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Old 28 November 2014, 16:43   #21
ShK
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What fluxpen would you recommend from eBay for the surface mount soldering?
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Old 29 November 2014, 04:19   #22
Hewitson
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Quote:
Originally Posted by ShK View Post
What fluxpen would you recommend from eBay for the surface mount soldering?
None, I prefer the ones which come with a brush. This is what I normally use:

http://www.radioparts.com.au/product...5#.VHks93V3PMM
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Old 29 November 2014, 05:54   #23
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Which soldering tools?

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Originally Posted by Hewitson View Post
I was taught to solder by people who have been in the industry for decades and they ALWAYS pulled it apart.



I don't see how pulling it apart would affect the rosin core inside the solder. If doing surface-mount work, you should be using a liquid flux anyway.

Breaking solder off has nothing to with thermal conductivity or it acting as a heat sink. Its about ergonomics. Think about it your holding it not far from the end. You would feel it heat up very rapidly if heat was conducting into the roll. In reality it heats up the end and melts off before it conducts much at all.

Thermal braid however does sink quite a bit of heat and conducts it well. To be honest I've seen lots of techs use it straight from the little roll as it gets bloody hot quick and you don't want to be holding it. And you get oil/impurity all over it from your fingers when handling it.

Last edited by Vot; 29 November 2014 at 13:14.
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Old 12 December 2014, 15:25   #24
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It's because the core isn't as malleable as the solder and stretching it changes the ratio of resin to solder.
IPC J-STD would have changed somewhat over decades with technology.
I don't actually know if the girls received that instruction from J-STD or a particular instructor,
but the course was delivered only a couple of months ago, and they all came back with the same information.


Quote:
Originally Posted by Hewitson View Post
I was taught to solder by people who have been in the industry for decades and they ALWAYS pulled it apart.

I don't see how pulling it apart would affect the rosin core inside the solder. If doing surface-mount work, you should be using a liquid flux anyway.
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Old 31 May 2017, 00:30   #25
rare_j
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Well I got that cheap soldering iron out again today and it is completely dead. Reading some reviews of these cheap irons people are basically saying they are single-use items which obviously is insane.
I need to do few soldering jobs:
new headphone plug on some earphones
rgb mod an n64 (using rgb amp)
replace rechargable battery in dreamcast

Can anyone recommend an iron to do these few bits? I don't want to spend a fortune as I probably won't need it again for another six years.
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Old 31 May 2017, 18:19   #26
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For a cheap iron, I recommend an Antex XS-25. I've been using one for many, many years now. It's a nice balance of quality, with good tips available, and price, and comes with a 2.3mm chisel bit which is great for most small-ish work. I use it all the time and the only place it struggles is soldering a large ground plane or something like that, where a higher wattage soldering station would be better able to cope.

Link to the iron
Suitable stand if you don't have one already

Personally I wouldn't go for anything less than that. Not only are the cheaper irons rubbish quality (as yours turned out to be), but they also have terrible tips. You'll notice the difference immediately with how much easier it is to solder with a good tip, and you'll never go back to those awful things again.
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Old 01 June 2017, 01:59   #27
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Perfect, thanks for the advice.
I hope to get into soldering a bit more as I get a bit more time to myself, so this is in just the right price range as well. Appreciated!
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