In article ,
spamme0 wrote:
I'd like to hear more about the welder design.

I messed around with low-voltage transformers, but never
got consistent welds. Was VERY sensitive to contact
resistance. About half the welds didn't stick.
The other half blew thru the tab.

Think like all spot welds you need the correct current for the correct
time.

--
*Don't sweat the petty things and don't pet the sweaty things.

Dave Plowman London SW
To e-mail, change noise into sound.