Soldering Iron Soldering Skills
1. The power of the soldering iron should be determined by the size of the soldering point. The area of the soldering point is large, and the heat dissipation speed of the soldering point is also fast, so the power of the soldering iron should be larger. Generally, the power of electric soldering iron is 20W, 25W, 30W, 35W, 50W and so on. It is more appropriate to choose a power of about 30W.
2. Choose solder wire with low melting point and non-corrosive flux, such as rosin. It is not suitable to use industrial solder and corrosive acid solder oil. It is better to use solder wire containing rosin, which is very convenient to use.
3. The amount of solder on the soldering point should not be too small, if it is too small, the welding will not be strong, and the mechanical strength will be too poor. And too much is easy to cause a lot of appearance but not connected inside. The solder should just submerge all the component leads on the soldering point, and the outline should be faintly visible.
4. When soldering, the temperature of the electric soldering iron should be higher than that of the solder, but it should not be too high. If the soldering time is too short, the temperature of the solder joints is too low, the solder joints are not fully melted, and the solder joints are rough and easy to cause false soldering. On the contrary, the soldering time is too long, the solder is easy to flow, and it is easy to cause the components to overheat and damage the components.
