Re: SER1 >> Spot welding aluminium

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Thanks Michael,
Yes I have a spot welder, however, I suspect a
non-corrosive flux must be used to prevent the metal
oxidising while it is molten. Any ideas?
Charlie
--- Michael Carradine <mc@xxxxxxxxx.xxx> wrote:

> 
> Hi Charley,
> 
> I see no one has yet picked-up this subject on the
> Series1
> mailing list.
> 
> Spot welding is done by a special machine that looks
> much
> like a giant stapler, except the arm is a pointed
> electrical anode
> closing in on a flat base.  You lay your two pieces
> of metal
> together, bring down the pointed anode (usually with
> a foot
> pedal), and when it touches the metal an electrical
> surge
> shoots through everything - spot welding the metal
> together.
> 
> However, you may be referring to puddle welds.  This
> is
> where one metal layer has holes punched that is laid
> over
> a solid sheet.  The punched holes are then filled
> with metal
> welding the two sheets together.  Often the holes
> are filled
> leaving only dimples in appearance.
> 
> Michael Carradine
> Near San Francisco, a mere 12'000 miles from AU
> 1950 80" RHD ex-MOD
> 
> 
> At 01:09 AM 9/9/2005, you wrote:
> >The tailgate on my 80" resembles a horribly mangled
> >autumn leaf, so I thought it would be fun to
> fabricate
> >a new one.
> >
> >Can anyone tell me how, or give some good
> references
> >which I can read, which tell how to spotweld
> >aluminium? I have tried in the workshop with poor
> >results so far. If Landrover can do about a million
> >welds a day it can't be that hard. I don't want to
> use
> >rivets except where they should be used.
> >
> >Incidentally, is a 1953 tailgate the same as a 1951
> >version?
> >
> >Cheers Charlie
> 
> 
> To change subscription see
> www.landrover.net/series1/mail
> 
> 



	

	
		
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