135 Fan said: (quoted from post at 03:25:20 02/06/08) Your still using technology from about 1954 as well. Maybe you got a bad flash back then and are stuck in a time warp? Hope you never need a pacemaker as the High Frequency could kill you! Plasma torches are getting away from high frequency and the hottest set up for TIG uses an inverter power source that only needs high frequency for starting the arc on Aluminum and also uses the same pointed 2% thoriated tungsten that is used for welding steel. A high frequency unit on your machine will lower your duty cycle and since your using a welder with a low duty cycle in the first place, you must be doing all your welding with 3/32 rods. A light duty AC current machine even with using a high frequency is no substitute for a decent DC current machine. Most of the better rods are used with DC current. AC and high frequency is not the same. A welder like yours typically will bring about $100 at auction because that's all it's worth. If you only need it twice a year, that might be OK. If you want to actually fabricate things a DC welder would be superior. A welder like an Idealarc 250 or Miller Dialarc 250 will hold its value far better than a cheap buzz box. What is wrong with telling someone who doesn't weld for a living, his welds are good? You're critisizing me for giving sound, straight up advice. By the way, how many tickets do you have? Burned much 1/4 inch 7018 that had to pass X-ray and ultrasound inspection? Or had to tape the stinger on a 4 ft. broom handle to reach inside a vessel to weld a tray in while turning it at the same time and no undercut was allowed? Ever done any gouging? Oh sorry, you need a DC machine for that. Better equipment makes for better and easier welds! Especially for beginners! Nickel and diming may work for you but any real welder would spend a little more to have equipment that makes his job easier and better. I'm surprised you're not using a 110 volt buzz box. They're even cheaper. Whether I first struck an arc in 1920 or last year, makes no difference as long as an honest, educated opinion is given. Given the choice, any experienced welder would choose a better machine than a low end AC buzz box. Even if it cost a little more. A used DC welder like an Idealarc 250 is still superior to a brand spanking new buzz box! If you disagree with my opinions or advice, fine, there's no need to be sarcastic about it. All I said was the facts of the matter. Should I have said the welds in the pictures were horrible? They were pretty decent for 7018. A 7014 may have been easier and smoother but not nearly as strong. A DC welder would be better than a low end AC machine. The DC single phase machines also have AC so then a high frequency could be used for TIG welding Aluminum or similar metals. However, most people on here are never going to do any TIG welding of Aluminum. For steel TIG you need DC and no High Frequency is needed. It's getting like you can't even post good information without someone trying to knock you down. Dave
The thing is .... DAVE .... the guy already has the Thunderbolt and, whether you will admit it or not, he can do a lot of work with it. As for the hi-freq unit reducing the duty cycle I can tell you've never had the cover off of a Mid-States unit .... Right? As for have have I ever ..... how many tags .... etc. I'm not going to put out my resume' unless you're making me a big-bucks job offer. 8)
BY the way - You still did not answer my question: 'Have you ever run the hi-freq over the AC' .... I'll assume that your answer must be NO :oops:
AND - Does my SA-200 qualify as a 'real' welder or is that too 'stuck in the 50s' as well? :roll:
I will admit that you give good information in your posts .... just lightening up on your opinions of different equipment and its' worthiness would help your presentation immensely.
Since I was jousting you a bit I'll let the 'pace maker' thing slide as it obviously was something you felt I didn't know and you were worried about my well-being :? Thank you.
So here we are in a new day and all is semi-right with the world so I wish you a good one. ADMF :wink:
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