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Old 03-21-2004, 10:42 PM   #1
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Default Soldering iron tip pits.

I'm using a weller 40wt iron and after a months use the tip has started to pit. I never leave it on more then 5 minutes or so at a time, just enough to solder on my packs or motor. It's cleaned on a moist sponge before turning off. Any way to stop the tips from pitting?
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Old 03-21-2004, 10:52 PM   #2
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You should get a tinning block which will make the tip hold solder very well...always keep a good coat on it and the tip will last forever. Wipe the tip every time you solder something and keep it clean
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Old 03-21-2004, 10:54 PM   #3
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I am using a Weller WP60 iron (w/ light blue handle). I read somewhere in the manual to melt some solder before you unplug the iron. Don't clean it and let the glob of solder stay until the next time you use it. It says it will prevent oxidation on the tip. It works for me.
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Old 03-21-2004, 11:01 PM   #4
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fat doggy,

you can get "Tip Tinners" from such places as Radio Shack and other electronics stores. you basically heat the iron, let it stew in the tinner, wipe and voila, a new, shiney tip! Word of Caution: Don't breathe in the fumes, do it by a fan or an open window.
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Old 03-21-2004, 11:21 PM   #5
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Ahh ok. Leave well tinned when not in use. I'll give that tip tinner stuff a shot too. I've been having trouble with this since I started soldering.

Thanks for the help.
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Old 03-21-2004, 11:25 PM   #6
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You don't need to "re-tin" whenever you use your iron, just be sure to wipe it every once in a while, when your at the track.

For more information about soldering, check out Xtremes online article on their site; www.rc411.com (in the "how to" link).

(does that sound like an advertisement or what?)
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Old 03-22-2004, 04:15 AM   #7
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That article helped.

Cheers.
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Old 03-22-2004, 04:21 AM   #8
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http://www.platoproducts.com/howtotin.htm

If you're using a station that is regulated, leave it plugged in. The on off cycle will wear the tip. Keep the tip tinned. Don't let it oxidize. High temps will cause it to oxidize way faster.

Find a source for cheap tips. i use a weller station, I get tips from www.newark.com, they're like $3 each.
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Old 03-22-2004, 04:24 AM   #9
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spyderx - I don't have a regulated temp and if I leave it on all the time I blow the tips as well as destroying the iron.

Thanks for the source for cheap tips.
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Old 03-22-2004, 06:47 AM   #10
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Quote:
Originally posted by fatdoggy
spyderx - I don't have a regulated temp and if I leave it on all the time I blow the tips as well as destroying the iron.

Thanks for the source for cheap tips.
You can build a simple hi and lo switch for the iron. Just one Diode and a small switch.

I will cut down you tip temp in half while its idle.


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Old 03-22-2004, 06:51 AM   #11
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I personally uses Metcal Soldering System

http://www.midwesttech.com/product/d...3%2D%21MX500S&
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Old 03-22-2004, 07:18 AM   #12
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kit - Is there a good chance I'd be fried using one of these or it will melt. Also what kind of doide would you use?---V

http://www.radioshack.com/category.a...6%5F000&Page=1

And what type of switch?

http://www.radioshack.com/category.a...5%5F000&Page=1

Could I just soldering it all together with 60/40 solder? I don't know jack about 110v work. Also would it get hot or would I need a fan to keep it cool?

Thanks.
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Old 03-22-2004, 07:35 AM   #13
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Catalog #: 276-1101 for Diode should be enough.


Catalog #: 275-634 for the swich.


No, its doesn't get hot at all. What you can do is to build the circuit mentioned inside the soldering stand is you have one.

Drill the hole for the switch.

Your iron will get half of the voltage (half-wave), therefore your iron will operate at the half of the power - when the switch is opened.

You will get the max power to your iron when the switch is closed.
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Old 03-22-2004, 07:46 AM   #14
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komkit - Thanks mate. Should be an easy fix. Last question, the silver strip on the diode should be closer to the switch right? or is it opposite?
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Old 03-22-2004, 07:49 AM   #15
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Oh, I forgot...

It's doesn't matter since you are dealing with the AC voltage.

As long as you put the switch across the diode.
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