Many thanks for the comments guys.
Quote:
Originally Posted by chrisnz
What type of spot welder are you using and what total thickness would it weld?
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It is a locally made Dorman but don't think they are made anymore. The thing weighs a ton and was used to make limousines and funerals cars conversions when I bought it. It runs off a 15 amp power point and don't run well on a standard 10amp point.
I am welding two 1.2mm sheets with no problem at all and have to watch I don't hold the current on for too long as had a few burn holes right through! No timers and amperage adjustment on these but you get the feel for it and watch the colour and HAZ to get good results.