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 resistance of the metal work pieces and the ... metal are sandwiched between the electrodes and power is applied. Spot welding isn’t just for joining two pieces of sheet metal.

Maximum productivity and consistent quality are critical in automated welding processes. This requires robust, high precision ...