Solution to the problem of soldering iron tip not getting tin
The reason why the soldering iron tip cannot be soldered is because the surface temperature of the soldering iron tip is high and it is prone to oxidation when in contact with air. Once an oxide layer is formed, it is difficult to solder. Therefore, when we encounter this situation, we only need to gently scrape off the oxide layer with a blade, and then use fine sandpaper to polish it. After exposing a clean soldering surface, we can heat it up and evenly apply the soldering iron tip with a solder wire, so that the soldering iron tip is wrapped in tin and not easily oxidized. Below are some precautions for using an electric soldering iron.
1, The soldering iron tip is prone to oxidation when in contact with air at high temperatures. As long as we keep the soldering iron tip wrapped in tin at all times, it can greatly prevent oxidation and avoid the phenomenon of sticking the tip.
2, When using an electric soldering iron less frequently, it is best to hang the soldering iron tip and lower the temperature to below 50 degrees Celsius. Then, adjust the temperature to the appropriate level for the next use. This can prevent the soldering iron tip from oxidizing due to prolonged dry burning and extend the lifespan of the heating element.
3, Try to avoid using an electric soldering iron to heat things other than solder wires, such as plastic, because once the soldering iron tip is stuck to other materials, it will definitely cause the tip to become stuck and unable to be soldered.
4, An electric soldering iron is just a heating tool, and we should try to avoid using the soldering iron tip to pry the pins of components, as this can easily cause trauma to the soldering iron tip. Once the soldering iron tip deforms, we need to use a file or sandpaper to smooth it out before use.
In general, the maintenance of an electric soldering iron is actually aimed at the soldering iron tip. As long as we pay attention to avoiding dry burning of the soldering iron tip, as long as there is always tin wrapping on the soldering iron tip, there will be no situation where it cannot be soldered.
