Jump to content

Outer Shell Cracking!


RocketNut

Recommended Posts

Posted · Outer Shell Cracking!

Salutations :)

Why does the outer shell splinting? What I am talking about is when a layer does not adhere to the previous layer, causing a gap (warping) between layers on the shell. This is not warping from the build table but after several (>200) layers has been printed. Like on one model was 128mm an another was only about 55mm tall when the warp happened. This warping seems to be random. Also as more layers are added the gap seems to grow. I have seen this with PLA,Nylon an ABS filament.

Any clues on why this is happening?

Rocket Nut

  • Link to post
    Share on other sites

    Posted · Outer Shell Cracking!

    Hi @RocketNut,

    Thank you for your post!

    Usually a photo really helps when you are describing a problem.

    Without a photo, I have to interpret your interpretations of a certain issue, and from experience I have learned that does not always mean we are on the same page ;)

    I think you are talking about delamination, which usually happens with ABS.

    ABS has the tendency to shrink when it cools down, more than other materials. Usually this results in warping, when the hot layers that cool down shrink, they force pull in the bottom layers.

    Except.... when the individual bonding among layers is weak and it pulls apart the layers. You could try to avoid this by closing off your 3D printer (what brand do you have?, you can update your user profile with this type of information), print slower and a little bit hotter. This should ensure better layer bonding.

    Good luck!

  • Link to post
    Share on other sites

    Posted · Outer Shell Cracking!

    Sorry for the delay. Whats the setting so I get an email notice when a reply has been post to my posts?

    I am using a Creality 3D® CR-10 printer.

    This delamination (please see attached screen shot) was with PLA filament.

    As for ABS I am still tiring (newbe status) different settings to find out what will be the best. I am also using ABS to learn how to print with carbon fiber filament, which is needed for this model hes the required proper strength.

  • Link to post
    Share on other sites

    Posted · Outer Shell Cracking!

    If you click your name in the top right corner, go to settings and notifications.

    While you are at it, you can also have a look at forums, and see if you want to customize the way the forums is presented to you.

    PLA usually shouldn't warp or delaminate, or veeeeery minimal. Have you tried increasing the temperature? Turn off the fan? Are you sure it is PLA?

  • Link to post
    Share on other sites

    Posted · Outer Shell Cracking!

    The reel says it PLA. I will try a higher temp with my next print, along with turning off the fan.

    As for ABS and Carbon Fiber filament some one suggested I enclose my printer. I live in a very small apt, so I don't have the room nor the equipment to build the enclosure. Any suggestions on how to print ABS an Carbon Fiber with out the enclosure?

    I notice my previous post does show my screen shot! Did it appear when you read it?

  • Link to post
    Share on other sites

    Posted · Outer Shell Cracking!

    The point of enclosing is to keep the heath in and preventing any draft entering your printer. So some cardboard boards or even a plastic (garbage?) bag could do the trick! (it won't look fancy, but we got to prioritize right? ;))

  • 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 5.7 stable released
        Cura 5.7 is here and it brings a handy new workflow improvement when using Thingiverse and Cura together, as well as additional capabilities for Method series printers, and a powerful way of sharing print settings using new printer-agnostic project files! Read on to find out about all of these improvements and more. 
         
          • Like
        • 7 replies
      • S-Line Firmware 8.3.0 was released Nov. 20th on the "Latest" firmware branch.
        (Sorry, was out of office when this released)

        This update is for...
        All UltiMaker S series  
        New features
         
        Temperature status. During print preparation, the temperatures of the print cores and build plate will be shown on the display. This gives a better indication of the progress and remaining wait time. Save log files in paused state. It is now possible to save the printer's log files to USB if the currently active print job is paused. Previously, the Dump logs to USB option was only enabled if the printer was in idle state. Confirm print removal via Digital Factory. If the printer is connected to the Digital Factory, it is now possible to confirm the removal of a previous print job via the Digital Factory interface. This is useful in situations where the build plate is clear, but the operator forgot to select Confirm removal on the printer’s display. Visit this page for more information about this feature.
          • Like
        • 0 replies
    ×
    ×
    • Create New...