| [ Total Views: 886 | Total Replies: 9 | Thread Id: 99377 ] |
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DubbyDo
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| posted on October 24th, 2012 at 11:49 PM |
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Bronzing ?????
Stripped the paint and rusty stuff off my passenger door and found this. I've heard of lead wiping/loading and Bog but I've never seen Bronze used
to do car rust repairs. Is it a forgotten art, a frowned upon exercise or just a case of "Hey, lets see if this shit works!!!"
Has anyone heard of this being done? Its done the job of filling the holes but still needs heaps of filler
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HappyDaze
A.k.a.: Greg Mackie
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| posted on October 25th, 2012 at 06:01 AM |
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Bronze welding, or brazing, is used to join steel sections - usually with a 'lap' joint. If there is only a few pin holes, and you only have an oxy
set [no MIG] it would be OK.
The turret [roof] of a Beetle was bronze welded to the front quarter panels, along with a couple of other spots. There is less heat required, so less
distortion
I'd rather wear a Beetle out by racing it than by polishing it!
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L469
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| posted on October 25th, 2012 at 07:27 AM |
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it is easier to grind so some people ,the factory included used it
as a time saver. the 2 metals react causing corrosion . maybe not so ideal .
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matberry
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| posted on October 25th, 2012 at 08:17 AM |
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Yep, seen it heaps but definately corrosion inducing.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE

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DubbyDo
A.k.a.: Dave
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| posted on October 25th, 2012 at 02:43 PM |
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Probably best to cut it out then, don't really want to try and get another door here. Freight just from Darwin is near on 500 
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matberry
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| posted on October 25th, 2012 at 03:19 PM |
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| Quote: | Originally
posted by DubbyDo
Probably best to cut it out then, don't really want to try and get another door here. Freight just from Darwin is near on 500 
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If there are no rust pinholes present, you might just leave it but definately use a good penetrating rust proofing behind the repair.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE

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helbus
A.k.a.: Pete S
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| posted on October 25th, 2012 at 05:02 PM |
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Brazing is not good for panel repairs. The heat and flux used both promotes and accelerates rust.
For joins on cars nowadays on the production line they use MIG Bronze.
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Lucky Phil
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| posted on October 25th, 2012 at 06:35 PM |
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Wyy would a MIG bronze and a properly cleaned up Oxy bronze be any different?
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vwo60
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| posted on October 25th, 2012 at 07:16 PM |
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The flux is the issue, if it is removed there is no problem, same as oxy welding, if you do not remove the scale caused by the welding it will rust
again.
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Lucky Phil
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| posted on October 26th, 2012 at 01:58 PM |
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Exactly!
That's how I repaired the pinholes around the front and rear windows of my HQ many moons ago.
Was all good 10 years later when I sold it.
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