How To Make Spot Welding Machine At Home. With that in mind long-time Maker Matthew Borgatti recently completed work on a homemade spot welder built from a scrapped microwave and a few other parts. Maximum welding thickness.
It looks like a dozen 10 gauge wires bundled in one insulated coating. The Transformer new Secondary I lucked out and found a 4 foot piece of grounding wire. The DIY spot welder just delivers 1100A which is fine for welding small electronic parts.
The only markings were three triangles.
Although I have seen that people have welded 2 x 075 mm sheets with this kind of spot welders. In addition its best not to use the welder for more than about 20 minutes at a. The Transformer new Secondary I lucked out and found a 4 foot piece of grounding wire. Josh at imsolidstate came across an extra battery charger so he decided to turn it into a spot welderWeve seen spot welder projects in the past however his goes the extra mile adding a digital control circuit and current monitoring capabilities to give precise control over the welding.