

Temp: 210C

Bed temp: 50C

Diam: 2.85

Flow: 100

Retraction speed: 40

Ret. Dist. : 5mm

 

 

What I have checked so far:

 

- The short belts are tight, and are not grinding against the walls.

- All the pulleys are tight.

- Filament is measured.

- Bed is leveled.

- Room should be "breeze free".

 

 

Could you guys help me with this? :)

 

  • Link to post
    Share on other sites

    Posted · Help with analyzing print & calibrating

    Hi Oliver,

    Speed and temperature I guess.

    A next one I would print with a finer layer, 0.1mm. It is a steep overhang, so give the printing filament a base to hold on to.

    Lower the printing speed, to give the filament more cooldown time, and/or set minimal layer time to 10sec.

    Depending on your pla, try a temp of 205 or 200.

    Use as much fan as possible.

    set a 0.6 or 0.5 wall thickness, Needs one pass. and use a infill of 25 % Should be strong enough for a fanduct and reduces the volume to cool down.

    My best guess is, while printing you have noticed a lot of curling. After printing, the material shrinks and curls up a few mm of the print. pulling away the print from the nozzle, so there is nothing to drop the filament on to. making things worse. You can use a finger or screwdriver to check if the top of the print is hard or still soft.

    Last but not least, normal Pla is a pretty low-tech material for a fanduct, my feeling is your tip surrounding the nozzle wont last long. better use something like abs or pla90.

    Regards Kees

     

  • Link to post
    Share on other sites

    Posted · Help with analyzing print & calibrating

    Thanks for your comment and help!

    I've now tried printing with a temp of 205C, and that seemed to help a bit. I also increased the minimal layer time to 10sec.

     

    A next one I would print with a finer layer, 0.1mm. It is a steep overhang, so give the printing filament a base to hold on to.

     

    Wouldn't 0.2mm layer height give it more give more of a base to hold on to, or am I thinking wrong?

    Oh and yes, PLA will surely fail sooner than other materials, but this duct is just a temporary one as I'm installing a second extruder soon :)

     

  • Link to post
    Share on other sites

    Posted · Help with analyzing print & calibrating

    Thanks for your comment and help!

    I've now tried printing with a temp of 205C, and that seemed to help a bit. I also increased the minimal layer time to 10sec.

    Wouldn't 0.2mm layer height give it more give more of a base to hold on to, or am I thinking wrong?

    Oh and yes, PLA will surely fail sooner than other materials, but this duct is just a temporary one as I'm installing a second extruder soon :)

     

    About the layerheight..

    Let's say you have 45 degrees angle (Overhjang). (your is flatter I guess).

    A standard nozzle is 0.4mm, Imagine yourself a layerheight of 0.4mm.

    A 45 degr. overhang would move the layer 0.4mm up and 0.4mm to the side ?!?

    Theoretically it would be a nearmiss, the printed layer would not have much of a base?

    With a 0.2mm layerheight you would get a 50% base?

    with a 0.1mm you will have a 75% base? Right? ;)

    + a 0.1mm layerheight would give you less volume to cool?

    Succes with the 2nd extruder!!!!!

     

  • Link to post
    Share on other sites

    Posted · Help with analyzing print & calibrating

    Hello again fellow makers! I have a new patient (aka print) that i would need some advice with :)

    Diablo front

    Diablo side

    Print settings:

    Material: PLA

    Layer height: 0.2

    Shell thickness: 0.4

    Bottom/top thick.: 1.2

    Fill density: 5%

    Print speed: 50mm/s

    Temp: 210C

    Bed temp: 60C

    Diam: 2.85

    Flow: 100

    Retraction speed: 40

    Ret. Dist. : 5mm

     

     

    Here you can see how it's come out like for others: http://www.thingiverse.com/thing:224878/#made

     

    The 0.4 shell thickness might part of the reason, maybe 0,8 would be better.

     

    What do you guys think?

     

  • Link to post
    Share on other sites

    Posted · Help with analyzing print & calibrating

    Hello again fellow makers! I have a new patient (aka print) that i would need some advice with :)

     

     

    Print settings:

    Material: PLA

    Layer height: 0.2

    Shell thickness: 0.4

    Bottom/top thick.: 1.2

    Fill density: 5%

    Print speed: 50mm/s

    Temp: 210C

    Bed temp: 60C

    Diam: 2.85

    Flow: 100

    Retraction speed: 40

    Ret. Dist. : 5mm

     

     

    Here you can see how it's come out like for others: http://www.thingiverse.com/thing:224878/#made

     

    The 0.4 shell thickness might part of the reason, maybe 0,8 would be better.

     

    What do you guys think?

     

    From what I see, it seems to be built for a powder based printer. Doubt the details can be resolved well on a wire printer unless you print it really big.

     

  • Link to post
    Share on other sites

    Posted · Help with analyzing print & calibrating

    I don't think that the issue. The original maker printed it out with woodfill material, and several others of those displayed there are made with FDM. There's also one made with 0,2 layer height and 5% infill, and it turned out great!

     

  • Link to post
    Share on other sites

    Posted · Help with analyzing print & calibrating

    Hello again fellow makers! I have a new patient (aka print) that i would need some advice with :)

     

     

    Print settings:

    Material: PLA

    Layer height: 0.2

    Shell thickness: 0.4

    Bottom/top thick.: 1.2

    Fill density: 5%

    Print speed: 50mm/s

    Temp: 210C

    Bed temp: 60C

    Diam: 2.85

    Flow: 100

    Retraction speed: 40

    Ret. Dist. : 5mm

     

     

    Here you can see how it's come out like for others: http://www.thingiverse.com/thing:224878/#made

     

    The 0.4 shell thickness might part of the reason, maybe 0,8 would be better.

     

    What do you guys think?

     

    It is a difficult model with severe overhangs. 0.4 shell is surely not enough. I would try 0.8 or 1.2, print speed 30

     

  • Link to post
    Share on other sites

    Posted · Help with analyzing print & calibrating

    I thought so. So basically all models with tricky overhangs should be printed with 0.8 shell or higher. Thanks for the response!

    BTW, here's the model after a bit of sanding and amateur paint job;

    front

    side

     

  • Link to post
    Share on other sites

    Create an account or sign in to comment

    You need to be a member in order to leave a comment

    Create an account

    Sign up for a new account in our community. It's easy!

    Register a new account

    Sign in

    Already have an account? Sign in here.

    Sign In Now
    • Our picks

      • UltiMaker Cura 5.3 stable released
        In this stable release, Cura 5.3 achieves yet another huge leap forward in 3D printing thanks to material interlocking! As well as introducing an expanded recommended print settings menu and lots of print quality improvements. Not to mention, a whole bunch of new printer profiles for non-UltiMaker printers!
          • Thanks
          • Like
        • 56 replies
      • Here it is. The new UltiMaker S7
        The UltiMaker S7 is built on the success of the UltiMaker S5 and its design decisions were heavily based on feedback from customers.
         
         
        So what’s new?
        The obvious change is the S7’s height. It now includes an integrated Air Manager. This filters the exhaust air of every print and also improves build temperature stability. To further enclose the build chamber the S7 only has one magnetically latched door.
         
        The build stack has also been completely redesigned. A PEI-coated flexible steel build plate makes a big difference to productivity. Not only do you not need tools to pop a printed part off. But we also don’t recommend using or adhesion structures for UltiMaker materials (except PC, because...it’s PC). Along with that, 4 pins and 25 magnets make it easy to replace the flex plate perfectly – even with one hand.
         
        The re-engineered print head has an inductive sensor which reduces noise when probing the build plate. This effectively makes it much harder to not achieve a perfect first layer, improving overall print success. We also reversed the front fan direction (fewer plastic hairs, less maintenance), made the print core door magnets stronger, and add a sensor that helps avoid flooding.
         

         
        The UltiMaker S7 also includes quality of life improvements:
        Reliable bed tilt compensation (no more thumbscrews) 2.4 and 5 GHz Wi-Fi A 1080p camera (mounted higher for a better view) Compatibility with 280+ Marketplace materials Compatibility with S5 project files (no reslicing needed) And a whole lot more  
        Curious to see the S7 in action?
        We’re hosting a free tech demo on February 7.
        It will be live and you can ask any questions to our CTO, Miguel Calvo.
        Register here for the Webinar
          • Like
        • 18 replies
      • UltiMaker Cura Alpha 🎄 Tree Support Spotlight 🎄
        Are you a fan of tree support, but dislike the removal process and the amount of filament it uses? Then we would like to invite you to try this special release of UltiMaker Cura. Brought to you by our special community contributor @thomasrahm
         
        We generated a special version of Cura 5.2 called 5.3.0 Alpha + Xmas. The only changes we introduced compared to UltiMaker Cura 5.2.1 are those which are needed for the new supports. So keep in mind, this is not a sneak peek for Cura 5.3 (there are some really cool new features coming up) but a spotlight release highlighting this new version of tree supports.  
          • Like
        • 29 replies
    ×
    ×
    • Create New...