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Author Topic:   Mig Welder
posted November 05, 2001 08:23 PM
I'm looking to buy a mig welder and was just wondering how many amps the output needs to be for doing a roll cage without having to stop to often i was thinking like 150.Just wondering what everyone else uses.Thanks

posted November 05, 2001 09:14 PM
150 will be fine if you dont build too many cars at once

posted November 06, 2001 12:59 AM
try to buy one with the highest duty cycle you can afford, i.e. 30% duty cycle=30% of one hour. I just bought a LIcoln 175 plus for building my cage and it works good for me, but I'm not planning on going into prouduction either. Be sure to buy a reputable machine like licoln, miller, hobart,just to name a few. also go for a 220 volt unit if you can. Good luck and have fun.

posted November 06, 2001 02:29 AM
we have a hobart 175 220 volt works just fine for what i need it for

posted November 06, 2001 05:19 PM
Let me state a Miller matic 135 is the new one runs on 110 volts. This is all you need, it welds up to 1/4 inch stuff. The 175 miller is also new but a 220 volt unit that is a little better of the shop.......

You stated you didn't want to stop too often, that has to due with duty cycle.....
like shadowz stated a 30 % duty cycle is 3 minutes welding for every 10 minutes.....
You can't get over about 50 % duty cycle until you get into a high end machine.

If you need more than a 130 amp welder to build a car you need to practice your welding skills. You are rushing the weld and not getting the proper penetration, puddle size,........turning up the welder is a crutch for a poor worker.

posted November 07, 2001 10:37 AM
Thanks For All The Info Everyone.

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