Diy Spot Welder Microwave Transformer. And, it's pretty much free! 1) remove the leads of the two electrical probes & solder them on the ends of the 1.5mm insulated copper wire.
Posted in arduino hacks tagged diy spot welder, microwave oven transformer,. This project is an outline of how to build a resistance spot welder using salvaged parts from an old microwave. I had no idea making a diy welder would be so easy to do.
My mot was modified from a previous project into a spot welder, which is a different form of welder, but in this project i wanted to convert it to arc weld.that requires a different modification which allows an output of about 30 volts a/c and around 120 amps.
I also have a professional spot welder, model sunkko 737g which is around $100 but i can happily say that my diy spot welder o… The main steps in turning a microwave into a spot welder are cracking open the microwave, pulling apart the transformer and rewinding it with thick cable, fabricating your enclosure and arms, and creating a timing circuit. Posted in arduino hacks tagged diy spot welder, microwave oven transformer,. Make an ac arc welder using parts from an old microwave, part 1 ;