What to do if the soldering iron head is not tinned
The soldering iron tip is not tinned because the surface temperature of the soldering iron tip is high, and it is easy to oxidize when in contact with air. Once the oxide layer is formed, it is difficult to tin, so we only need to use a blade to gently scrape the oxide layer in this situation. Then use fine sandpaper to polish it, turn on the electric heating after exposing the clean tin surface, and then use solder wire to spread the soldering iron tip evenly, so that the soldering iron tip is wrapped in tin and it is not easy to oxidize.
Precautions for the use of electric soldering iron
1. The soldering iron tip is easily oxidized when in contact with air at high temperature. As long as we keep the soldering iron tip wrapped with tin at all times, we can largely prevent oxidation and avoid the phenomenon of sticking the tip.
2. When the soldering iron is not used so frequently, it is best to hang the soldering iron head on tin, lower the temperature to below 50 degrees Celsius, and then adjust the temperature to a suitable temperature when it is used next time, so as to prevent long-term dry use The tip of the soldering iron is oxidized, and it also prolongs the service life of the heating core.
3. Try to avoid using an electric soldering iron to heat things other than solder wire, such as plastics, etc., because once the soldering iron tip sticks to other materials, it will definitely cause the sticky end to not be tinned.
4. The electric soldering iron is only a heating tool. We should try to avoid using the soldering iron tip to pry the pins of the components, because it is easy to cause trauma to the soldering iron tip. Once the soldering iron tip is deformed, we need to use a file or sandpaper to clean the soldering iron tip. Sand it flat and use it again.
Generally speaking, the maintenance of the electric soldering iron is actually aimed at the soldering iron tip, as long as we usually pay attention to avoiding the dry burning of the soldering iron tip, as long as we ensure that the soldering iron tip is always wrapped with tin, there will be no situation where the tin will not be applied.
