Semi-automatic and highly efficient, high-volume production needs it!
This is the machine I use in the video:
https://www.sunkko.net/products/sunkko-a330h-gantry-style-pneumatic-battery-spot-welder-42-kw-capacitor-energy-storage-pulse-welding-machine-super-high-power-spot-welding-equipment-for-18650-lifepo4-and-copper-metal-welding.html
