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How to solve the problem that the soldering iron tip does not stick to the tin when the solder wire is soldered?

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Update time : 2022-11-10 18:25:15
In general, why do we often encounter the phenomenon that the tip of the soldering iron does not stick to the tin when we are soldering the solder wire, so how to solve the problem that the tip of the soldering iron is easy to be black and does not stick to the tin when soldering? In fact, there are still many reasons for non-stick tin. We can only find these problems and solve them. If this happens, how should we find the reasons and solutions:
This is usually the case, and we have to consider these seven factors:
1. Consider the quality of the soldering iron itself.
2. If the temperature is too high, it is easy to cause severe oxidation on the tin surface of the soldering iron tip.
3. Do not eat tin on the tin-dipping surface before use.
4. Use incorrect or defective cleaning methods.
5. The use of impure solder or flux in the wire is interrupted.
6. Dry-burning the soldering iron tip, such as: the soldering station is not in use, and the surface of the soldering iron tip is free of tin, which will cause rapid oxidation of the soldering iron tip.
7. Contact with organic substances such as plastics, lubricants or other compounds.
In order to better solve this situation, we can scrape off the oxide layer of the soldering iron tip with a knife to expose the copper that has not been oxidized by air. Then, put it in the rosin box and dip it in, then dip it in tin, and you can use it normally. However, it is not completely removed by this method. At the same time, if it is scraped for a long time, the soldering iron tip will become thinner and affect the heat transfer, resulting in a drop in temperature and even damage to the soldering iron tip. At the same time, if you scrape it for a long time, the soldering iron tip will become thinner and affect the heat transfer, resulting in a drop in temperature and even damage to the soldering iron tip.
Another is to immerse the oxidized soldering iron tip in a container filled with alcohol, and take it out after 1-2 minutes, the oxide will be completely and cleanly removed, and the soldering iron tip will look brand new. There is no corrosive effect on the tip of the soldering iron.
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