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AC/DC Welders again

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Mike (Oh)

10-19-2000 20:46:39




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Ok I am not much of a stick welder. If it's not real thick I punch more holes than beads. My only "training" was 28 years ago in shop class.I have gotten better over the years but not much. What I have welded has held but does not look very nice. After reading the responses to Alberta Mike I was thinking about getting rid of my 25 yr old Lincoln AC and get an AC/DC box. My question is for about the same price I can get either a Lincoln or a Marquette. Both seem to have the same features. If you guy's had your choice which way would you go. I would stay with Lincoln just because my old one took alot of abuse and never let me down but I have had other people tell me that they do not make a welder like they used to. But then I never get a good reason why they say that. I do not know if Marquette is a good welder but my company sells them and I can get it 10% over cost which ends up being what Home Depot is selling the Lincoln for if I get their card and get 10% off.
Thanks,
Mike Meyer (Columbia Station,Ohio)

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relay

12-19-2005 14:20:15




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 Re: AC/DC Welders again in reply to Mike (Oh), 10-19-2000 20:46:39  
hello I have aquired an older lincoln 225 buzz box the fan was missing in action but otherwise the unit is in good shape could any one tell me the type of fan motor and blade are required for this unit. Cheers Roger



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chuck

07-14-2004 20:02:27




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 Re: AC/DC Welders again in reply to Mike (Oh), 10-19-2000 20:46:39  
Help! I am handy but not really wise on welding. I won't do much of it, just repairs around the house and shop, probably 1/8 inch to 1/4 inch steel, no really light sheet so I don't need a cadillac--bsides I am 62 years old and I doubt if I can outlive the welder. The question is: I just bought a Chicago Electric 220 Volt, 80/160 AC Welder--it is not adjustable other than changing from the 80 to the 160 post. Got it at a clearance at (sorry) Harbor Freight for $90.00.

I usually buy good tools, but since this is for occasional use thought this might be ok.

Would really appreciate your input and candid opinions. Thanks very much.

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Danny

06-13-2002 22:27:20




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 Re: AC/DC Welders again in reply to Mike (Oh), 10-19-2000 20:46:39  
I am sorry to intrude but I am looking for some info. I have a Lincoln Arc Welder I purchased used and I need a manual does any one know where I might find one Thanks [email protected]



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Mike (Oh)

10-20-2000 22:31:00




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 Re: AC/DC Welders again in reply to Mike (Oh), 10-19-2000 20:46:39  
I want to thank you all. Will stay clear of the marquette machines. Thanks for all the information and have filed and printed it for when I need it.
Thanks,
Mike Meyer (Columbia Station, Oh)



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ltf in nc

10-20-2000 16:05:00




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 Re: AC/DC Welders again in reply to Mike (Oh), 10-19-2000 20:46:39  
I have an 35 years old Lincoln AC welder with infinite control that has an external aftermarket rectifier to convert it to an AC/DC machine. I have no idea as to what the rectifier costs but I could get the info off the box if you are interested. The unit works just fine.



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Willie

10-26-2000 16:42:03




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 Re: Re: AC/DC Welders again in reply to ltf in nc, 10-20-2000 16:05:00  
Yes, please post the info and specs on the rectifier unit. Ya got my curiosity going.



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ltf in nc

10-27-2000 17:56:14




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 Re: Re: Re: AC/DC Welders again in reply to Willie, 10-26-2000 16:42:03  
The box is a Miller product Model TC 150 and has the words D C Converter printed on the front. It has 150 amp rating with a 20% duty cycle. The box is about a foot square and 9 to 10 inches tall. It appears to consist of the rectifier, some type of transformer and a cooling fan. The only connections to the box are the welding leads. I know the fan runs off the voltage on the welding cables as the speed changes as the welder output is varied. It meets my needs as my welding requirements are intermittent and it always works when the need arises. I don't have to concern myself with keeping bottles of gas and clean reels of wire. I seem to be able to meet my needs with this low tech device and some damp 6011 rods.

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Jay P.

10-24-2000 21:58:58




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 Re: Re: AC/DC Welders again in reply to ltf in nc, 10-20-2000 16:05:00  
I weld for a starving and I prefer mig over stick any day. It's faster, cleaner and more cost effective because of less waist. You can change wires and gasses to meet most needs. Miller, Lincoln, and Powcon make excellant machines.



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T_Bone

10-28-2000 02:08:00




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 Re: Re: Re: AC/DC Welders again in reply to Jay P., 10-24-2000 21:58:58  
Hi Jay, We tried those Powcon machines back in 1992 and they just didn't hold up to the Miller machines. The wire feeder boxs gave up too fast and the power supply arc wasn't as stable. Wire machines are just not worth the cost for home shop use too me.

T_Bone



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Steve U.S. Alloys

10-20-2000 05:16:02




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 Re: AC/DC Welders again in reply to Mike (Oh), 10-19-2000 20:46:39  
Hi Mike,
I'd like to pass on something that may help you get better results when stick welding on light gauge material. Push the electrode in the direction of travel rather than pulling. You will reduce burn thru considerably as maximum penetration is realized with SMAW machines when pulled and not when pushed. The diameter of the electrode should be matched as closely as possible to the thickness of the material to be welded. Electrode selection is also key.

In regard to the brand name welders, the biggest difference between the Miller and the Lincoln is in the amperage selector. The Lincoln clicks from one setting to the next and you are sometimes left "between" amperages. One setting is too high and the next lower setting is too cold. The only way around that is to rap the lead around a copper or aluminum bar to reduce amperage at the higher setting. The selector is very durable and is not likely to be damaged unless you make adjustments while welding. The Miller uses a shunt type selector which is infinitely variable. This allows for exact amperage settings. It also has a down side. After considerable use, the shunt may begin to vibrate and move on it's own, changing the amperage setting as you weld.

Miller and Hobart are both owned by Illinois Tool Works but are operated as two separate entities. Lincoln has aquired ESAB.
HTH,
Steve

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Kevin Wallis

12-07-2003 15:14:15




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 Re: Re: AC/DC Welders again in reply to Steve U.S. Alloys, 10-20-2000 05:16:02  
greetings me and my father have just purchased a arc welder. and all me and him have ever welded with is ACand i am wondering if anyone can tell me what the uses of DC+ and DC-.any help will be appreciated

thank you



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Scott Green

10-20-2000 04:07:07




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 Re: AC/DC Welders again in reply to Mike (Oh), 10-19-2000 20:46:39  
I had bought 2 Lincoln AC/DC welders within the last 7 years. Very good little welders. One is at my shop , and the other is at my uncles shop. We have not had any problems with them. I weld everything from band metal(tricky) to heavy steal.Like the other guys said , it takes practice. I do a good welding job for some one who is not a welder by trade. I worked with a factory full of welders. I always wanted to do my own welding , instead of always hiring it out. One day , one of the welders yelled Hey! , come over here. He had two helmets in his hands. He explained what I should do. Then watched and corrected me as I ran my first bead. I was hooked from that day on. Now I do all my own welding. I still don't think I want to weld for a living. It might take the fun out of it.

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Bud

10-20-2000 03:40:32




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 Re: AC/DC Welders again in reply to Mike (Oh), 10-19-2000 20:46:39  
Mike,
Stay with Lincoln by all means please. Marquette is Harbor Freight quality junk. The brand was sold in a lot of auto parts stores a while back. I am a professional welder by trade and Lincoln or Miller equipment is all you'll ever see in my shop. Hobart is OK also as it's made by Miller. Parts are easily and locally available for these machines and they are built heavy to stand up to commercial usage. The particular welder that you are looking at is a good first machine, but do consider a MIG machine if you tend to do light guage welding. The SMAW welder would be a better choice though if you need to fabricate heavier items. It just take practice. T_Bone has some good points about that. Good Luck!

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T_Bone

10-19-2000 21:13:02




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 Re: AC/DC Welders again in reply to Mike (Oh), 10-19-2000 20:46:39  
Hi Mike, Your welding too hot. Either speed up draging the rod or turn your amps down. Your weld puddle is generally best 2 times the rod diameter. 1/8" welding rod would weld good at 1/4" wide bead. Three times diameter you start to get the base metal hotter but not burn thru. Practice is the only solution.

Try this bend a arc in the welding rod about 6" high in the center if you let both ends touch a flat surface and be careful not to break the flux coating. Then put the welding rod in to a rod holder, strike an arc, get a bead going, then lay down the rod holder and don't touch it. It will weld a bead all by it's self and at the correct welding speed. I teach this during welding class and it always amazes the students!!!

If there the same price or close too it I'd opt for the Lincoln. I've never used the other one but you can't go wrong with brand name machines.

Enjoy the new machine.

T_Bone

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