(04)접합(v2)
WELDING PROCESSES
Welding Technology
Materials
Welding
MET 304 Mechanical joints welded
Aws a5.2 1992
3- Hold time: The current shut off but the pressure is still on. 4- Off time: The pressure now is released and the work is removed or moved to start spot-welding.
group 7
Welding and types
