Chapter Name :- Welding Process Topic Name
:- Resistance Welding - Projection Welding
Resistance Projection Welding (RPW) ❖ One of metal sheets to be welded, has to be put through a punch press which makes small projection or buttons in the metal sheet
❖ Projection welds are produced at localised points in work pieces help under pressure between suitable electrodes
❖ Welds are made simultaneously