Do you support welding machine companies?
12:59 AM, 13.4.2010
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| Do you support welding machine companies?
One of the things you learn if you have a small Miller Dynasty 200 a/c d/c inverter Tig welder is how to do welding on thick aluminum castings with less amperage. I have had the opportunity to weld with two really popular Tig welding inverters that are capable of Tig welding aluminum using 115v or 230v power; the Miller Dynasty 200dx and the Lincoln Invertec v205t. Both machines are high quality power sources but both of these welding machines are limited to around 200 amps output. Being limited to 200 amps makes you weld smarter not hotter. Instead of just setting the amperage to 275 and plowing ahead like you would on a heavy duty Tig Welding Machine, you have to use your head. Preheating thick aluminum parts is a proven way to reduce the amperage required to weld. But when you are in your garage and do not have access to a heat treat furnace or oxy-fuel torch, We are exporting PPR fittings and ppr pipe fittings,how do you preheat? Well, here are a few tricks I have learned:
Use a gas grill. But make sure the aluminum part to be welded does not contain anything harmful that is going to taint the burgers you might want to cook next week. (It would actually be a good idea to have a cheap grill dedicated for preheating aluminum parts)I have welded with Miller, L-Tec, Linde, Lincoln, Hobart, and even JC Penney welding machines.
Honestly, if someone were to paint them all black, I am not sure I could tell some of them apart by the arc (The JC Penney one, I definitely could tell). But the .stomer support thing, thats what makes the difference. If I have a problem with a machine that is still under warranty, I dont get some jerk on the phone asking me what I did wrong. What I do get is the Miller Welding Rep making sure my machine gets picked up and sent to the repair shop and returned to me good as new.
I have heard some stories about the .stomer support of other welding machine companies. I have also heard that most of the big welding machine companies are stepping up to the plate now. But Miller set the bar.
Wrap the part in aluminum foil and place it on the stove on medium heat until the heat conducts through the part. (About one or two beers later the part will be warm enough to weld) | |
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