Energy storage to enhance stud welding gun

How do stud welding guns work?

Stud welding guns are used to hold the studs and move them in proper sequence during welding. There are two basic power supplies used to create the arc for welding studs. One type uses dc power sources similar to those used for shielded metal arc welding. The other type uses a capacitor storage bank to supply the arc power.

What power sources are used in arc stud welding?

One type uses dc power sources similar to those used for shielded metal arc welding. The other type uses a capacitor storage bank to supply the arc power. The arc stud welding processes using these power sources are commonly known as arc stud welding and capacitor discharge stud welding respectively.

What is stud welding?

Stud welding is a general term for joining a metal stud or similar part to a workpiece.1 Welding can be done by a number of welding processes including arc, resistance, friction, and percussion. The arc stud welding process (SW), including capacitor discharge methods, will be covered in this document.

How does a stud Weld work?

The mainspring of the gun plunges the stud into the molten pool on the work to complete the weld, Figure 2(C). The gun is then lifted from the stud and the ferrule is broken off, Figure 2(D). The time required to complete a weld varies with the cross-sectional area of the stud.

What is arc stud welding?

1.1 Arc Stud Welding. The arc stud welding process involves the same basic principles as any other arc weld-ing process. Application of the process consists of two steps: Welding heat is developed with an arc between the stud and the plate (work). The two pieces are brought into intimate contact when the proper temperature is reached.

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