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  1. #1
    Student Axl_Myk's Avatar
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    Ender 3 Pro and ABS

    The printer is stock and I have an enclosure.

    Will this printer reliably print ABS as is? I have a spool of Novamaker filament.
    If not, what upgrades, or forget about it on this printer?

    I have the magnetic bed. Is there any prep I might need to do? Glue?

    What temps work for ABS? I'm seeing 235ºC and 110ºC to start and adjust from there.

    What enclosure temps are generated? Is there a limit before things go downhill?

    I'm assuming the enclosure port for the power supply should be open a bit to allow PS cooling. A vent to outside will be used.

    TIA

  2. #2
    Staff Engineer Roberts_Clif's Avatar
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    With an enclosure printing ABS at 232C with the bed set to 96C Have 3D Printer over 2 year now with these settings.

  3. #3
    Super Moderator curious aardvark's Avatar
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    recommended bed setting is 85c for abs - but as cliff shows - each machine and setup is unique.
    The ideakl bed temp is often the glass temp. So the point that filament begins to soften enough to not shrink from thermal cooling - but not enough to deform under pressure because it's too soft.

    The best advice is to simply find something small and useful and print them with different settings.

    All we can really do is tell you what works for us.
    We are NOT using your printer, in your enclosure and in your work room.
    (you sure as hell are not using anything in what remotely resembles my work room: warmed up today, a sweltering 15c !)

    One of the best pieces of advice I can give you is to simply print things.
    Approach tempo changes sensibly and above all else DON'T PRINT BENCHIES !

    Find something small and useful - I tend to use shopping trolley release keys - and use that for a test file.

    A benchy teaches you nothing you can't learn from almost ANY other print.
    So make something you actually want.

  4. #4
    Student Axl_Myk's Avatar
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    My son is designing, and I am printing, Hank the Hexabot. Something he's been designing for quite a few years.
    So far it's all PLA, but some parts might be better in ABS. So we'll give it a go.

    One Benchy, one Baby Yoda, and one Garden Gnome was enough.

  5. #5
    Super Moderator curious aardvark's Avatar
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    lol you can't go wrong witha baby yoda at the moment :-)

    you migh want to look at pet-g, rather than abs,

    If it's for 'click together' joints then pet-g is way way better than abs. For everything else pla is going to be better than abs.

    Pet-g has a lot more 'give' than abs. It's not as rigid or strong as pla - but it's 'tpugh' so is unlikely to crack if a particular joint is a tight fit.
    And it's pretty easy to print with.

  6. #6
    Student Axl_Myk's Avatar
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    Quote Originally Posted by curious aardvark View Post
    I tend to use shopping trolley release keys - and use that for a test file..
    OK, I must ask, what is a trolly release key?
    In my mind it's a key to release a shopping cart from the rental lines. No?

    I'll give pet-g a look. From what I've been reading here, it doesn't appear to be a favorite filament of some.

    We want some flex in parts such as the main frame. So far we have the frame, and have finished the first leg sections. I'm printing the second leg sections now. Electronics mounts are next. PLA has been working very well for everything.
    Frame length is 212mm long. This thing is going to be a pretty good sized bot crawling around the floors.

  7. #7
    yeah Trolley, think Harry Potter.. cart with wheels, least that is what I imagined as a Yank!

  8. #8
    Staff Engineer Roberts_Clif's Avatar
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    Quote Originally Posted by Axl_Myk View Post
    OK, I must ask, what is a trolly release key?
    We do not have any of these where I live but found this
    https://www.youtube.com/watch?v=GZpdDch2o4M

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