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TIG Welder | | Title: | TIG Welder | | URL: | https://www.weldingsuppliesdirect.ie/ | | Description: | 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.
Welding supplies tricks: how to become a more skilled welder and how to pick the top welding equipment. For DCEN welding on steels, 1/16" will work in the 20 to 100 amp rage as long as you prep it right. If you are using 20 amps, you will need a needle sharp point to get good crisp arc starts. At 100 amps, you might not want quite a needle sharp point or you might be putting a smidge of tungsten in the weld. You need a blunter taper. Some charts extend the range to 150 amps for 1/16, but I think that's way too much. Why not just swap to a 3/32 at that amperage.? 3/32" is good from about 65 - 200 amps. And 1/8" 2% thoriated electrodes are good in the 85 - 300 amp range. ( Drop all these numbers by about 30% for A/C) Using helium mixed with the argon will also change the recommended currents because the arc is hotter with the same amps. These recommendations are from down and dirty experience and don't come from a chart. Most charts I have seen tell you a 1/16 tungsten is good all the way to 150 amps.Please.
Keep in mind that heavy-duty MIG welding often produces a lot of heat, sparks and spatter, and requires a lower degree of dexterity than some other forms of welding. Therefore, using thick, stiff leather gloves that provide a higher level of protection is smart. Similarly, choose leather footwear that covers your entire foot and leaves as little room as possible for spatter to fall along your ankle line. High-top leather shoes and work boots often provide the best protection. Finally, always be sure you have adequate ventilation per OSHA recommendations and check material safety data sheets (MSDS) for each metal being welded and filler metal being used. Use a respirator whenever required by the MSDS. |
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