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Edit this Article. We use cookies to make wikiHow great. By using our site, you agree to our cookie policy. Cookie Settings. Learn why people trust wikiHow. Download Article Explore this Article parts. Tips and Warnings. Things You'll Need. Related Articles. Article Summary. Part 1. Use rosin-based flux for electrical soldering.
If you need to remove oxidization from wires, a rosin-based solder is your best bet. As most electronics use more fragile, thinner wires, anything too corrosive may risk damaging them and shorting your circuit. Find a rosin-based solder at your local hardware store when working with electronics. Go for an acid flux when soldering pipes. If you're working with something bigger than electrical wiring, such as copper piping, you'll need something more corrosive.
Acid flux or tinning flux will remove larger areas of oxidization and give you a much stronger soldering job. The powder will melt with the flux and help fill the inside of the pipe you are soldering, making it more waterproof and longer-lasting. Opt for leaded solder when working with electronics. Leaded solder will melt at a lower temperature than other types, which makes it better for delicate electrical wiring.
Ask at your local hardware or electronics store for leaded or electrical solder and you should have a small variety of types to choose from. It is more environmentally-friendly as it doesn't contain lead, but also will not hold quite as strong. This means that they are slightly hollow and will have a thin line of rosin flux running through the middle. It will only be a small amount, so it shouldn't replace other flux, but it will increase the flux coating of your wires.
These may oxidize slightly more, but as long as you are using soldering flux they should still hold strongly for a long time. If you are using leaded solder, make sure to wash your hands once you have finished working with it as the lead is toxic. Choose silvered solder for soldering pipes together. Silver has a much higher melting point than lead, so it works much better for larger soldering projects.
Ask for pipe or silvered solder at your local hardware store when working with pipes. While lead-free solder may work when soldering pipes, it won't be as strong or as durable as silvered solder. Turn on your soldering iron and clean it when working with electronics. Plug in or turn on your soldering iron to start heating it up. Once it is hot, use a damp sponge to clean away any solder left on the tip of the iron, making sure to never touch the hot end of the iron while it is on.
The tip will get very hot, so it shouldn't be allowed to rest on any surfaces as this may start a fire. Don't leave your soldering iron unattended while you are using it. Apply a small amount of solder to the end of your soldering iron once it has heated up and been cleaned.
Once the tip is covered and has a shiny appearance, you can wipe away any excess on the same damp sponge. This is called "tinning" your iron and will stop it from oxidizing as you work with it.
Go for a blowtorch when soldering pipes. As pipes are much bigger and more solid than intricate wiring, a soldering iron may take a long time to heat a pipe up to the right temperature. Use a propane torch or something similar when soldering with pipes. For the best results, adjust the torch until you have a blue flame around 2 inches 5.
Wear protective, tinted glasses, fire-proof leather gloves and flame-retardant clothing for extra safety. Getting the perfect temperature with a blowtorch may take more practice than when working with a soldering iron.
If the flux you are working with begins smoldering and turns black, it's a sign you are using too much heat. If the solder doesn't melt when touched to pipes, you might not be using enough. Keep practicing until you get a sense of the right way to work.
Part 2. Twist the exposed ends of your wires together. Overlap your two wires to make a small cross symbol and begin twisting each together over and around the other wire. Keep wrapping the wires together until the ends of each wire are pushed down into the other wire. There should be no pointed ends, but a clear, intertwining pattern along your wires.
The flux not only removes the oxidation but also is there to reduce the interfacial tension in order to create better and more durable solder joints. This auxiliary material ensures that the parts to be joined are held together before they are finally soldered. The flux guarantees a good solder connection. Inside the solder wire there is at least one core that is filled with flux. If the solder wire comes into contact with the components during soldering, the solder melts, and the flux is released, i.
Of course, if the flux is burned it will no longer work. For this reason, additional flux is used. As a rule, this must also be used in order to get an optimal soldering result. It is advisable to treat the soldering surfaces beforehand with the appropriate flux, which creates a protective surface that prevents oxidation. With conventional hand soldering, there is enough flux in the soldering wire.
The choice of flux depends on whether aluminum or stainless steel is to be processed or whether electronic work is to be carried out. In this case, high-quality flux must be used to avoid any residue or rust. Dirty parts to be joined require an acidic flux. As a result, there are differences in the dosage, so that flux is offered in tubes or even in canisters. The differences between the products are briefly explained here:.
Flux is required so that the workpieces are optimally wetted by the solder during soldering. A chemical reaction removes the oxides present on the workpiece surfaces or prevents the formation of new oxides during the soldering process. Besides, the surface tension of the liquid solder is reduced so that the solder can lie cleanly on the workpieces.
Conveniently, the flux is fed to the solder joint together with the solder. For this purpose, the tin solder is built up in the shape of a tube and the flux is embedded inside. Flux is a filler metal that people use brazing, soldering, and welding processes.
It helps to prevent oxidation of the surfaces of metals that you work with and need to join. During the oxidation process, metal becomes weaker what makes it easier to be joined during soldering.
From the very beginning, you should understand that this is not some kind of a special type of flux. It is the property of flux to be water-soluble.
If you have such kind of flux, it means that you can clear it after the soldering process with water. Nevertheless, it is necessary to mention that no ordinary water should be used. It is recommended to use distilled or deionized water. Some detergents can also be compatible with the type of flux you have. Thus, you need to check the specifications of flux. My hobby is electronic circuits and soldering irons.
Pumps, compressors, engines, conveyors, machines, and other manufacturing equipment use oscilloscopes to transform electrical power to mechanical power. The voltage signals that power these electromechanical devices are an essential yet unseen force. So, how can you see and catch the invisible force? An oscilloscope also known as an o-scope or just scope is a graph-display…. A power supply is an electrical system that transforms electric current from a power source, such as the mains, into the voltage and current values used to power a load, such as a motor or electronic device.
The power of a power supply is to provide the correct voltage and current to the load. The idea to create a stained glass window seems fascinating, but at the same time, lots of questions come to mind. Study all the details of each stage carefully and prepare the necessary tools for soldering.
Following the tips, you will be able to create a truly unique atmosphere with the enchanting spirit of the…. Do you want to know how to solder wires to a circuit board?
Or how to solder two wires? As you know, soldering is a process of combining two metallic or copper parts by the process of melting solder.
Clean and remove any oxide and impurities from a PCB, which is the the main function or use of flux in any printed circuit board assembly or rework. It may have a poor solder joint for the oxides deposited on the board, and there will be poor electrical conduction or poor flow of electricity through the circuit. Soldering flux makes a good effect on soldering and wetting, as well as is good for de-oxidizing metals copper tracks on the board and leads of electronic components.
How to use solder flux? So in general, the flux used for soldering, brazing is inorganic in nature, however, it may contain organic compounds as well, which are activated at higher temperatures.
The following is how to use solder flux:. You should clean the metal contact with a good solvent before using the soldering flux so that remove the dust, grime as well as excessive oxidation that may be present. Then, it needs to apply an even coat of the flux to the surfaces where the actual soldering is slated to happen.
It should be placed on the metal contacts covered with flux when the tip of the soldering gun is hot and ready.
And it should melt the flux and spread, covering the metal surface, which will remove the oxide layer, until the flux is present. It should introduce and melt the soldering wire after vaporizing the flux, making sure the solder bonds before oxidizing again so that there are an effective soldering. There is no doubt that solder flux is a very useful material that cleans surface of PCB before soldering process and removes oxides which form on electrical contacts, as well as make a good effect soldering the metals so that there will be a great bonding.
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