Howard Electronic Instruments Drag Soldering Video Clip
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Uploaded by shaneeustice on Nov 26, 2007
How to drag solder a surface mount IC with the JBC AD2950Soldering Station, 2245 50 watt hand piece and the 2245-031 drag solder tip.
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Top Comments
All Comments (17)
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@sonofsam717 And just to make it clear, additional flux in only required when the solder is added to the tip of the iron first. If the solder is added directly to the heated joint, then the flux in the solder's core is enough. Though in some situations additional flux can still help, such as when soldering through-hole components on multi-layer boards, the flux core in the solder sometimes isn't quite enough to get the proper solder flow to the opposite side of the board.
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OK thanks for answering my question and then some. I suck @ soldering but I've been practicing and getting better. I have an aptitude for this kind of stuff but have never been in a position where I needed to solder. So I never did. But I'll get good @ it. Thanks again.
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@sonofsam717 Yes, additional flux is necessary. The flux within the solder burns off once you add the solder to the cup tip. By the time you start soldering, the flux that was in the core of the solder is all spent and no good anymore.
If you give it a try, you'll notice that without additional flux you won't get proper wetting, the solder will tend to remain on the tip rather than flow to the pins, and form solder bridges very easily.
The additional flux causes the solder to flow with ease.
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Do I need to use flux if I'm using rosin core solder?
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Of course its flux.
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Is that gluey stuff flux?
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More Good!
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Beautiful!
Penfold8 2 years ago 12