The solid core needs the assistance of flux during welding, because there is no flux in this type of solder wire, hence the name
solid core solder wire. The flux used for soldering with solid solder wire is preferably a combination of rosin and a small amount of activator, similar to the type of flux in ordinary solder wire.
No matter what kind of welding process, temperature is an important influencing factor, whether it is high or low is not conducive to the welding of solder materials. For solder wire, during the soldering process, the temperature of the electric soldering iron is kept at 50°C, which is the best soldering temperature, but it must not exceed 100°C.
When using an electric soldering iron to solder solid core solder wire, the most important condition that needs to be controlled is the temperature, so you can choose an electric soldering iron that can adjust the temperature. Before soldering, you must first measure the temperature of the soldering iron tip, and then confirm that the temperature is suitable. Welding is ready.
If solid core solder wire welding is carried out in a tin furnace, when the welded part leaves the surface of the tin liquid, the wetting effect of the flux can be used to allow the excess tin liquid to flow down the pin, so as to avoid continuous welding and pointed.
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