inveter welders

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what do you guys think of them? long lasting like the old transformer welders or are they just another welder to you guys? i found one ill probly get, it can do tig but the company says not very well. say it creates a harsh arc. i read on millers website that the only reason you can get a harsh arc is from the way you sharpen your tungsten. is this true? i coulnt get the pdf to load(only 4.5kb too big  ) if you want i can email it to you.http://datingsidorsingel.com/
Reply:Originally Posted by cheeseclipwhat do you guys think of them? long lasting like the old transformer welders or are they just another welder to you guys? i found one ill probly get, it can do tig but the company says not very well. say it creates a harsh arc. i read on millers website that the only reason you can get a harsh arc is from the way you sharpen your tungsten. is this true? i coulnt get the pdf to load(only 4.5kb too big  ) if you want i can email it to you.
Reply:its from BOC. it is a DC only machine.http://datingsidorsingel.com/
Reply:Well, I can't tell you anything about the machine you are looking at because you haven't told us anything substantial about it yet.But inverters are not new.  My PowCon 300SM must be at least 20 years old, if not older.  Anyone know when these things were made exactly?I've had a Miller Maxstar 140 STR, a Miller Maxstar 150 STH, and still have a Millermatic Passport; all of which are inverters.The only problems I've had with ANY of these machines is the gun on the Passport (because they used the same low-end gun as found on the MM140) and I needed a new $4 potentiometer on the PowCon after I bought it used.  I've had zero problems with the inverter technology, and the ones I have are very smooth, on par with the rectified 3-phase arc on the Miller Trailblazer 301G.
Reply:Ditto on the no problems with an inverter. I own a Maxstar and have worked with several others. Never had a problem, smooth like crazy, quite versatile. It IS a balance based on desired features and price, though the prices are getting a lot closer between increased competition from the far east and the escalating price of copper and steel. Inverters are generally much lighter and much more efficient for a given power, but are less forgiving at the top end. When the inverter tops out, it is topped out. Inverters also tend to have more features, since many features are nearly free once the basic supply is built. For me, the two things that made the extra couple humdred worthwhile were portability and low power consumption. I can run stick  at 150A all day on a 20A 220V outlet, and TIG at 100A all day on a 20A, 120V outlet. For a transformer machine, I would be looking at 10 times the weight, and a 50A, 220V supply.
Reply:Inverter technology has been around for a LONG time.  Not "new" by any means.  Honestly, I figured I was better off going inverter just for parts availability.  Seems as though in another 10 years it will be difficult to find transformer parts, but inverters will definitely be around.  Its not the future, its the present.ThermalArc 185MillerMatic 180 w/ AutosetVictor Cutskill Oxy/AcetyleneThermal Dynamics Cutmaster 38and spite!
Reply:I have 2 in iverters and a couple of transformer machines.  The wirematic 250 is a transformer.  Welds nice, but eats much more power than the V350.  V350 welds smoother, hands down.No problems with any of them.David.  Real world weldin.  When I grow up I want to be a tig weldor.
Reply:In the uk BOC invertors are made by Kemppi Miller is not cheap but you get what pay for.