Im working on a 66 Dodge Dart. Its a 270 model and it had a section of chrome trim that started at the back and ran all the way to the front. Each piece was mounted with clips that fit into holes that are about 3/16" to 1/4" round. I had originally punched small circles of body metal and glued them into the holes using the 3m 8115 bond. Now Im being told that thats not a good decision. Some say to weld each hole shut but thats probably about 60 plus holes and I dont want to werp the panels with heat. So my question is what is the best way to fill these holes as I am eliminating all side trim.
Thanks Rodney
Filling trim holes
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Non-Lurker
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Joined: Sun Jan 18, 2015 11:37 pm Country: USA |
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use mig with .023-.024 wire, if you can, back up the hole with a piece of copper, jump around , and you won`t warp
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* Banned *
Posts: 496
Joined: Sun Dec 02, 2012 11:33 pm Country: USA |
You cannot weld without shrinkage, or warpage as many call it. Heat shrinks metal....period. It cannot be avoided but only controlled by proper technique. Planishing a weld after smoothing both sides will stretch the HAZ area and result in a surface that requires very little filler or any at all. Other sites besides 101 will provide one with advanced techniques.
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LOL
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Top Contributor
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Joined: Tue Sep 16, 2008 1:17 pm Location: Pahrump NV. Country: USA |
I use the Method Scott is Talking about
Norunz You can use a Heat sink behind the metal like you say but its a band aid or a Poor mans Training wheels that results in a COLD weld which will crack when Planishing. If your running a long bead all at once and going to keep a lot of heat going fine but if your just doing a hole here and there I wouldn't. Seriously If you want some good advice use some Silicon Bronze filler rod and a gas or Tig to weld them up. Or if you really have to use a Mig use it with Easy grind wire by ESAB to weld it, easier to grind easier to planish out. Dennis B.
A&P Mechanic, FCC General radio Telephone Operator Line Maintenance A&P Mechanic and MOC Tech specialist. |
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