Scratch Start Tig Sheet Metal

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Scratch start tig sheet metal.

Hotter puddles allow for faster travel speeds and a better overall experience. Tig power supplies many times come with a feature called a high frequency start. Troylee feb 4 2010. Dec 19 2003 posts.

If you are welding with inadequate amperage it is really hard to start your puddle let alone feed filler rod. Automatically works in two ways either through a button on the tig torch or a foot pedal. That machine will weld scratch start tig with a torch hooked up but the minimum amperage of 30 amps is too hot for some small work and thin metal. 02 05 2014 01 45 pm.

Tig high frequency start vs. Lowest setting is to hot for me at least. Once the tig torch is activated the high frequency start feature will can literally create an arc across a one inch gap between the tig torch and the metal. Manually typically works once the welding unit is turned on and striking the metal with the tungsten to ignite the arc.

For thin sections and sheet metal. You will still need ac hf last edited by h80n. Subscribe for new videos every monday and friday. Scratch start tig aluminum.

But i m not perfect. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Speaking of which i still need and o a setup haha. He asked that we demon.

This being said tig is capable of welding some very thin metals it is not uncommon to bump down to 50 amps for extremely thin sheet metal. Since you need high frequency ac to weld aluminum i don t think you will have much luck with scratch start. Assuming my mig using 025 wire couldn t. There are few ways that can allow you to start the arc of the torch.

This eliminates the need to physical strike an arc. Hand operated is a simple button located on the tig torch. I used a scratch start tig setup for years before i got a dedicated tig and it was great for steel and stainless steel. And i know that some pieces may be really thin sheet metal and i wonder if a scratch start tig setup would be worth investing in.

Two suggestions 1 scratch the torch to the work like you re stroking a cat 2 make yourself a holder out of sheet metal to hold a motor brush the carbon bit that rubs on the rotor use a decent sized one like you d find in a 9 grinder big drill etc.