OMO - welding thin metal - advice please - SV650.org

Nobbylad · 27-08-13, 06:17 PM

The Doris has broken one of her favourite lampshades in the living room. It's one of three and you can't get them, or anything like them anywhere on the planet (or so I'm reliably told

).

So I'm looking for a way of welding the arms or similar. They're very thin metal and I can't think of any way of fixing them other than welding them, but that seems a bit extreme.

Any advice/ideas gratefully received!

flymo · 27-08-13, 06:32 PM

piccy?

maviczap · 27-08-13, 06:32 PM

solder them?

less extreme than welding

I'd successfully soldered a broken fishing rod line guide before, I just heated the joint up by holding the soldering iron near the joint until it was hot enough to melt the solder.

Once the solder melted, I took the iron off & the solder set

The line guide was made out of thin wire

DJ123 · 27-08-13, 06:33 PM

Using a low power Arc welder should do the trick. Is there a local blacksmith/metal work shop that could have a look and advise as to what they recommend?

Bibio · 27-08-13, 07:19 PM

braze with silver solder.

if its really thin don't even think about welding it unless you have a very very good tig or oxy torch.

27-08-13, 07:44 PM

Quote:

Originally Posted by Bibio

braze with silver solder.

if its really thin don't even think about welding it unless you have a very very good tig or oxy torch.

+1, a welder will blow that to pieces, unless a mig on low power and tiny blobs joined together, this takes a lot of time and skill.

Silver solder is much lower temp, or even braze with brazing rods, providing it won't ruin the finish of the item.

TicklinJock · 27-08-13, 08:05 PM

The parts might have been "spot welded" together.

27-08-13, 08:05 PM

If you are still stuck next month, I can lay my hands on some silver solder and an iron with which to use it. Won't be back in your neck of the wood until then though.

Nobbylad · 27-08-13, 08:38 PM

Thanks all. Off to Google silver soldering.

andrewsmith · 27-08-13, 08:56 PM

Silver soldering should be fine. You'll need map gas and a Rothenberger torch.
It's a very fine and strong weld, which is used on air conditioning piping. When I say strong, the systems are strength tested at 32 bar and vac tested to less than 1 Tor

sent from the shredded wheat factory

27-08-13, 06:17 PM	#1
Nobbylad Member Mega Poster Join Date: Jun 2008 Location: West Lancs Posts: 4,055	OMO - welding thin metal - advice please The Doris has broken one of her favourite lampshades in the living room. It's one of three and you can't get them, or anything like them anywhere on the planet (or so I'm reliably told ). So I'm looking for a way of welding the arms or similar. They're very thin metal and I can't think of any way of fixing them other than welding them, but that seems a bit extreme. Any advice/ideas gratefully received!

27-08-13, 06:32 PM	#2
flymo Member Mega Poster Join Date: Jan 2008 Location: North West Posts: 3,124	Re: OMO - welding thin metal - advice please piccy?

27-08-13, 06:32 PM	#3
maviczap Member Mega Poster Join Date: Mar 2007 Posts: 9,096	Re: OMO - welding thin metal - advice please solder them? less extreme than welding I'd successfully soldered a broken fishing rod line guide before, I just heated the joint up by holding the soldering iron near the joint until it was hot enough to melt the solder. Once the solder melted, I took the iron off & the solder set The line guide was made out of thin wire __________________ We're riding out tonight to case the promised land Make everyday count RIP Reeder - Jolly Green Giant and comedy genius

27-08-13, 06:33 PM	#4
DJ123 Member Mega Poster Join Date: Jul 2011 Location: Somewhere over there Posts: 3,245	Re: OMO - welding thin metal - advice please Using a low power Arc welder should do the trick. Is there a local blacksmith/metal work shop that could have a look and advise as to what they recommend? __________________ BMW F800ST

27-08-13, 07:19 PM	#5
Bibio Member Mega Poster Join Date: Jul 2008 Location: here as devil's advocate Posts: 11,540	Re: OMO - welding thin metal - advice please braze with silver solder. if its really thin don't even think about welding it unless you have a very very good tig or oxy torch.

27-08-13, 08:05 PM	#7
TicklinJock Member Join Date: Feb 2012 Location: Highland Posts: 80	Re: OMO - welding thin metal - advice please The parts might have been "spot welded" together.

27-08-13, 08:05 PM	#8
markc123 Guest Posts: n/a	Re: OMO - welding thin metal - advice please If you are still stuck next month, I can lay my hands on some silver solder and an iron with which to use it. Won't be back in your neck of the wood until then though.

27-08-13, 08:38 PM	#9
Nobbylad Member Mega Poster Join Date: Jun 2008 Location: West Lancs Posts: 4,055	Re: OMO - welding thin metal - advice please Thanks all. Off to Google silver soldering.

27-08-13, 08:56 PM	#10
andrewsmith Member Mega Poster Join Date: Apr 2010 Location: Newcastle upon Tyne, Just south of salad dodging country Posts: 7,750	Re: OMO - welding thin metal - advice please Silver soldering should be fine. You'll need map gas and a Rothenberger torch. It's a very fine and strong weld, which is used on air conditioning piping. When I say strong, the systems are strength tested at 32 bar and vac tested to less than 1 Tor sent from the shredded wheat factory __________________ RIP Reeder 20/07/1988 - 21/03/2012. Always missed squire!!! Every year we meet old friends, gain some new ones, lose old ones and you always remember them all. “Live as if you were to die tomorrow. Learn as if you were to live forever.” Mahatma Gandhi

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