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The Difference Between AC and DC TIG Welding

April 16th, 2021 No comments

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AC current is used for aluminium and it’s alloys. When electrons flow from the workpiece to the positively charged tungsten during the cleaning half cycle, they remove the oxide layer from the surface of the aluminium by blowing it off from beneath and the gas shield of inert argon prevents new oxide forming thus allowing the molten pool of pure aluminium to fuse.

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Inverter AC DC TIG Welders For Sale Australia | Aluminium | Argon | Welding Alloy

November 14th, 2020 No comments

Customers often call to find out what is the best suited welders for aluminium welding of components together? Are AC DC Tig welders for sale in Australia as good as those from overseas?The answer is yes and you may want to consider an Inverter AC DC tig welding machine for the job. During the GTAW process the polarity of the arc changes and is either removing aluminium oxide from the surface or adding heat to the weld pool. The AC tig welding process is best for aluminium welders and is only slightly pipped by hybrid wave processes that include a DC component.

ACDC Tig welders are best suited for welding aluminium

Hybrid wave welding equipment injects a small DC interlude between the AC welding cycle. When welding aluminium the AC arc is balanced between cleaning and penetrating with the percentages varying based on the operator’s choice. The DC component is 100% penetrating so the overall effect to the aluminium tig welding process is an additional heat input resulting in deeper penetration. The use of inverter welders makes this complicated process much simpler.

Suitability and tig welder choice are always best discussed with our expert staff. The choice you make will everlast and it must be correct. When it comes to AC DC Tig Welders available for sale from us, the team at Tokentools welding equipment supplies is always willing to assist our customers on making the right choice. Call us on 1300 881 991 today.

 

The rise of Weld Cleaner Machines

July 21st, 2019 No comments

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When you look at any market, and specifically long established methods or practices within those markets, the biggest disruptions are born out of occupational health and safety concerns.

The rise in weld cleaner machine use is driven by the dangers of pickling paste use. Now there is a…

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electropolisher, pickling paste alternative, post weld cleaning, stainless steel cleaning, stainless steel polishers, stainless steel polishing, tig weld cleaner, weld cleaner, weld cleaning machine

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Pulse Mig Tig Welder Aluminium Projects At Home

April 5th, 2018 No comments

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Recently Andrew (T) provided feedback on his experience using the Metalmaster Pulse 250P Mig Welder and Elite 215 AC DC Pulse Tig Welder. Andrew shared images of his impressive projects.

“Just a bit of feedback for you guys. I just recently finished this 7.5 mtr Alloy boat Trailer using…

Pulse Mig Tig Welder Aluminium Projects At Home

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Electropolisher Machine Stainless Steel Weld Clean

February 14th, 2018 No comments

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Welding of stainless steels affects the chromium density of the surface which leads to poor appearance and subsequent corrosion when left untreated. There are a few way to clean up post weld and if you do a lot of stainless welding you want to avoid that nasty pickling paste process and invest…

Electropolisher Machine Stainless Steel Weld Clean

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