Abstract
The following quote was obtained by the news editors from the background informa tion supplied bythe inventors: “Spot welding is frequently used to connect meta l sheets and strips. This method is inparticular used in vehicle body productio n in automated assembly lines in the automotive industry.“A plurality of welding robots is typically used in this case to connect the veh icle body sheet metalparts to one another by spot welding. The welding robots a re equipped with welding tongs, the electrodeshafts of which are equipped with one spot-welding electrode in each case, which are referred to as theelectrode caps.