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Author Topic:   Welding sheetmetal
67stang
Gearhead

Posts: 1676
From: Lynn Haven FL
Registered: Jun 99

posted 03-14-2003 08:10 PM     Click Here to See the Profile for 67stang   Click Here to Email 67stang     Edit/Delete Message   Reply w/Quote
I was informed that this is the proper place to post this question. So here goes....

Story is: I am trying to weld a patch panel into a trailer body. Due to trailer construction, I can't do it the way I would like and have to but weld it. Now, the patch piece don't fit 100%, and it is not even the same thickness. There are gaps in some places about 3mm. Everytime I try to weld this with my MIG I blow right through it. I have adjusted the temperature setting and line speed so many times it ain't even funny.

V8 Thumper, thanks for replying to my original question. I am using .030, its what I have on hand. Do you think that is still too big?

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james306
Journeyman

Posts: 81
From: falmouth,me,usa
Registered: Feb 2003

posted 03-18-2003 06:46 PM     Click Here to See the Profile for james306   Click Here to Email james306     Edit/Delete Message   Reply w/Quote
i have had my fair share of welding sheet metal with my hobart. i use .030 wire and i usually butt weld sheet metal cause it is quicker than using that special tool. you said you were using a thicker patch panel, so you need to set your voltage and wire speed to weld the thicker patch panel otherwise you wont get proper penetration. you will need to veer your wire towards the thicker panel to properly spread the heat and to not blow through the thinner metal. its hard to explain but you need to weld delicate metal with short bursts, just enough time for the weld to get up to heat then stop. listen to the crackles of the weld as you are doing it, just as the sound starts to smooth into a steady crackle then let off. it gets very time consuming but i have done it alot and it works for me.

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SteveLaRiviere
Administrator

Posts: 35449
From: Saco, Maine
Registered: May 99

posted 03-18-2003 06:58 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
James, are you going to the Bonny Eagle car show this year? It's moved to the Cumberland Fairgrounds, up near you.

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james306
Journeyman

Posts: 81
From: falmouth,me,usa
Registered: Feb 2003

posted 03-18-2003 07:33 PM     Click Here to See the Profile for james306   Click Here to Email james306     Edit/Delete Message   Reply w/Quote
i was planning on it. when is the date?

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james306
Journeyman

Posts: 81
From: falmouth,me,usa
Registered: Feb 2003

posted 03-18-2003 07:36 PM     Click Here to See the Profile for james306   Click Here to Email james306     Edit/Delete Message   Reply w/Quote
oh my bad, sorry. i didnt realize V8thumper had allready answered this question in the other post.

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67stang
Gearhead

Posts: 1676
From: Lynn Haven FL
Registered: Jun 99

posted 03-18-2003 09:55 PM     Click Here to See the Profile for 67stang   Click Here to Email 67stang     Edit/Delete Message   Reply w/Quote
Quite all right James, I appreciate the advice.

I also didn't realize my other post got moved. (it was in Sam's Place)

[This message has been edited by 67stang (edited 03-18-2003).]

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SteveLaRiviere
Administrator

Posts: 35449
From: Saco, Maine
Registered: May 99

posted 03-19-2003 01:36 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by james306:
i was planning on it. when is the date?


It will be May 18th. My understanding is that it's always the third Sunday of May.

------------------
'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150

Please remember our sponsors,
Mustangs Plus, NPD, Osborn Reproductions, MyFordPerformance.com, and FordRamAir.com

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james306
Journeyman

Posts: 81
From: falmouth,me,usa
Registered: Feb 2003

posted 03-19-2003 06:29 PM     Click Here to See the Profile for james306   Click Here to Email james306     Edit/Delete Message   Reply w/Quote
steve, i will most likely be there. if i finish my 306 by then, i will bring my mustang.

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