5-step method for correct soldering with an electric soldering iron
Step 1: Prepare welding materials
For welding, we must first prepare welding materials, such as soldering iron, solder wire, boards to be welded, components, flux and other materials. In addition to the first time, we also need to be able to hold the soldering iron and solder wire, usually with the right hand. Hold the soldering wire in the left hand of the soldering iron, install the components on the PCB, and put them on the table to wait for soldering. Note that the soldering iron will become very hot after being heated for a period of time. Do not touch it with your hands, otherwise it may cause burns.
Step Two: Heating the Soldering Components
After heating the soldering iron, it is best to put the soldering iron in the flux for a while. It would be better if you can add some flux to the soldering point. This will make it easier for us to solder and we will have more experience when welding the integrated patch. Adding flux It does not take long to put the soldering iron into the flux, about two seconds.
Step 3: Add solder wire
After the soldering iron reaches a certain temperature, we start welding. First, put the soldering wire on the pin of the soldered component, then bring the soldering iron close to the soldering wire, put the soldering iron tip on the soldering wire for a moment, and then put the soldering iron on the soldering iron. After melting, the solder can surround the component pins. When soldering integrated chips, be careful not to add too much solder.
Step 4: Remove the solder wire
After the solder melts and drips onto the components to be soldered, most of our work is done. The next step is to wait for the solder wire to solidify, so there is no need to put the solder wire on the soldering area. We should remove the solder in time. Welding area to allow the tin liquid to solidify.
Step 5: Remove the soldering iron
After the solder wire is removed, in order to make the welding more beautiful, we can use the electric soldering iron to re-melt the tin liquid at the original welding position to avoid the phenomenon of virtual soldering caused by insufficient melting of the solder wire. During actual operation, do not hold the soldering iron tip for a long time. Place it in the place to be soldered. If the temperature of the soldering iron is too high if it stays here for a long time, the solder pad may fall off, which may cause the PCB board to be scrapped.
