On the face of it, a spot welder is a simple device. If you dump enough current through two pieces of metal very quickly, they’ll heat up enough to melt and fuse together. But as with many things, the ...

Even when you build something really, really nice, there’s always room for improvement, right? As it turns out for this attempted upgrade to a DIY spot welder, not so much. You’ll no doubt recall ...

Recently, Zhengzhou Donggong Industrial Co., Ltd. applied for a patent titled "A Cooling Device and Method for Universal Electrode Heads of Spot Welding Machines," with publication number CN120734508A ...