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hello,I'm happy to join the forum!. I know that many people like to choose their machines for all sorts of implements, but most have sufficient electrical service. One day in the future, I plan on getting a 240 V 60 amp subpanel in the garage. Unfortunately it is not in the cards right now. I do not have the extra space for large gas cylinders for oxyacetylene. I would also like to do this outside for better ventilation. This is the reason why I am leaning towards using stick welding at a recommendation from my former coworker. I vaguely remember him saying that stick welding requires slightly less electricity than mig. he was also a big stick welding fan for learning. The answer to the question of what I my welding? Mostly simple projects in the shop, mild steel, none with required very High safety factor. low duty factor on the welder. Small custom parts. nothing stronger than a steel support for a workbench. ideally, I do not envision any Other parts being thicker than a 1/4" plate. 3/16 inch will probably be more common.I suppose I can go with an eight of an inch. of course none of this might be possible without getting a subpanel. But I'm having a little bit of difficulty finding The correct information of are there machines that run on this 240 V, 15 amp? safely? What is the maximum thickness of plate of mild steel that can be welded using my power? my gut is telling me SOL. Thank youLast edited by metreek; 06-03-2021 at 03:04 PM.
Reply:You should be good for close to 140-150 amps of output with a stick inverter. The Esab 180 rouge will do the job at around 650$. There are lower cost inverter machines but many don't have the power factor correction to output decent power at low input current.
Reply:What makes you think your limit is 15 amps? I have never heard of a 240 volt/15 amp circuit in the US. What country are you located in?
Reply:15 X 240 is 3600 watts. That is not a lot of energy. I am not aware stick welding requires less energy than MIG.Inverter welders make more efficient use of power than transformer welders. In example: I had a 310 amp transformer TIG welder. It peaked out at 105 amps input. I now have a 280 amp inverter square wave. It produces nearly as much energy. It peaks out at 37 amps input.You will be limited with 15 amps at 240 volts, but you will do more with an inverter.An optimist is usually wrong, and when the unexpected happens is unprepared. A pessimist is usually right, when wrong, is delighted, and well prepared.
Reply:Originally Posted by M J DYou should be good for close to 140-150 amps of output with a stick inverter. The Esab 180 rouge will do the job at around 650$. There are lower cost inverter machines but many don't have the power factor correction to output decent power at low input current.
Reply:With stick your pretty much unlimited. You will need multiple passes or additional beveling for thick material. 140 amps will let you run an 1/8" 7018. On structural steel, the unlimited thickness test is typically 1/8" 7018. If you put in the correct bevel you could weld 2" or thicker steel. Of course it would take forever and require countless passes, but it COULD be done
Reply:Edited, I misread At that voltage/amperage, if indeed correct, would allow for quite a bit as MJD said. Once you eclipse the 125A threshold where 1/8" 7018 likes to run most of the time, there is plenty of opportunity. 6011 will easily run, even 5/32" if you need a forceful, digging arc for deeper fusion, and 1/8" 7018 for a nice smooth bead if you don't need the forceful dig of a 6011/celluose rod.Last edited by Oscar; 06-04-2021 at 10:34 AM. 1st on WeldingWeb to have a scrolling sig! HTP Invertig 400HTP Invertig 221HTP ProPulse 300HTP ProPulse 200 x2HTP ProPulse 220MTSHTP Inverarc 200TLP HTP Microcut 875SC
Reply:Originally Posted by OscarThere is no way he is getting anywhere near 140A on a 120V / 15A circuit. Not even on a 20A circuit. A 20A circuit would allow perhaps on a super efficient inverter, about 105-110 amps maybe, but most are near 90-95 A.So all is not lost because 6011 will most definitely work with lower amperage levels.
Reply:Originally Posted by M J DNo kidding, maybe you could make a spreadsheet. |
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