^ OH! i think i know the answer to this!
anyways, what rod are you using? any pics of the welds?
I remember in welding class someone stuck a R45 rod in a ER70s tube, I didnt really pay attention to the actual rod stamp since i got it from where i always get the ER70s, well every time i dip the filler in the pool, it would leave a huge fish gill style hole behind it every time i dip it.
anyways, how are you sharpening your tungsten?
if you try to flow some metal with no filler, does it do this as well?
are you using a dedicated grinder for your tungsten?
all i can think of really...doesnt seem like its gas related or else your stainless welds would mess up as well.
nope, does it both with rod or just base metal, although seems to do it less with the work metal than with rod
thats the only thing im wondering about, i don't have a dedicated bench wheel for it... guess i'll pick one up and see if that does it... just duno why it would work for stainless and not for mild... mild is supposed to be the easiest to work with!!!!!!
sharpening by keeping the rod at about a 15* angle to the wheel and letting it go red hot while spinning it with my fingers, only takes a second to get a needle tip... or is the heat messing things up by letting the tungsten go red hot on the wheel?
oh, one other thing, it's a cheap harbour freight bench grinder and wheel... deff not a good wheel thinking about it... usually use like Norton Norzon's for stainless with my hand grinders... duno what all is in the HF wheel.... maybe thats what it is... but i've been using it even when welding my stainless exhaust 18ga tubing and it's welded perfectly...
would too much heat do this? like last time i had this happen was around 100a on a 1/16... maybe was too small? the arc was stable though...
sure... rub my face in it beandip...
this was no filler, just a 3/8 grade 8 cap head bolt for retainer on the axle perch, TIG welded it with no problem... it's freekin weird... set to 38a i think?