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Unique Solutions with High Purity Tungsten Welding

by Jan 8, 2019Welding

High-purity welding technology is growing exponentially, and one of our main goals is to stay on top of the advancements. Axenics’ team of experts is constantly learning in an effort to stay on the leading edge and provide unique welding solutions to our customers, while also helping them to stay efficient and on budget.

Think of the frequency in which a new version of your cell phone is released to give you an idea of how quickly the technology changes when it comes to high purity welding. That’s why we make regular, certified updates to our machinery. It’s exciting to experience those advancements in-house.

There are literally hundreds of types of welding that can be performed, though we find tungsten inert gas (TIG) welding to be one of the most-beneficial to industries such as medical device, semiconductor and aerospace, which is why much of our energy is focused on that particular branch of welding. TIG welding is also known as gas tungsten arc welding (GTAW).

What is TIG or GTAW Welding?

Due to its intricate nature, TIG welding is one of the most-challenging to master, but its results are worth the effort, said Brian Thessen, who has been performing TIG welding with Axenics for more than three years. TIG welding produces the highest-purity and highest-quality metal welds. Axenics uses argon as its shielding gas when performing TIG welding. An inert shielding gas such as argon is used to protect the electrode from getting contaminated.

TIG welding adheres metals with heat provided by an arc created from a tungsten electrode. The arc develops heat to melt a base metal. When an arc and weld pool are created, heat is applied to a joint with the arc actively melting the areas of metals that will be fused. If used, filler wire is usually added to the leading edge of the weld pool to fill the joint. The quality of the tungsten electrode greatly affects the stability of the arc.

“We are seeing improved tungsten selections coming out, which really aid in the conduction of electricity, and ultimately strengthen the weld,” Brian said. “Better tungsten allows for more smoothing of the arc, which makes it easier for me to create a higher-quality weld. Tungsten is becoming more useful in multiple applications.”

The refinement of the arc offers improvement to the act of coalescing the metals together. The before and after of the welding process is not nearly as important as the actual moment in which the two metals are melting together, Brian added. Advanced tungsten resources are going to continue to improve the already high-quality results of TIG welding for Axenics’ customers.

Axenics has a deep knowledge of Gas Tungsten Arc Welding (GTAW), a.k.a. Tungsten Inert Gas or TIG Welding. Production challenges solved with welding. Get the free guide here.

Why Use TIG Welding?

While TIG or GTAW welding can be challenging to master, it’s highly versatile, as the process can be used to join almost any metals.

Reasons to consider TIG welding as a solution include:

  • TIG welding avoids the spatter that often happens in other arc welding processes.
  • TIG welds are essentially defect-free.
  • Depending on the desired application, TIG welding can use filler metal.

The improvements made in TIG welding are allowing those who perform it to take on more refined weldments. This is going to be very important in the advancement of semiconductors that are placed in medical devices. They are growing tinier, while increasing their functionality at the same time.

“For instance, when I am welding ⅛-inch-diameter welds, you really need to have a fine-tuned welding machine that is built to go extremely small. It has to be of the highest quality. It can’t go too hot or that will destroy the intent.”

Brian shared the analogy that there are a lot of tactics for welding, just as there are a lot of humans who are able to run. But, 99.9% of us are never going to be able to run fast enough to get into the Olympics. That’s the caliber of welds produced with TIG welding.

High-quality welding excellence is maintained by keeping up to date on the precision advancements that are regularly becoming available. Give Axenics the opportunity to solve your next welding challenge with TIG welding.

Here are 10 Must Ask Questions Before Choosing A Welding Company

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