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  #11  
Old 12-18-2014, 10:24 AM
longyard longyard is offline
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Quote:
Originally Posted by David Gardiner View Post
Frank you should not struggle that much to tack the panel's. If you were here I could show you how to get perfect tacks just about every time. It's not that difficult. Best advice I can give is push the two sections firmly together for the first tack. Have the edges in a cross shape and just tack the area that touches.

David
I've seen really good ally welders do this, and never understood why. I thought the panels were just flopping around. Thanks David.
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  #12  
Old 12-18-2014, 03:56 PM
AllyBill AllyBill is offline
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Hi Guys,

Another cheat I used to use with oxy-acetylene if I couldn't clamp the job was to first weld a couple of small pips to the edge of one of the parts then you can push those against the other part and just fuze them in - bit like having a spot of filler ready and waiting. That works every time.

Will
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  #13  
Old 12-18-2014, 04:42 PM
Frank.de.Kleuver's Avatar
Frank.de.Kleuver Frank.de.Kleuver is offline
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Thanks. Enough tricks to start practicing this weekend. I've also just received new TM super flux and I can't wait to try it.

Greetings,

Frank
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  #14  
Old 12-18-2014, 05:05 PM
David Gardiner David Gardiner is offline
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Another thing that may be causing the edges to burn away like that is the flame. If it is too harsh it will burn away the ally. You should have a large tip with a fairly soft flame. It's possible to weld with all sorts of flames but having it set correctly will make it so much easier. The flame should not be hissing. It should be almost silent.

David
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  #15  
Old 12-18-2014, 05:19 PM
David Gardiner David Gardiner is offline
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Originally Posted by longyard View Post
I've seen really good ally welders do this, and never understood why. I thought the panels were just flopping around. Thanks David.
No problem. I have said this a few times. I repeat myself quite a bit but I know a few people will read it in one thread and someone else may be looking for the same information in another thread at another time.

I presume that no-one reads every thread and that if a person has experience they will just ignore what I say.

David
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Last edited by David Gardiner; 12-18-2014 at 05:22 PM.
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  #16  
Old 12-18-2014, 09:35 PM
Mike Motage Mike Motage is offline
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Great info here! Thanks.
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  #17  
Old 12-19-2014, 02:48 AM
David Gardiner David Gardiner is offline
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Quote:
Originally Posted by David Gardiner View Post
Another thing that may be causing the edges to burn away like that is the flame. If it is too harsh it will burn away the ally. You should have a large tip with a fairly soft flame. It's possible to weld with all sorts of flames but having it set correctly will make it so much easier. The flame should not be hissing. It should be almost silent.

David
I was thinking about what I said and silent was the wrong word but the flame should not be noisy. Definitely no loud hiss. I hope this helps.

David
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