For all custom wire baskets, welding is essential to ensure that the basket can meet customer needs. However, welding not only heats and fuses the wires of the metal basket, but also requires more welding. For a given metal form, many different specific welding techniques can be used.
Using the right welding techniques helps ensure that the baskets stay together under pressure. However, using the wrong welding technique can lead to problems such as weak adhesion, corrosion of the weld seam or failure to complete the weld in the first place.
The two most common welding techniques used in US plants are metal inert gas (MIG) and tungsten extremely inert gas (TIG) welding. Both arc welding techniques have similarities, but sometimes one of them may be more useful than the other. So how do you know when to use MIG or TIG welding?
How MIG and TIG welding work
A little confusion is perfectly normal. After all, both MIG and TIG welding processes use arcs to generate heat and connect metal objects. Moreover, both processes use an inert gas mixture to prevent corrosion of the welding electrodes.
However, there are some key differences between these two arc welding processes that affect when you want to use them:
How does a MIG welder work?
MIG or metal inert gas welding is a process of continuously feeding metal wires into the welding to be performed. The consumable welding material of the welding wire acts as a filler material to help connect two metal objects. This process is also called GMAW (gas arc welding).
It is important that the mixed gas used in MIG welding must be different from the mixed gas used in TIG welding. You don't need a completely inert protective gas, such as 100% helium. This is because the arc characteristics of MIG processes involving fillers are significantly different from those in the TIG welding process-therefore, the use of the wrong gas can negatively affect the efficiency of arc welding.
In addition, the MIG welding machine must be properly cleaned after welding is completed. A side effect of using filler materials for welding is that it can cause weld spatter, regardless of the speed of the welding machine. Because spatter can sometimes cause burrs on welded joints, which can cause injury, additional grinding or electropolishing processes may be required to remove these "spatter burrs."
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