Unlike a continuous bead weld, puddle welding relies on discrete, carefully controlled molten pools to control heat input and minimize warpage. It is sometimes considered a variant of plug welding or spot welding (but using an arc rather than resistance welding).
Requires a pre-drilled or punched hole in the top sheet, which is then filled with weld metal to join it to the piece beneath. Key Characteristics and Process puddle welding definition
Sometimes used to fill small cracks or gouges in industrial equipment, as it allows for adding small amounts of filler material quickly. Important Considerations Unlike a continuous bead weld, puddle welding relies
In some contexts, "puddle welding" is used interchangeably with arc spot welding or plug welding , though purists distinguish it by the absence of a pre-drilled hole (i.e., melting through the top layer without a hole). Key Characteristics and Process Sometimes used to fill
The primary use of puddle welding is securing steel decking to floor and roof trusses. It provides a fast, permanent connection that can withstand high shear loads.