How to Set Up a Stud Gun for Welding Refractory Studs

WELDER BRANDS: This setup works for Truweld, Proweld, Midwest Fasteners, Erico, Nelson NS20 and Image welder guns.  Refractory studs come in 1/4", 3/8" and 5/16" diameters.


STEP 1: Determine the Arc Gun Chuck Adaptor you need.

Arc Gun Chuck Adaptors

STEP 2:Screw Arc Gun Chuck Adaptor into stud welding gun.

Truweld Light Duty Arc Gun with Truweld Arc Gun Adaptor

STEP 3:Place the Arc Chuck Y Anchor into the Arc Gun Chuck Adaptor.  Seat the Arc Chuck Y Anchorso that the stud will be horizontal to the plane.  Hold the Arc Gun Chuck Adaptorand  in one hand and the Arc Chuck Y Anchor  with the other hand lightly hammer or mallet the  to ensure it is seated properly.

 Arc Gun with Y Anchor Chuck


STEP 4: Screw the 3/8" Arc Legs into the Refractory Ferrule Footplate .  Leave the screws loose until you make your final plunge adjustment. 

 Arc Gun Legs and Refractory Ferrule Footpiece


 STEP 5: Insert a ferrule into the Refractory Ferrule Footpiece. 

Refractory Ferrule in Footplate

STEP 5: Insert a Refractory Stud in the Y Anchor Chuck.  Slide the foot assembly to set the plunge.  The plunge is the amount of the stud that sticks out past the ferrule grip not including the flux ball.

 Stud Diameter Plunge
1/4" 1/4"
3/16" 5/16"
5/16" 3/8"


 Refractory Stud Plunge Definition