Hackaday reader [David] was looking for a cheap and easy way to spot weld copper tabs together. As he notes in his writeup, the properties of copper which are most enticing, such as high thermal ...

The SonoWeld Series of easy-to-use, microprocessor-controlled metal welders can perform spot welds in a single pulse with repeatable accuracy. And with additional tooling, the unit can provide wire-to ...

Spot welding looks simple and easy until your products fall apart while being delivered to the job site. When that happened to one contractor several years ago, spot welding suddenly took on a whole ...

DIY spot welders often use high-powered components that can be a bit frightening, given the potential for dangerous malfunctions. [Wojciech “Adalbert” J.] designed his capacitive discharge spot welder ...

Joining one flat piece of metal to another flat piece of metal is a common requirement, but sometimes the choice of method lies open. For a case in point, please consider these two kitchen spatulas in ...

Warren — General Motors Co. believes it is the first automaker to weld steel to aluminum through resistance spot welding, a technique it spent some two years developing and expects will save weight ...

Local stress parameters (hot-spot structural stress, notch stress, stress intensity factors and J-integral) at spot welds are preferred in fatigue assessments of spotwelded structures because these ...