corrosion of soldering iron

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ganzonimx
Hey get your own solder
Posts: 433
(3/17/04 8:38 pm)
 corrosion of soldering iron
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 I'v got just a week ago a new Weller 40W iron, after using it for about 3 hours the tip is corroded and looks like a squirrel had it between his teeth. Is that normal?

Cris
 
HotBluePlates
I only work on Fender's
Posts: 707
(3/18/04 8:26 pm)
 Iron corrosion
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 A lot of soldering iron tios need to be carefully tinned by the user the first time they're heated up.

Irons naturally oxidize the tip when they heat up.

The oxidation and pitting will happen to a greater or lesser extent with all irons. The thing to do is get a file and file away the oxidation and pitting to reshape the tip, and then carefully tin the tip the next time it's heated.
 
ganzonimx
Hey get your own solder
Posts: 435
(3/19/04 11:02 am)
 Re: Iron corrosion
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 Thanks HBP

I'll do that, also it costs me allready the firts 1/4 inch!

Cris
 
James Louie Lewis
Posts: 4
(3/19/04 11:35 am)
 iron corrosion
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 Once you get your iron re-tinned make sure you keep some solder on the tip while your iron is hot and you aren't using it. Also keep a wet sponge around to wipe off that excess solder right before you use it. By keeping
the tip clean with the sponge and keeping solder on the tip when not actually soldering will help tremendously. Always put some solder on the tip before turning off the iron.
 
Tiny Daddy
I will work on all amps
Posts: 559
(3/19/04 11:44 am)
 Re: corrosion of soldering iron
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 I am thinking those Weller tips are copper with some other metal plated on. Usually a bad idea to file those tips. Once the plating is breached the copper dissolves quickly into the solder as the iron is used. I am thinking it's time for a new tip and don't file it.
 
ganzonimx
Hey get your own solder
Posts: 436
(3/19/04 5:25 pm)
 Re: corrosion of soldering iron
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 You are right TD, its copper and actual once the tip got started to show a small defect it started literally to melt down every 15 minutes... might it be also to some (mexican) tin that has a aggressive rosin core?

Cris
 
wayneosdias
Senior tube assistant
Posts: 273
(3/19/04 5:36 pm)
 Re: corrosion of soldering iron
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 thats what happened to mine as well, it looked like the copper was desolving. i got some new tips that had a black coating olong the shaft and not the tip, the first time i fired it up the coating started smoking and burnied off. anybody know what that is?

wayne
 
Tiny Daddy
I will work on all amps
Posts: 561
(3/19/04 6:23 pm)
 Re: corrosion of soldering iron
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 Back in the bad old days when all we had were copper tips, the tip would get pitted and need filing sometimes several times a day if a lot of soldering was being done. A lot of irons, maybe most small irons were Ungar in those days. The tip or maybe the whole element would sometimes come unscrewed from the handle and even fall in your work! Then the "iron clad" tips came along and it seems Weller is the most popular now.
The pitting is just the copper disolving in the solder. There is no cure for it.
 
 
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