Welding

Once the different components of a sheet metal project are cut, punched and formed; depending on the complexity and strength requirements, a suitable joining method has to be selected. Among the various joining methods such as tab joints screw joints, rivet joints; welding produces a more durable and permanent structure. There are several welding technologies that exist, at IMS we use the following methods;

MIG Welding

MIG stands for metal inert gas, which is another term for Gas Metal Arc Welding (GMAW). This is an arc welding process that uses a continuous solid wire electrode which gets fed through a head where the contact tip is electrically charged creating enough heat to melt the wire and create a weld “puddle” that joins the two metal pieces together. It provides a clean finish on a variety of metals and alloys such as stainless steel, aluminum, carbon steel and also used to weld thin gauge sheet metal. MIG welding offers high productivity, produces clean weld finishes,  allows for all-position welding, and minimal cleanup.

MIG Welding
TIG Welding

TIG Welding

TIG stands for tungsten inert gas another term for Gas Tungsten Arc Welding (GTAW). This welding technique like MIG also joins metals by heating them with an arc between a tungsten electrode (non consumable) and the work pieces. TIG is ideal for welding critical joints where small or precise welds are required. TIG can be used to join a wide variety of metals and alloys.

Spot Welding

Also known as resistance welding is a process where the metal surfaces are joined by the heat obtained from resistance to electric current flow. The typical thicknesses of sheet metal used in this welding process ranges between 0.02” to 0.12”.

The work pieces are held together under the pressure exerted by the electrodes. Two copper electrodes are used to concentrate the flow of electrical current through sheets of metal and clamp the parts in place while the spot weld is formed.

The actual spot weld process only takes a fraction of a second, while keeping the Heat Affected Zone (HAZ) low which means the thin gauge metal will not warp.

Spot Welding

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