Stud Welding Machines - Machines

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Arc Stud Welding Method (Drawn Arc / DA)

  • The weld Stud and ceramic ferrule are placed in the hand tool and pressed against work piece.
  • The arc is drawn when the trigger is pressed which melts the flux-end of the arc-stud along with the immediate work area of the parent metal.
  • 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 piece.
  • The weld metal cools and operator breaks away the ceramic ferrule to expose the weld fillet around the base of the stud.

Significant DA advantages

  • Almost any size or type of stud can be welded between M3 / 3mm up to M30 / 30mm
  • With the Drawn Arc process, you obtain a full fusion weld that becomes stronger than the stud itself
  • Stud Diameters up to 30mm
  • Labor costs are dramatically reduced with this 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 in steel beam construction / high-rise applications on site
  • No holes to drill or swarf.


CD Stud Welding Method (Capacitor Discharge / CD)

  • Stud is placed in handtool / gun and pressed against work piece
  • Ignition of the arc is started when stored energy in capacitors is discharged when trigger is pulled through a special weld “timing” tip and stud starts downward.
  • The stud arcs across the entire bottom face of the stud along with the parent material and the stud is forced into the molten metal using preset spring tension.
  • Metal solidifies and weld is completed in milliseconds.


Significant CD advantages

  • No drilling or tapping
  • No cleanup
  • Will not vibrate lose
  • No weld fillet
  • Reverse side can painted or finished before welding
  • Parent base materials from 0.6mm sheet and upwards
  • Very fast, 5-6 milliseconds per studweld / placement
  • Weld up to 20 studs per minute

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