Top welding advices: how to become a better welder and how to choose the best welding equipment. 2% thoriated tungsten electrodes are mildly radioactive: Word on the street is that 2% thoriated tungsten electrodes are mildly radioactive. They say deer meat is too. No one gets out alive. Good news though…and it’s not just that I saved a bundle on my car insurance by switching to GEICO.. I have learned through testing a bunch of arc starts and by welding on all different metals that 2% lanthanated electrodes are about as good as the 2% thoriated. I even like the lanthanated a little better for some applications. So if you are scared of thoriated tungsten but you are even more scared of crappy electrodes that don’t work as well, use 2% lanthanated…they are colored blue. One word to the wise here. The blue ones are not brittle like 2% thoriated electrodes. And they splinter if you try to break them or snip with dykes. You have to cut or score with a grinder in order to cut to size or cut off a bib blob of metal you don’t want to sand off.
Put a glove, block of wood, folded up heat resistant cloth or something non-conductive on the welding table to rest your arms or elbows on and to protect your arms from shock hazard: Do you enjoy getting shocked? Me neither . tig welding aluminum with your high frequency switched to continuous means that the high freq is always looking for a path to follow. So even resting your forearm on the metal table can let that high frequency current bite you just when you least want it, like right when you are near and edge and you are being extra careful not to melt the edge away and then ZAP!. Who needs that? Put a glove, block of wood, folded up heat resistant cloth or something non-conductive on the welding table to rest your arms or elbows on and to protect your arms from shock hazard. Also do whatever it takes to rest your torch hand on a steady object. Again, a block of wood, a balled up tape ball etc can all be used to give you something to rest your torch hand on.
Make sure everything is ‘squeaky’ clean. TIG welding is not tolerant of any contaminants. Be sure to clean your base metal with a good degreaser, BEFORE you scrub it with a dedicated wire brush. Do not use the same brush on different kinds of metal. Wipe the filler rod down with degreaser, too. Get comfortable. Whenever possible, I like to be seated when I’m welding. Even in situations where sitting isn’t possible, any little adjustments to my stance or body position that make me more comfortable will have a noticeable effect on the weld.
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Following some simple tips can help you take your MIG welding operation to the next level and ensure you are as safe, efficient and professional as any other shop. Welding helmets, gloves, close-toed shoes and clothes that fully cover exposed skin are essential. Make sure you wear flame-resistant natural fibers such as denim and leather, and avoid synthetic materials that will melt when struck by spatter, potentially causing burns. Also, avoid wearing pants with cuffs or shirts with pockets, as these can catch sparks and lead to injuries.
