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Sheet Metal Workshop Welding: An introductory Guide


Welding processes can be quite complex, and it is no different when it comes to sheet metal fabrication. In this article, we will give you an introduction to the different welding methods that you may come across in a sheet metal workshop. In a future article, we will explore in greater detail the benefits, limitations, and potential uses of each method.

Spot welding involves compressing two sheets of metal together and then applying pressure and heat with copper electrodes to create a weld bead that joins the pieces.

Tack welding is a temporary welding process that is used to hold sheet metal parts in place until they can be permanently welded together. This is a common method of assembly and part preparation.

Fuse welding is achieved by heating two surfaces until they fuse together, with or without filler material.

Stitch (intermittent) welding involves applying short sections of weld (between 25 to 50 mm in length) spaced along the connection between two parts. A filler rod is typically used.

Plug welding involves filling a round hole or groove with a weld bead to join two parts or surfaces.

Seam/fillet welding is one of the most commonly used methods, and it can be achieved through arc welding, which uses a filler rod to create a continuous weld along the joint.

MIG welding is an arc welding method that is commonly used on large pieces of thick material. The electrode is a continuous, coiled wire that passes through a welding gun.

TIG welding is an excellent method for precision parts. It uses a tungsten electrode, and hand-added filler metal can be used to create the weld.

Understanding the basics of each method can help you determine which one is best suited for your project.
    Moravce, Gorenjska - si

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