The main focus of this Tutorial is to make you learn How to Solder Electronics and to solder what different tools are used. Soldering is used to form a permanent connection between electronic components and PCB substrate or others as applicable.
Soldering is a simple process of joining two or more electronic parts by melting through the heating device in such a way that solder melted around the connections.
Here in this Tutorial first we learn soldering how to wires and then solder how to solder to a circuit board electronic components. Basic soldering is easy but you required some sort of equipment to complete the activity. We also learn how to solder a circuit board without a soldering iron in the last section of this post.
How to Solder Circuit Boards
In this section, you will learn soldering How to solder circuit boards, how to solder wires to a circuit board, and also How to solder with flux.
Mainly hand soldering is recommended circuit boards for prototyping, Installation, and repairing activities. Equipment required as per below
Step 1:- Preparing Readiness for Soldering
Power on the soldering iron and start heating the iron. If the iron is temperature-controlled to ensure that soldering tip temperature shall be minimum 315°C and maximum 360°C for tin-lead soldering and between 360°C to 450°C for lead-free soldering.
Keep ready the essential tools like wire cutters, solder flux, solder wire, and other required accessories which we will discuss one by one later in this article.
Step 2:- Clean and Tinning The Tip
Before start and soldering activity prepare your soldering ion and when it hot first needs to clean the tip to remove the old solder from it. For that, you can use a wet sponge or copper scouring pad, or any other applicable substance.
Before you start soldering you need to tine the solder iron tip with solder that makes the tip heat transfer faster for making soldering easier. The Tinning process also protects the tip and reduces wear losses.
Step 3: Clean work area of any contamination, oxides, or residues and Install soldering iron tip in hand-piece.
Step 4: Apply flux on one soldering pad, Clean the tip from Brass wool, and tining the tip with small solder. Prefill one soldering pad with a solder
Step 5: Place the component in position and hold it with a wooden stick or a pair of tweezers. Place the tip at the junction between the prefilled pad and termination area of the component.
Step 6: Place the tip at the junction between the prefilled pad and termination area of the component. Observe complete solder melt.
How To Solder Wires
In this section, you will learn How To Solder Wires, Step by step process of soldering to wires. When splicing wires together it is important to get an electrical connection that will keep conducting through Joints. Below steps are involved to get an answer to the query How to solder wires.
Step 1: Clean to soldering iron tip from oxides and do tinning the tip with help of solder for smooth heat transfer. Follow the same step as per above
Step 2: Remove the wire insulator and apply a layer of solder flux. After that heat solder wire and wire that needs to joint hold iron tip till wire fully coated with solder.
Step 3: Joint both tinned wires together and heat up with solder iron for few seconds and remove iron to cool the joints.
Defects Due to incorrect use of Soldering iron tips
Metal plating tips of soldering iron wear out over time. Plating life of soldering iron tip on a type of soldering application, types of flux and solder paste used, and the soldering skills of the operator.
Generally, the manufacturer does not give any guarantee of soldering iron tips. Usage of defective soldering Iron tips results below soldering defects.
Cracks: – Due to Excessive pressure applied with a tip to a contact area resulting in a bend of the tip.it will cause cracks in the tip coating. To avoid this problem, select the tip that best suits your work.
Non-wetting: – Oxidation of tip coating causes heat conductivity reduction due to formed oxides that will not allow proper wetting of molten solder paste.
The best remedy to avoid such consequences is to frequently clean solder tip with a damp sponge, Use the lowest possible temperature, not recommend using active solder flux.
Corrosion: –Usage of Active solder paste at high temperature (>450 °C) the coating of the tip can be possibly damage partially or completely.
For remedy use less active flux, use clean and damp sponges, and use solder that has RMA flux type.
How to Solder Electronics: Tools and Materials
The quality of soldering mainly depends on soldering iron tip geometry, Selection of Flex, and instruction followed. Hand Holding is not so easy to work as normal people think.
1. Soldering iron
To do soldering you need a good quality soldering iron or a temperature-controlled soldering station. Soldering iron good heat source that heats up and cools down very quickly and maintains a constant temperature.
To select best solder – Top 5 Best Soldering irons for Electronics 2021
Soldering irons soldering components recommended as Low wattage (15-40 watt) soldering irons but while more powerful circuit boards (60-140 watt) soldering irons can be considered.
2. Solder wire
Solder wire is the main consumable material used in hand soldering.it comes in various thicknesses with leaded and lead-free versions.
You use thin solder wires for normal electronic component soldering and thick when needed to solder large solder surfaces.
For more information and technical specs, further details on solder allow check out the Wikipedia article. I normally solder around .025″ wire in daily soldering jobs.
3. Other materials
o solder Apart from the above soldering tools there are few other tools that are also used to make solid quality soldering joints.
A list of other tools is Soldering iron holder, cleaning sponge, Exhaust fan, Tools to work with wires like wire cutters, needle-nose pliers, a wire stripper, etc., Safety goggles.
Video Tutorial:- How to Solder Without Soldering Iron| Solder without Soldering Iron
Here in this article, we have discussed in detail how to solder wires to a circuit board and also How to Solder Electronics and also how to solder wires to a circuit board. Soldering onto a circuit board is a simple job but required more precision in work.
How to soldering circuit boards is a very common problem of every electronics engineer but doing some practice and learning to solder can solve issues.
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