Decoding CNC Machining: MIG Vs TIG & More(snap fitting Myra)

Computer Numerical Control (CNC) machining is a widely used manufacturing process that involves using computers to execute and control the movement of machinery. These machine tools can be anything from millers, grinders, routers to various types of welder such as TIG(MTAW) and MIG(GMAW), which are often employed in sheet metal fabrication.

Now, to fully understand this high precision method and realize its best possible use in your production line, we need to grasp some concepts related to it – namely the difference between TIG welding vs MIG welding and chamfer vs fillet.

Let’s start with Tungsten Inert Gas (TIG) welding versus Metal Inert Gas (MIG) welding. Both forms of welding have their advantages, applications and require different level skills, making them quite distinct despite being core operations within CNC machining processes.

TIG Welding provides the utmost accuracy, resulting in aesthetically pleasing, clean welds favored for detailed craft work or instances where precision is paramount. It uses a tungsten electrode to generate heat, and an inert gas (typically argon) shields the area to avoid contamination from atmospheric gasses. However, this type of welding requires considerable expertise and time investment.

On the other hand, MIG welding grants faster production times at the expense of lesser aesthetic quality. It utilizes a wire feeding gun employing continuous usage of filler metal. This makes it easier to learn and operate, providing adequate results for many applications requiring less intricate detailing as in comparison to TIG welding.

These two methods signify the perfect illustration of diversity offered by CNC machining when approaching jobs needing varying levels of tool performances.

Moving on, let’s discuss chamfer vs Fillet, terminology often met along the journey into CNC machining. When shaping materials during any manufacturing process, including CNC machining and sheet metal fabrication, these terms define two different ways to transition between two surfaces.

A chamfer is a transitional edge between two faces of an object, usually created at a 45-degree angle. It can be produced by any cutting tool that can turn the material outwards, like a drill or lathe in CNC machining. Chamfers are used to facilitate assembly, remove sharp edges for safety, and improve aesthetic appearances.

In contrast, a fillet is a rounding off of an interior corner. During the sheet metal fabrication process, this involves blending sharp edges of a part into smooth arcs. Fillets aid stress reduction on parts by distributing stress over a larger area instead of letting it concentrate at sharp corners. This drastically enhances the life and durability of components manufactured through CNC machining.

snap fitting, what is cnc, torsion snap joint
Overall, whether deciding between TIG welding vs MIG welding or considering whether to use a chamfer technique or apply a fillet within your production needs, remember – each method, tool, and strategy has its defined pros and cons.

CNC machining’s flexibility allows you to choose materials, methods, and finishes based upon your specific project scope and requirements. The real trick lies in understanding the intricate details behind these decisions – then aligning them with your own objectives for optimum results.
So keep learning more about your tools and technologies because, as they say, “knowledge is power”.

Want.Net Technical Team

Want.Net Technical Team

The Want.Net Technical Team has diverse members with extensive education and training in CNC machining. They prioritize precision, efficiency, and innovation to provide high-quality manufacturing solutions globally.

Push Your Order into Production Today!

Table of Contents


You’re one step from the  factory-direct price of part manufacturing services.