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Thread: Engineering student non-experienced in welding working on project

  1. #1
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    Engineering student non-experienced in welding working on project

    Howdy,

    I am trying to weld some thin copper mesh to some thin copper foil. Any suggestions of what equipment to use (on a students budget) to get this job done?

    I am basically trying to do what is shown in the following video:




    Thanks in advance.

  2. #2
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    Re: Engineering student non-experienced in welding working on project

    It would be helpful if you could post photos of the material you will be using and what configuration
    they will be in, when welded.
    This could be soldered or brazed, although depending on how thin the material is, brazing may be more of a challenge,
    again we need the details of what you are trying to achieve to provide the best solution.
    Richard
    West coast of Florida

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    Re: Engineering student non-experienced in welding working on project

    Thanks for the reply!

    I am using 8" x 4.5" pieces of 100% copper, 16 x 16 mesh with a 0.011 wire diameter.
    The copper foil has a .05 mm thickness.

    I am using the foil as a border around the copper mesh due to the sharp ends on the mesh. I am planning to fold the copper foil over the edges with the mesh in-between to give a nice and clean finish.

    Thanks

  4. #4
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    Re: Engineering student non-experienced in welding working on project

    That's a specialty type of welder. Is there any way you could an epoxy or type of super glue? Loctite/Henkel has a variety of super glues/instant adhesives. If your folding the edge over a spot welder may work with the mesh in between the copper strip.

  5. #5
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    Re: Engineering student non-experienced in welding working on project

    What equipment do you have a available ? looks like you could make a spot welder out of a small AC welder ground clamp, and a carbon in the stinger (unless you can come up with a carbon/moly roller tool like theirs.) You can put a conductive carbon round in the stinger and use as a spot welder. Arc Air carbon rod could be used if you know a welder who has some.

    Be Careful start at low amps, use safety equipment, a have enough material to experiment with.

    Good luck, lets us know what your solution is. Pics.

    https://www.mcmaster.com/carbon/shape~rod-and-disc/
    Last edited by albrightree; 08-13-2020 at 09:07 AM.
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  6. #6
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    Re: Engineering student non-experienced in welding working on project

    I'd just solder it...
    MillerMatic 252, HTP 221 w/cooler, Hypertherm PM45, Lincoln IdealArc 250 AC/DC

    "I'd like to believe as many true things and as few false things as possible"

  7. #7
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    Re: Engineering student non-experienced in welding working on project

    Is there any particular reason you specified welding ? Will it be exposed to temps high enough to melt solder. Will this be used to carry current, be a mechanical barrier, or act as a faraday cage for something ?
    Airco 250 ac/dc Heliwelder Square wave
    Miller Synchrowave 180 sd
    Miller Econo Twin HF
    Lincoln 210 MP
    Dayton 225 ac/dc
    Victor torches
    Snap-On YA-212
    Lotos Cut60D

  8. #8
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    Re: Engineering student non-experienced in welding working on project

    Quote Originally Posted by msilvas View Post
    Thanks for the reply!

    I am planning to fold the copper foil over the edges with the mesh in-between to give a nice and clean finish.

    Thanks
    If aesthetics is important then you may be fighting an uphill battle, as if the job isn't tough enough all by itself
    Richard
    West coast of Florida

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