Watching welding videos I quite often see a welder tacking up his work using thin ga material. It seems to be a quick blast in one spot and he is off to another area. My question is how is this acheived on a corner joint using 16 ga s/s and only getting a tack the size of a pin head? Is it a quick blast of very high amps or what. Another thing I was wondering would I need to use a smaller tungston than a 1/16th to get such a small tack? We have a product at work that has been out sourced and they use the tiny tacks every inch or two and then smooth out the tack and after graining the corner joint you can barely tell that it was weldedAny help would be appreciated.
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