Posted by forty40 on July 29, 2013 at 09:02:12 from (74.77.12.246):
In Reply to: AC-DC welder posted by KEH on July 26, 2013 at 09:37:26:
keh...If the consideration is a small Lincoln AC/DC 225/125 buzz box which has an open circuit voltage less than 80V, electrodes such as E7018 with iron powder in the covering will be hard starting. E7018 can be used, but welding will be frustrating because the electrode easily sticks fast to the work piece due to the low OCV. Operating characteristics will not be those of an Idealarc 250, an inverter, or the typical Pipeliner motor/generator. However, DC will produce a smoother arc with less spatter than AC and welds just fine with 6011 or 6013.
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