Anyone know about jewelry soldering?

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Old 07-03-04, 05:10 PM
C
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Anyone know about jewelry soldering?

My wife has a broken clasp on a bit of silver jewelry- a tiny loop broke off, and she wants to know if I can solder it back together. Anyone done anything like this?

Getting a flame small enough from the torch seems like it will be a challenge- would an electric soldering iron work? Would tin solder meant for electrical work do the job? I have silver solder, but it's meant for sweating into pipes, not something as fine as this. I could flatten out the silver solder into smaller dimensions by ball peening it against the vice...

Any thoughts?

Thanks,
Dave
 
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Old 07-03-04, 09:39 PM
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I've been asked to perform the same operation

I briefly researched it to find you need solders specifically designed for jewelery.
You can't use tin based solder for jewelery.

Soldering link 1
Soldering link 2

Let me know if you get the right stuff and try it.
 
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Old 07-04-04, 07:48 AM
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Thanks, Greg

As usual, there's more to it than meets the eye. Thanks for the links- a ton of good info there! In addition to getting the chemistry right, there's the matter of positioning and fixturing these tiny parts, heat sinking to avoid melting existing joints, etc.

Looks like I'll have to get some jewelry solder. I'll post back when I get some results- thanks again!
 
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