really dumb tig question

It occurs to me that I have no idea if I should regularly change the cup on
my Tig torch, or even clean it. So, what is the maintenance regime for Tig
Potentially the dumbest Tig question I have every heard of, but then again I
don't know the answer...:(
Thanks, Brian
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You change the cup if it gets too dirty or you drop it and it cracks. Modern alumina cups are quite strong.
I find the biggest danger to cups for me is welding dirty metal. POP and molten metal jumps up inside the cup, and often welds the collet body to the cup.
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Ernie Leimkuhler

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