where is the heat directed when gtaw with a dc
by johnnie
(chester wv us)
where is most of the heat directed when gtaw with a dc
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johnnie,
on dcen the current flows from the electrode to the work piece like a garden hose. the heat goes into the work.
on dcep, the heat goes up thru the electrode like a vacuum cleaner. thats way the electrode balls or even melts even at low amperage
thanks for the post,
jody
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