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Arcs out during a weld

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发表于 2021-8-31 22:07:58 | 显示全部楼层 |阅读模式
Anyone ever had this problem??Ocv 92Volts 119Burning 8010 3/16 3rd gear 50 fine current on 12" Pitting it in 4th and going down on fine to about 25 and welds for about a 1/4 of the rod then arcs out.** I restart and ot does the same.* Any ideas??** It doesn't do it when I'm in 3rd running 50.** Burns the whole rod no problem.69 sa 200
Reply:call Lincoln factory process guys and ask them.
Reply:Ok would they be able to help?69 sa 200
Reply:Try this manYou said you can cap good on 150/50 so set the machine to that, put it on high-idle, and meter the OCV at that setting.  Write that reading down....Then...Set it to your other setting of 200/25, meter that also with your voltmeter on high-idle, and write that OCV reading down too..... At this point I shouldn't need to explain anything else to you.  You should then see what your generator is up again at those two settings....  lol30 years ago it was fairly common knowledge that a 200 would probably break arc if you tried to cap with a 3/16" rod on 200/25.  To get a fairly steady arc we knew that we needed to get it up to at least 35 or more.  Below 35 you needed a really smooth machine to cap there (without breaking arc), which most of us didn't have at the time.  On 200/40 most of them were fine "back then"  - - - 30 years ago.   How do you get it so the heat is manageable on 200/40, if its right now on 200/25?  Turn down the rpm's.I'm not making all this stuff up man.  Only telling you what I was told a long long time ago by some pretty experienced welders.  lol When you get up on 200 you're on more of those coils and to get the same heat (in general ... ) you need to lower the welding voltage so it equals the same kilowatts out of the lead.  (amps x volts = watts)  lol.   This lower voltage is what you're seeing (again IMO of course  ).Amps is dig and travel speed, volts is arc characteristics and spray (again IMO  ).   If I were running production beads and hot-passes then I'd probably want that 200/25 to be right in good space,  because I'm going to be in a hurry and I'm going to want the dig and the travel speed that setting should provide me.  I would probably be willing to deal with all the other stuff running there will bring.  But if I were filling and capping for a living then I'd probably want my cap to be more toward 200/50 or even 200/55 (depending on the speed of the firing line I found myself on).  The faster they want to go - then the more I'm got to come up on my rpms and the lower it'll put me on my rheostat..... (remember - dig and travel speed)A wet machine is a fast machine, but it might be hard to handle "for the weak at heart".   Good luck manLaterLast edited by slowhand; 04-17-2011 at 09:33 PM.
Reply:I get it thx a bunch.   Seeing a little clearer now.   I just didny get why I would break arc.   I'm gonna put that theory to use this week.  Thx again slowhand69 sa 200
Reply:That is about the best explanation of voltage vs. Amps while welding. In lay mans terms: bigger rod needs more juice.Miller Pro 30068 SA 20064 SAF 300305 G Lincoln gasserMiller 210
Reply:Hey slowhand can you give me a range numbers wise on volts to OCVs and rpms.  As far as where they should be.   Example: 92 ocv, 120v, rpm 1500Thx again slowhand69 sa 200
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