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2010-05-01 04:03:13 (6978 views) This new Chinese soldering iron is not too big but it gets hotter and hotter until you can't touch it and the plastic starts to melt and you have to turn it off. This happens within 5 minutes. It's just a backup found at the local supermarket while we wait to retrieve our soldering equipment from Mr Tang's factory. However, something good came of it... it gets hot enough to make solder stick to our cable and ring terminal. Playing around with it, a very good system for cleanly soldering the ring terminal has been discovered. Here are the instructions we'll give the factory.
As you can see the trick is to immerse the cable in flux but not the ring terminal. Solder tends to enter the space between the terminal and the cable's core and create a super strong bond... instead of sticking everywhere and creating an unsightly thick mess on the terminal's flat surface which would prevent it from making good contact with the pad on the circuit board.
This way the terminal doesn't even need to be pressed, and it looks much neater.
You can pull on it with all your strength. Try it. It's never, ever, coming off.
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