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  1. #1
    Technician paradiddle65's Avatar
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    May 2014
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    Air Filtering system

    If you've used ABS material before you'll know it gives off a bad smell that can make you noxious if inhaled. I have my printer in a very small room so the concentration of the fumes is very exaggerated. After going in and out of the room for several hours while printing, I did feel a little sick.


    I can enclose the printer to contain the fumes, but I don't think that will be enough. So I wanted to pose a question to the 3DPB reprap community:

    Has anyone implemented an air filtration systems into their reprap? What other methods have you used to avoid breathing ABS fumes? Is an airtight enclosure good enough?


    thanks,

    -Brian
    Last edited by paradiddle65; 09-03-2014 at 11:15 AM.

  2. #2
    Box, MDF on three sides and the top, acrilic on the front. HEPA vacuum particulate filter (Dyson DC01 - nice and cheap) with a 12v bilge blower fan (cheap and strong) sucking the air out. front acrylic panel is slanted to give a better view.

  3. #3
    Technician paradiddle65's Avatar
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    Quote Originally Posted by 3dkarma View Post
    Box, MDF on three sides and the top, acrilic on the front. HEPA vacuum particulate filter (Dyson DC01 - nice and cheap) with a 12v bilge blower fan (cheap and strong) sucking the air out. front acrylic panel is slanted to give a better view.
    Seems like a pretty good setup!

    Do you have issues with warping ABS? It would seem like the blower fan would suck out the heat from inside the enclosure as well.

  4. #4
    The fan is on a speed controller. I keep it to the bare minimum to get some kind of suction while keeping drafts down.

  5. #5
    Engineer-in-Training
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    I wonder if a container with activated charcoal inside the enclosure (or with the airflow from a fan) would absorb the fumes?

  6. #6
    The charcoal won't attract the fumes to it - you have to have airflow through the filter.

  7. #7
    Technician paradiddle65's Avatar
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    Quote Originally Posted by CaptainObvious View Post
    I wonder if a container with activated charcoal inside the enclosure (or with the airflow from a fan) would absorb the fumes?
    Good idea! After you mentioned that I looked around other forums. People have built custom filters with loose granular activated carbon. Looks like its easy enough and worth a try. Plus a small fan can pull the fumes through the filter and create a small vacuum in the enclosure at the same time...

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