The Arc Stud Welding Method

Stud Welding Process

The Arc Stud Welding Method

  1. The stud and ceramic ferrule are placed in the gun and pressed against the work plate.
  2. The arc is drawn when the trigger is pressed which melts the fluxed end of the stud along with the immediate work area.
  3. The ceramic ferrule shields the arc, concentrating the heat, the gun then forces the stud into the molten pool of metal integrating it with the work plate.
  4. The metal solidifies and welder breaks away the ceramic ferrule to expose the weld fillet around the base of the stud.

Advantages

Almost any size or type of stud can be welded
With the Arc process, you obtain a full fusion weld that becomes stronger than the stud itself
Diameters up to 1-1/4"
Labor costs are dramatically reduced with the process because through-hole preparation is eliminated and the weld can be completed by a single worker
Penetration of weld zone for structural-type strength
No holes to drill

 

Stud welding uses a type of insulator called a ferrule, a ceramic ring which concentrates the heat generated, prevents oxidation and retains the molten metal in the weld zone. The ferrule is broken off of the fastener after the weld is completed.     

 






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