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Americas > United States of America > Useful Info
Submitted on Jul 29, 2020 Useful Info

How to Soldering? Tips for beginners

Soldering is useful for a lot of chores. Don't immediately think about the big work, but things like connecting copper wires, tightening resistors or making small repairs. Especially with all the electronics in our lives, a soldering iron is a useful tool to have on hand, and it also comes in handy for hobbies like modeling or jewelry making.

The word soldering comes from Latin: 'solidare' means to fasten. And that is exactly what you do when you solder. It is a simple technique to attach metal parts together also you can get pcb prototype service for this you use a solder wire. This consists of a metal alloy that you heat until it is liquid. When the material cools it forms a firm connection between the parts. If you did it right ...

What do you need to solder?

  • Soldering iron or soldering gun
  • Soldering wire
  • Soldering fluid
  • Sandpaper
  • Safety glasses
  • Work gloves

Soft soldering and hard soldering

Soft soldering is the preferred technique for electrical wiring, water pipes and hobby. With soft soldering, the solder - mainly consisting of tin - is heated to a maximum of 450 degrees. The soft soldering tool is a soldering iron or a soldering gun.

Brazing is intended for heavy-duty joints, such as machine or vehicle parts. A gas burner is required to achieve the required temperature (up to 700 degrees). Since we are providing tips for beginners in this article, we will not consider this soldering method further.

Which metals can you solder?

Metals that can be soldered with normal solder include copper, iron, steel, tin, bronze, silver, brass, and zinc. You cannot solder chrome and for aluminum you need a special flux.

Soldering iron, soldering gun and soldering station

Those who start soldering can choose from three tools:

Soldering iron

The most basic tools for soldering. A soldering iron with adjustable temperature is preferred.

Soldering gun

Its name comes from the pistol grip. The soldering tip is a metal loop through which a high electric current is sent, which means that it heats up quickly. A disadvantage is that it switches off almost as quickly to prevent overheating, often within 1 minute. Then you have to wait until it has cooled down enough to continue.

Soldering station

The professional equipment. A soldering station works on low voltage. The big advantage is that you can set the temperature exactly, which is especially useful when soldering fragile electronics and fine hobby work. A soldering station comes complete with soldering iron and accessories.

How to solder?


1. Cleaning

Solder will not adhere to dirty, rusty or greasy metal. Sand the parts to be connected thoroughly before reaching for the soldering iron and wipe the sanding with a clean cloth. Especially for larger connections, it is advisable to then coat the parts with soldering fluid or solder paste. These products clean and degrease, so that the solder will adhere better.

2. Preheating

Heat promotes the adhesion of the solder. Preheat the parts to be soldered by holding the soldering iron against it for a few seconds. Note: do not do this with cables and electronic components, as they can be damaged by heating.

3. Apply solder

As soon as the solder starts to melt, keep it on the joint until it has bleed out and the seam between the parts is closed. This takes a few seconds at most. Do not use more solder than necessary: ​​solid is fixed and a thick bump does not make the connection stronger. The parts must remain immobile until the solder has solidified. And watch your fingers, or better yet, wear some good, close-fitting work gloves. Safety goggles are also highly recommended, as the hot solder can splash.

4. Update

If necessary, you can make the connection more beautiful with a file or sandpaper when the solder has hardened.

What if…

If the solder does not bond well, but does form spheres, the metal is probably not clean. Sand again, apply solder and try again.

If the solder does not or hardly liquefies, your soldering iron does not have enough power, or you are using the wrong solder. Choose a different solder or buy a more powerful soldering iron.


Keep your soldering iron clean


A soldering iron requires little maintenance, but the pin must be clean for proper operation. Wipe it clean immediately after every soldering job, you can easily do that with a damp cloth.

Tip: On YouTube you will find numerous instructional videos that show you how to tackle various soldering jobs such as water pipes, electronics and model building.