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Thread: Budget fume extractor

  1. #1
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    Budget fume extractor

    I'm sure everyone has seen those fume extraction and ventilation systems for sale for anywhere between $1500-$5000 and up. Ventilation is a must, but spending that kind of money seems ridiculous. This is a simple design I came up with using 8 inch duct work, a 735 CFM greenhouse fan, an outside vent fixture, and an adjustable mount that can hang on my shops rafter ties. I tested it out running a couple of 6011 rods at 125 amps and sure enough it sucked the smoke right out. Total cost: $200
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  3. #2
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    Re: Budget fume extractor

    my fume extractor...

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  4. #3
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    Re: Budget fume extractor

    I'd recommend some metal at the inlet for at least a couple feet to minimize the risk of sparks catching your flex duct on fire. It can also give you some solid to help position it if you make it moveable somehow. I see you also have a fire extinguisher there, so good on you! Looks like a good setup.
    -Dave
    XMT304 with: 22A Feeder, or HF251 Hi Freq DC TIG air cooled

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  6. #4
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    Re: Budget fume extractor

    Looks great
    Myself I do all welding outside just let the wind blow.

    Dave

    Quote Originally Posted by Part-time View Post
    I'm sure everyone has seen those fume extraction and ventilation systems for sale for anywhere between $1500-$5000 and up. Ventilation is a must, but spending that kind of money seems ridiculous. This is a simple design I came up with using 8 inch duct work, a 735 CFM greenhouse fan, an outside vent fixture, and an adjustable mount that can hang on my shops rafter ties. I tested it out running a couple of 6011 rods at 125 amps and sure enough it sucked the smoke right out. Total cost: $200
    Name:  IMG_20220501_101521666.jpg
Views: 288
Size:  73.3 KBName:  IMG_20220501_101224355.jpg
Views: 286
Size:  133.4 KBName:  IMG_20220501_101027270.jpg
Views: 285
Size:  101.3 KBName:  IMG_20220423_175230229.jpg
Views: 284
Size:  93.0 KBName:  IMG_20220423_175315251.jpg
Views: 282
Size:  119.1 KB

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  8. #5
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    Re: Budget fume extractor

    Quote Originally Posted by Part-time View Post
    . I tested it out running a couple of 6011 rods at 125 amps and sure enough it sucked the smoke right out.]
    Looks good
    Be careful in the winter
    It will suck the heat out of the room in no time flat.
    Miller 211
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    1961 Lincoln Idealarc 250
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    True Wisdom only comes from Pain.

  9. #6
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    Re: Budget fume extractor

    Quote Originally Posted by davec View Post
    I'd recommend some metal at the inlet for at least a couple feet to minimize the risk of sparks catching your flex duct on fire. It can also give you some solid to help position it if you make it moveable somehow. I see you also have a fire extinguisher there, so good on you! Looks like a good setup.
    Thanks guys, I appreciate the feed back. I was planning on putting a hood on this but I was having a hard time designing one that didn't get in my way. The head swivels on the drop tube via the bolt that mounts it (forgot to mention the 6 to 8 inch stove adapter I used for the duct to clamp onto)
    Stay safe all

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  11. #7
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    Re: Budget fume extractor

    Great ideas.

    I just ordered an optrel swiss air PAPR to wear because my setup isnít conducive to fume extraction like this. $1300 hit.
    www.FirehouseFabricators.com

    Zach

    Millermatic 255
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    Hypertherm Powermax 45xp
    2x4 CNC Plasma Table.

  12. #8
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    Re: Budget fume extractor

    Just work outside and let the wind bow the smoke away.
    It is FREE and no building cost too.

    Dave

    Quote Originally Posted by BrooklynBravest View Post
    Great ideas.

    I just ordered an optrel swiss air PAPR to wear because my setup isnít conducive to fume extraction like this. $1300 hit.

  13. #9
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    Budget fume extractor

    Quote Originally Posted by smithdoor View Post
    Just work outside and let the wind bow the smoke away.
    It is FREE and no building cost too.

    Dave
    You really need to step away from the keyboard for a while.

    Your reply here is just completely stupid.

    The original poster seems to have a nice work area and just wants to dispose of the fumes.

    But I see that you are replying to Brooklynís bravest
    Who has a pretty nice small shop of his own and also as a business owner.

    Not everyone is going to set up camp in the driveway to do a welding project or weld multiple pieces for production work.

    You really need a hobby, dude.

    You reply to nearly every single post with a lot of times some very objectionable advice.

    Itís getting old.
    Miller 211
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  14. #10
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    Re: Budget fume extractor

    My welding shop outside in field . My machine shop was indoors.

    It is very common to see a welding/fab shop outside with small building for machine tools only
    In Fresno California. It cuts the overhead down.

    Dave

    PS If you wonder how you in rain 🌧 simple save work that can be done in the machine shop last or when rains 🌧.

    Quote Originally Posted by John T View Post
    You really need to step away from the keyboard for a while.

    Your reply here is just completely stupid.

    The original poster seems to have a nice work area and just wants to dispose of the fumes.

    But I see that you are replying to Brooklynís bravest
    Who has a pretty nice small shop of his own and also as a business owner.

    Not everyone is going to set up camp in the driveway to do a welding project or weld multiple pieces for production work.

    You really need a hobby, dude.

    You reply to nearly every single post with a lot of times some very objectionable advice.

    Itís getting old.
    Last edited by smithdoor; 1 Week Ago at 07:44 PM.

  15. #11
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    Re: Budget fume extractor

    I used umbrellas 🌂 for rain 🌧 too.
    Not used in the summer
    The welding table was under a awning still outside.

    Dave


    Quote Originally Posted by John T View Post
    You really need to step away from the keyboard for a while.

    Your reply here is just completely stupid.

    The original poster seems to have a nice work area and just wants to dispose of the fumes.

    But I see that you are replying to Brooklynís bravest
    Who has a pretty nice small shop of his own and also as a business owner.

    Not everyone is going to set up camp in the driveway to do a welding project or weld multiple pieces for production work.

    You really need a hobby, dude.

    You reply to nearly every single post with a lot of times some very objectionable advice.

    Itís getting old.

  16. #12
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    Re: Budget fume extractor

    Quote Originally Posted by smithdoor View Post
    Just work outside and let the wind bow the smoke away.
    It is FREE and no building cost too.

    Dave
    Quote Originally Posted by John T View Post
    You really need to step away from the keyboard for a while.

    Your reply here is just completely stupid.

    The original poster seems to have a nice work area and just wants to dispose of the fumes.

    But I see that you are replying to Brooklyn’s bravest
    Who has a pretty nice small shop of his own and also as a business owner.

    Not everyone is going to set up camp in the driveway to do a welding project or weld multiple pieces for production work.

    You really need a hobby, dude.

    You reply to nearly every single post with a lot of times some very objectionable advice.

    It’s getting old.
    Working outside isn't really a possibility in the New York City region. I outsource 75% of my work now fortunately due to volume requirements and my own time constraints however my very small space is definitely at capacity. My actual land is 40x100 and my neighbor is about 10 feet away.

    The exhaust from the garage does a nice job building up iron on my truck that has to be regularly removed with expensive automotive iron remover.

    It's just not quite farm country....


    I'm considering buying a building for my business to operate out of, but to the tune of 7 figures while I currently have no real overhead its a tough decision.
    www.FirehouseFabricators.com

    Zach

    Millermatic 255
    Lincoln SW200
    Hypertherm Powermax 45xp
    2x4 CNC Plasma Table.

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  18. #13
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    Re: Budget fume extractor

    Sounds like warm building too.
    Today I am retired but when shop I had 5 acres every thing I did was big.
    In California it sunny 🌞 most year.

    Dave

    Quote Originally Posted by BrooklynBravest View Post
    Working outside isn't really a possibility in the New York City region. I outsource 75% of my work now fortunately due to volume requirements and my own time constraints however my very small space is definitely at capacity. My actual land is 40x100 and my neighbor is about 10 feet away.

    The exhaust from the garage does a nice job building up iron on my truck that has to be regularly removed with expensive automotive iron remover.

    It's just not quite farm country....


    I'm considering buying a building for my business to operate out of, but to the tune of 7 figures while I currently have no real overhead its a tough decision.

  19. #14
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    Re: Budget fume extractor

    Quote Originally Posted by BrooklynBravest View Post
    Great ideas.

    I just ordered an optrel swiss air PAPR to wear because my setup isnít conducive to fume extraction like this. $1300 hit.
    Let me know how comfortable that system is. I am interested in it for confined space items

  20. #15
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    Re: Budget fume extractor

    Quote Originally Posted by BrooklynBravest View Post
    Great ideas.

    I just ordered an optrel swiss air PAPR to wear because my setup isnít conducive to fume extraction like this. $1300 hit.
    Good plan. $1300 won't even cover your first night in the hospital with a respiratory related illness


    Sent from my iPhone using Tapatalk
    :

  21. #16
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    Re: Budget fume extractor

    Did you buy one buy for the mice and bugs.

    For summer you setup air duck from the evaporate cooler.
    I use a small evaporate cooler when welding outdoors in 110į F days. It like sea breeze while welding.
    Note I pointed air on me not the weld.

    Dave

    Quote Originally Posted by BrooklynBravest View Post
    Great ideas.

    I just ordered an optrel swiss air PAPR to wear because my setup isnít conducive to fume extraction like this. $1300 hit.

  22. #17
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    Re: Budget fume extractor

    have an articulating arm hooked up to this Lasko ventilator


    helps a little

    my 2 cents

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  23. #18
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    Re: Budget fume extractor

    Quote Originally Posted by smithdoor View Post
    Did you buy one buy for the mice and bugs.

    For summer you setup air duck from the evaporate cooler.
    I use a small evaporate cooler when welding outdoors in 110į F days. It like sea breeze while welding.
    Note I pointed air on me not the weld.

    Dave
    Air Duck
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  24. #19
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    Re: Budget fume extractor

    Maybe
    Keeping the overhead down and living where on good year we 10" of rain 🌧.

    But start work in high school and then college as a iron worker. FYI iron work paid for college no loan or GI loan. Wall of college paid for.

    Dave

    Quote Originally Posted by Woznme View Post
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  25. #20
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    Re: Budget fume extractor

    You on your welding on the other thread was excellent 👌.

    Would post earlier but was tie-up.
    Dave

    Quote Originally Posted by Woznme View Post
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  26. #21
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    Re: Budget fume extractor

    Couldn't help myself. I like to take the pizz whenever I can, it's a character flaw.

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