Stud Welders
Arc stud welding (SW) is a welding process in which a metal fastener (weld stud) is joined to a workpiece. This process is generally referred to as stud welding. The metal fastener is joined under pressure once sufficiently heated with an electric arc.
The fastener or weld stud is positioned for welding through the use of a stud gun. When the operator activates the stud gun trigger, the fastener (electrode) is welded to the workpiece without the use of filler metal. The welding duration of SW is typically one second or less.
One end of a SW fastener is prepared for welding. A ceramic ferrule surrounding the weld end of the fastener provides partial shielding of the weld. The ferrule also dams the molten metal to form a fillet type weld. Shielding gases or flux may or may not be used to protect the weld.
