GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

TIG class is pretty dam cool

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Old Jul 3, 2006 | 09:31 PM
  #41  
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Originally Posted by moregrip
I wasn't walking the cup on the lap joints. It's when the cup on the torch touches the weld bead and is used as a guide for your weld pattern.
OK, thanks. I have heard about walkling the cup on root passes when welding steel pipe (like sch. 40). Maybe when you need to weld down in the deep bevel it helps to use the cup as a guide? Tig welding is awesome and this is a great thread to learn more about it!
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Old Jul 4, 2006 | 10:09 AM
  #42  
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you can walk the cup any and all the time i do,the biggest thing you have to remember is no pressure just let the cup rest on what ever you r welding i will try to get a video at work.on some pipe wen we start.

i wish u guys were closer to me i could go help you'll
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Old Jul 4, 2006 | 10:25 AM
  #43  
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for the TIG guys on here, what pattern do you usually weld with?
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Old Jul 5, 2006 | 05:15 PM
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Do you mean pulse settings or direction of wash? I'm sorry I don't know the terms, I'm sorta self-taught with the welder.
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Old Jul 5, 2006 | 05:34 PM
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Originally Posted by Stoichiometric
Do you mean pulse settings or direction of wash? I'm sorry I don't know the terms, I'm sorta self-taught with the welder.
what pattern do you move the torch in? I understand there are several ways, however, I am only being taught one so far.
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Old Jul 5, 2006 | 10:02 PM
  #46  
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well, my fusion welds are getting better, however, I'm sucking hind teet using filler material
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Old Jul 5, 2006 | 11:38 PM
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I usually move the torch in overhand circles holding the torch in my right and filler in my left. When you use a pulser it seems like you don't need to do anything besides advance the torch forward and add the filler in time with the pulses. When I was learning to add the filler at first, I would do good for about an inch and then add the filler to the tungsten, lol. It took me a while to keep everything moving in such a close arrangement without dipping the tungsten the puddle or hit it with the filler. After some time it will start to click.
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Old Jul 6, 2006 | 12:08 PM
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Originally Posted by Stoichiometric
I usually move the torch in overhand circles holding the torch in my right and filler in my left. When you use a pulser it seems like you don't need to do anything besides advance the torch forward and add the filler in time with the pulses. When I was learning to add the filler at first, I would do good for about an inch and then add the filler to the tungsten, lol. It took me a while to keep everything moving in such a close arrangement without dipping the tungsten the puddle or hit it with the filler. After some time it will start to click.
I have a tendency of using too much torch angle so I end up blowing the filler material away somewhat. I don't recall my torch pulsing at all or using that setting(I'll double check that tonight), we use high freq start only, and the TIG 2 step setting.
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Old Jul 7, 2006 | 12:38 AM
  #49  
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For torch movement, I use whatever works at the time. If I do not have enough penetration in the the material, I will move the torch in a series of circles traveling in the direction of the weld. Otherwise, just straight down the line.
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Old Jul 7, 2006 | 12:52 AM
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Thanks Keith.

Pulse is turned off, the rest of the settings I stated above are accurate.

What does turning the pulse "ON" do for you?

I tried a circular motion tonight and the visual effect was much different; more like a stack of dimes then the pattern I have been using turns out.

Filler material is still a little wierd for me. It feels like I get some resistance on the rod up to a point and then the material just gets sucked right in.
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