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Hikaru's diary on learning to solder Hikaru's diary on learning to solder
STORY 5: Soldering must be fun
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Hikaru : I see.
Mr. Fusamura : Now, it's time for your favorite HAKKO DASH.
The board has printed metal (copper). This serves as wiring between individual components. This printed wiring is called the "Pattern". During soldering, put the soldering tip so that it heats both the lead wire and the pattern. Feed the solder after the temperatures of both parts become slightly higher than the melting temperature of the solder. (Photo 3) In this step, you need to feed the solder gradually from the side opposite to the soldering tip.
After soldering is finished, cut off the surplus parts of the lead wires with the nippers. (Photo 4) You may cut off the lead wires before soldering. But this time we'll use the method of cutting off lead wires after soldering. Do you understand?

Feed the solder gradually from the side opposite to the soldering tip.
Photo 3
Cut off the surplus parts of the lead wires with the nippers.
Photo 4

Hikaru : Yes, it seems easy.
Mr. Fusamura : Now you have a try.
Hikaru : Trust me. I'll show you my great technique. Well, first, I bend the lead wires with the long-nose pliers, insert them into the through holes, and then re-bend them. I put the soldering tip on both the lead wires and the pattern, and feed the solder. Finally, I cut off unnecessary parts with the nippers. Finished!
Mr. Fusamura : Hikaru, you are good at soldering although you have little experience in it.
Hikaru : I've practiced many times in my mind.
Mr. Fusamura : Practiced in your mind?
Hikaru : Yes, I've trained myself so that I can do soldering well.
Mr. Fusamura : Yes, you did.
Hikaru : Now, let's do some more soldering. Well, I finished soldering resistors.


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