welding rod

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Old 11-19-03, 08:07 AM
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welding rod

what is the best welding rod to use on a small portable welder that is supposed to have an output of 130 watts. I can use the 5/64" pretty good but will the E7018 ROD 3/32" WORK WITH THIS WELDER OR IS IT TO BIG.I HAVE TRIED OTHER 3/32" RODS BUT NOT THE E7018 & WELDER IS NOT STRONG ENOUGH TO WELD WILL ONLY SPATTER & STICK.NEW AT WELDING & FOR RIGHT NOW WILL HAVE TO SETTLE FOR WHAT I HAVE & MAYBE LATER GET A HIGHER VOLTAGE WELDER.THANKS IN ADVANCE FOR YOUR HELP.
 
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Old 11-19-03, 08:21 AM
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Welding machines are rated in amperage. Most have 2 controls, a range and a fine. Having it set so the fine is in the upper limits helps. Now for the bigge, is this an AC machine or an AC/DC or maybe even just a DC? This is crucial to know for choosing electrodes and heat settings.
 
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Old 11-19-03, 09:48 AM
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ac only

Originally posted by sberry27
Welding machines are rated in amperage. Most have 2 controls, a range and a fine. Having it set so the fine is in the upper limits helps. Now for the bigge, is this an AC machine or an AC/DC or maybe even just a DC? This is crucial to know for choosing electrodes and heat settings.
AC ONLY WITH WITH ONE CONTROL THAT TURNS FROM LOW TO MAXIUM. WHAT ARE THE ADVANTAGES OF HAVING ONE WITH BOTH AC & DC. THANKS
 
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Old 11-19-03, 10:55 AM
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Just look at the last number on your electrode:
Zero is cellulose sodium = DC reverse.
One is cellulose potassium = AC or DC reverse.
Two is titania sodium = DC straight and AC
Three is titania potassium = AC or DC both.
Four is titania = AC or DC both.
Five is low hydrogen sodium coating = DC reverse.
Six is low hydrogen potassium = AC or DC reverse.
Seven is iron powder oxide = AC or DC straight.
Eight is low hydrogen iron powder = AC or DC reverse.
 
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Old 11-19-03, 12:03 PM
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welder

Originally posted by NutAndBoltKing
Just look at the last number on your electrode:
Zero is cellulose sodium = DC reverse.
One is cellulose potassium = AC or DC reverse.
Two is titania sodium = DC straight and AC
Three is titania potassium = AC or DC both.
Four is titania = AC or DC both.
Five is low hydrogen sodium coating = DC reverse.
Six is low hydrogen potassium = AC or DC reverse.
Seven is iron powder oxide = AC or DC straight.
Eight is low hydrogen iron powder = AC or DC reverse.
can you please tell me the advantage of having a welder with ac & dc.
 
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Old 11-19-03, 12:21 PM
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The advantage of DC is for puddle control for out of position welding, vertical and overhead. There is also some greater arc stability. Despite 7018 being listed for AC it doesnt work very well and that really applys to huge electrodes, 3/16 and over 200A to reduce arc blow. It is pretty much a DCRP electrode. For your machine 6011 6013 and 7014 may be used. Now, they do make 7018 for AC, Lincoln LH73 and Hobart makes it under the Weldit brand name. Tractor supply stores carry it and it is made especially for AC, operates very well and arc restarts well. Get some in 3/32 and crank that puppy up, most sticking is related to too low current. Does the engine run well so its making the power? When they sit they need the carb bowl cleaned once in a while as gas goes bad so fast anymore and it slimes up making it loose power. Run some stabil in the fuel all the time.
 
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