process of spot welding
the electricity flow around the circuit, where the pieces of metal are joined, there is an increase in resistance which leads to a build up of localised heat - enough to fuse the two pieces together
what is spot welding used for
joining mild steel sheet
what can spot welding be used for
one off production
but also larger scale production where it is often pre-programmed robots
examples of spot weldign
car bodies
handles to sauce pans