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Home Made Spot Welder

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Uploaded by on Apr 28, 2008

A spot welder using a re-wound transformer. 1.4v @ ~1100amps.

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Science & Technology

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Uploader Comments (nik282000)

  • I have been looking into making chainmail as art... long story... any way to make the links for the chainmail I wrap wire around a steel rod cut off a bunch of loops and just close the gap where the cut was made. Do you think a spot welder could join the ends of the wire to finish the link after it has been added to what ever I a making with out joining the link to any of the other links?

  • @MrAwsome514

    100% yes. That is how they make modern chain. You would have to pinch the link shut using the spot welder electrodes and then give it some power until you see that it has welded.

  • o.o I made another and, my clamp meter says 1100 amps dead short, and 640 amps under spot welding, but I cannot get a weld to stick :/ how could 640 amps not weld lol...

  • @BasementBen

    You need to use A LOT of pressure when you make the weld and some metals just don't like to stick. You can probably look up what metals do and don't work for spot welding.

Top Comments

  • Your Mum's gonna f**king kill you!

  • Mom is really going to be upset when she finds out what you did to her stuff

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All Comments (38)

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  • wat is at the end of the copper pipe? tungstun?

  • @MrStemkilla For art.

  • @MrAwsome514 oh that would be pritty cool also since it would be lighter than meany vests and more minuverable try puting kevlar underneeth it to disburs the energy more if you get it welded.. so are you makeing it to stop bullets or art?

  • @MrStemkilla Just as art. Though I think I have a weave that could stop a 9mm round. Maybe even a .44 if it was welded. Ofcourse since chainmail is flexable it would still feel like you have been hit by the nose cone of a hypersonic jet at twice the speed of sound. But still...

  • @MrAwsome514 what are you making it for anyway ? if i had it i would kill x wife... she is bare (insert Russian accent here)

  • @MrAwsome514 well it dosnt releas the toxic gas until it is heated to the point it starts to burn .. with this you will reach that point but it wont realse as mutch gas as it could... if you do use galvinised then do it with an exost fan sucking it away from you in the open and if you keep getting wifs of it then get a chemical respirator because my the end of you million links you would have lung failure... but if you do what i say nothing bad will happen

  • @MrStemkilla Even then I use galvanized wire so I would have to take precautions because it releases toxic gasses when heated.

  • @MrAwsome514 wel the wire will me relitivly small so a homade tack welder like this but with less amps would probibly work altho it will take forever!

  • lol..good one..

  • @MrAwsome514 drat

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