STUD welding machines

STUD

— spot welding technology using a lifting (pulling) arc. Mainly used for flat base plus stud connections. The welding process itself takes place in the following way: the stud is pressed against the base; the current is switched on; the pin rises; an arc ignites between it and the base, which melts the surface of the base; the hairpin is lowered into the melt; the current is turned off, the metal freezes. STUD welding involves the use of mechanized welding torches with a spring or hydraulic system that raises and lowers the stud, and an inert gas or flux is used to protect the joint from atmospheric air.