Intricacies of CNC Machining: Making Sense of MIG, TIG and More(cnc g code Wade)

CNC machining is a fascinating universe that embraces several manufacturing processes aimed at creating intricate and precise components. This article delves into some aspects of this vast realm, touching upon differing welding methodologies namely ‘TIG’ and ‘MIG’, perceptions surrounding ‘Chamfer’ Vs ‘Fillet’, and how sheet metal fabrication is achieved within the framework of Computer Numerical Control (CNC) technology.

TIG Welder vs. MIG:

Tungsten Inert Gas (TIG) and Metal Inert Gas (MIG) are two welding techniques used commonly in industries like automotive, construction, or even aerospace. However, each seems to have its unique fitments based on certain factors such as cost, complexity, limitations and versatility.

TIG welding uses a tungsten electrode which is non-consumable to deliver current to the welding arc. For shielding against contamination, an inert gas like argon is employed. It leaves no residue, making post-weld clean up minimal. However, it requires skilled operators due to its complex technique but offers more control allowing for high-quality welds on thinner materials.

Contrastingly, MIG welding utilises a continuous wire feed mechanism directly drawn into the weld puddle. It’s faster, easier to use, thereby ideal for hobbyist or beginner welders. Yet, compared to TIG, it may produce a lower quality weld and isn’t very effective with rust or dirty metals.

Adopting either TIG or MIG method depends on factors such as required precision levels, types of material being handled and the expected end quality.

Chamfer Vs Fillet:

Another interesting facet of CNC machining involves using the chamfer or the fillet tools designed for specific purposes. A chamfer involves cutting away the sharp edges from a piece, converting it into a symmetrical sloping edge. On the other hand, a fillet refers to rounding off square or sharp corners of a workpiece.

Chamfers are often utilised when dealing with components expected to assemble together. It improves fitment and reduces risks of damage during assembly while also enhancing aesthetic appeal. Conversely, fillets increase the strength of parts by reducing stress concentration that often accumulates around sharp edges, thereby making them popular in automotive and aerospace applications.

Sheet Metal Fabrication:

Within the CNC Machining universe, sheet metal fabrication plays an essential role due to its inherent versatility and cost-effectiveness. It involves cutting, bending, rolling, punching and welding sheet metal into desired shapes.

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In modern fabricating shops, these processes have been seamlessly incorporated within automated CNC units capable of operating lasers or plasma cutters for precision sheet contouring. Post cutting, brakes are used for folding along chosen bend lines, resulting in forming 2D structures into 3-dimensional ones. Then, through TIG/MIG welding incorporating either chamfered or filleted edges as needed, the final component takes shape exhibiting high precision quality and design uniformity.

CNC machining provides an incredible level of control and accuracy across distinct production stages encompassing varied practices like TIG welding Vs MIG, considering applying chamfer over fillet, or designing refined products through sheet metal fabrication. Delivering superior results, this technology keeps evolving driving continuous improvement across diverse industrial sectors.

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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.

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