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ToolGuyd > Hand Tools > Electrical Tools > Build Your Own Solder Fume Extractor

Build Your Own Solder Fume Extractor

Aug 14, 2012 Stuart 4 Comments

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DIY Solder Fume Extractor with Computer Fans

Soldering without adequate ventilation is a big no-no. Every roll of solder includes such warnings, but some hobbyists and pros still solder in closed-off spaces with little to no air crossflow. To avoid breathing in nasty and toxic solder fumes, you need to push or pull the fumes away from your face, and to do this you canĀ open a window, set up a desk or floor fan, purchase a fume extractor, or you can build your own extractor/ventilator.

One of the more elegant DIY designs we have found, shown above, uses an array of four simple computer fans to pull fumes away from your body and face. The design, by oomlout, does not filter solder and flux fumes, it simply pulls them away. Still, it looks to be a very effective means by which to clear fumes away from your personal workspace.

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The plans call for a laser-cut grill and two legs to form an upright stand, but you should also be able to make do with simple hand and power tools. 80mm computer case fans are easy to find, and should be quite inexpensive as well. The plans do not discuss power requirements, but you will generally need a 12-volt power source and a simple on/off switch.

There doesn’t look to be any reason why you could not attach a carbon filter at the front or rear of the fan to absorb solder and flux fumes rather than just moving them around.

Design and Laser Files, via oomlout

If you’d rather just buy a fume extractor that’s ready to go, there are a number of makes and models available via Amazon. We’ve heard good things about Weller’s simple desktop extractor and are happy with the Edsyn we use in our shop.

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Sections: DIY Projects, Electrical Tools Tags: soldering tools

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4 Comments

  1. Neil West

    Aug 14, 2012

    I just use a small house fan,works great cost about $20.00.Seems a lot easier than building one.Just saying.

    Reply
  2. john

    Aug 20, 2012

    This might keep it out if your face, but you will still wind up breathing in the fumes. The real soldeeing stations have active filters to keep you from filling your house with those toxic chemicals.

    Reply
    • Stuart

      Aug 20, 2012

      Making one of these out of spare parts and opening a window is better than sitting in a corner with no ventilation. Using a small extractor with carbon/charcoal filtering is even better. Using an industrial fume extractor is best but overkill without an appreciable benefit for most casual DIYers.

      Reply
  3. dd

    Mar 31, 2016

    Not sure there is a reason to cut off so much airflow with the grill!

    Reply

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