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Unresolved Wrinkles in layers

Discussion in 'Troubleshooting' started by Matt Gorski, Jan 14, 2017.

  1. Matt Gorski

    Matt Gorski Member

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    Just curious why this seems to happen sporadically. I've adjusted my flow, Z height, speed ECT and I still get waves/wrinkles. I've read a few threads adjustinh the z axis but I'm at a loss now. Using ABS .3 first layer .2 rest, heat bed 85 filiment 245. See pic for wrinkles.
     

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    #1 Matt Gorski, Jan 14, 2017
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    If it wasn't ABS I'd say (for example, if it were PLA) too hot and a touch of over extrusion.

    But ... with ABS it could just be it warping. I'd still suggest calibrate extruder and test a lower temp :)
     
    #2 mark tomlinson, Jan 14, 2017
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  3. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Assuming ABS being ABS is the culprit. Then minimize air flow around the printer and maybe consider aiming a heat lamp over there. An enclosure us the best answer


    Sent from my SAMSUNG-SM-G930A using Tapatalk
     
    #3 mark tomlinson, Jan 14, 2017
  4. Matt Gorski

    Matt Gorski Member

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    Lower temp huh? Would not have thought that would be the culprit. I'll try some lower temps and report back. Thank you kindly for the Saturday night response ;)

    PS my z height seems to be best at 0.1 if that sounds right.
     
    #4 Matt Gorski, Jan 14, 2017
  5. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Yes. Z height controls detail. So that sound right. Cooler may not help. It is a tricky balance with ABS getting enough heat into the model for it to print and then getting the heat out slow enough that it does not warp or buckle

    Sent from my SAMSUNG-SM-G930A using Tapatalk
     
    #5 mark tomlinson, Jan 14, 2017
  6. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    This is why most have moved on to coploymers ... they are superior to ABS in every property and have almost none of the complications for printing


    Sent from my SAMSUNG-SM-G930A using Tapatalk
     
    #6 mark tomlinson, Jan 14, 2017
  7. Matt Gorski

    Matt Gorski Member

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    So what material would you all recommend for an electronics/mini pc enclosure?
     
    #7 Matt Gorski, Jan 14, 2017
  8. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    You know your requirements best, but start here:

    http://taulman3d.com/how-to-choose.html

    Whatever reasons you chose ABS for, there are better alternatives there and that is scratching the surface. Other vendors have even more.

    Look where ABS is on the graph.
     
    #8 mark tomlinson, Jan 14, 2017
  9. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Another resource here (attached)
     

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    #9 mark tomlinson, Jan 14, 2017
  10. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    ABS and polycarbonate are the two most problematic materials for most printers.
    ABS because it needs strict extrusion and environment control and PC because it needs heat -- a lot :)
     
    #10 mark tomlinson, Jan 14, 2017
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  11. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
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    Copolymers as @mark tomlinson suggests are all you PET filaments like PET-G (the most common) and PET-T.
     
    #11 WheresWaldo, Jan 15, 2017
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  12. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Nylon is a very nice option as well and while a bit trickier than PLA it is not difficult to get tweaked in well.
     
    #12 mark tomlinson, Jan 15, 2017
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