Skip to content

Functions and Applications of the Soldering Machine

Through melting solder, different kinds of metals can be joined together by the process of soldering. A heated iron is used to melt the metal alloy called “solder,” which is typically composed of lead and tin. To form a solid electrical bond, the iron gets heated to a temperature exceeding 600℉.

Different metals are joined through the technique of soldering. It is created by fusing metal, often referred to as solder, in the gap between the two metal parts. The metal alloy called solder is often created from lead and tin. The majority of solders melt between 180 to 190℃.

Types of Soldering Machine


Soldering instruments include soldering machines. There are various soldering machine types. Let us consider them

Soldering Iron

The soldering iron can be described as a hand tool utilized in heating solder at a high temperature which is higher than the metal alloy’s melting point, typically from the electrical source. This enables this solder to move easily between these workpieces that need to be connected.

The soldering tool has a pointed and heated metal tip as well as an insulated grip. How clean your soldering iron’s tip is will affect how well it solders. Before soldering the components or creating soldered connections, a user would hold this soldering iron as well as clean its tip with a moist sponge to ensure cleanliness.

Solder suckers form a crucial component of soldering setup coupled with its soldering iron. These tiny tools are utilized to scrape out excess solder, retaining only the desired amount.

Soldering Gun

As irons require less power, soldering guns were utilized for tasks where higher heat is needed. For combining stained glass, thin sheet metal, as well as challenging electronic soldering operations, utilizes this instrument. This soldering gun seems significantly more useful when there is a need to only solder occasionally because it cools down much faster.

What is the Importance of Soldering Machines?


The method of soldering allows two components to be connected. Would using an adhesive be preferable or would soldering be the best option? Discover using the following benefits.

Minimal heat impact

Given that the solder frequently has a less melting point compared to the remaining components, it is not affected by this heat.

Temporary and Permanent Joints: immediately the hardening of the solder happens, it creates a highly solid link that cannot be broken. It may be desoldered, nevertheless, without causing any harm to other parts. Joints that are both permanent and temporary in one!

Joining Different Materials

So far this solder features a low melting point than the metal being joined, soldering may be employed to join the different metals.

Fast DIY

Anyone may rapidly learn how to solder, and it is a simple skill to acquire. Additionally, it is an extremely quick method of joining things together, which is excellent for DIY projects.

Step by Step Instruction Guide to Soldering

  • Choose the appropriate soldering temperature that suits your project based on those materials that you’re soldering as well as the type of solder you’re utilizing. As a general guideline, pick the one having the least temperature to achieve the desired result.
  • Hold a bit of solder inside one hand then a soldering iron for the other once this iron has reached the desired temperature.
  • Place your hot iron briefly where the two components converge. Keep in mind that these metals only need to be heated slightly.
  • Now, touch these hot components with the solder. This gap in-between these two components would be filled in when the solder melts. The quantity of solder required varies depending on the project or the component in question. Before beginning your project, if you’re a newbie, practice on the scrap parts of the electronic components.
  • Give the solder time to cool. A strong, homogeneous connection will be visible. There should be no voids or large spaces of solder. You will have to add more solder to close any gaps. To fix the joint when there are some blobs, you need to desolder.
  • Desoldering: Desoldering could be required to repair a certain type of joint. Perhaps you soldered too much by mistake! You only have to reheat this iron onto the necessary temperature as well as melt your solder, so don’t worry. To remove extra solder, use the solder sucker that resembles a syringe. Another tool you can make use of is the desoldering braid.
  • Wrapping up: After the repair is complete, you must clean up the place and keep your equipment. To clean the tip, all you must do is utilize a metal or cloth wool. Keep it in an airtight container. Likewise, to avoid oxidation and lengthen the lifetime of your iron, store your soldering iron inside any sealed container.

Functions of a Soldering Iron

Circuit board solder iron
Circuit board solder iron

This is described as a hand instrument utilized for soldering.  With an extremely hot tip for the melting of the solder, it has a well insulated body. Although it comes in various kinds, electric models are known as the most prevalent.

The temperature increase provided by this soldering iron is required for the melting of the solder. This solder is allowed to cool as well as harden when the soldering procedure is finished. For this solder to solidify, room temperature has to be adequate. Prior to being heated once more, the solder establishes a conductive and permanent connection.

Soldering irons come in a wide range of sizes and costs, ranging from little to enormous and inexpensive to quite expensive. For straightforward electronics projects, small types of soldering irons work well. For demanding labor, larger types of this soldering machine are used.

In electronics sector, soldering iron is mostly utilized for repair, assembly, and a little amount of production. Other soldering techniques are used on production lines of high volume.

Applications of Soldering Machines

electronic assembly soldering

Roofing Business

Solder is frequently used by roofers to fuse copper roof components together. The construction of flashing roofs also uses it. The typical soldering iron meant for roofing typically has a large tip which can heat up extremely quickly and can be frequently used because roofing doesn’t really require the same level of precision as working with microscopic components.

Plastic-made Circuit Boards

The plastic-made circuit boards are utilized in electronics, including them among the soldering iron’s most popular applications. During the joining of the two wires, the solder’s metal alloy ensures the continuance of the electrical current. The accuracy required for these frequently necessitates the utilization of more precise instruments, such as temperature regulation for soldering irons.

Electricians’ Soldering

Electricians splice different wires for commercial or residential wiring using soldering irons, much like they do with the circuit boards. Additionally, they make use of them to fuse wires in the electrical terminals and control panels.

Vehicle and Auto Repair

Solder is frequently used in filling uneven areas, smooth out any rough surfaces, and tighten joints even if it is not that strong to repair engines. Along with bodywork for your car, it may be utilized to patch holes, join metal panels, as well as tin the metal sheets’ edges.

DIY projects

The soldering iron is also frequently used for do-it-yourself projects around the house. Due to the vast subject, as well as the standard soldering iron, there are several soldering equipment to pick from, including the soldering pencil and the soldering gun.

How to Choose Soldering Irons

Soldering irons come in different sizes and costs, ranging from little to enormous and inexpensive to quite expensive. For straightforward electronics projects, small types of soldering irons work well. For demanding labor, larger types of soldering machines are used.


When selecting a soldering machine, its power may be the first factor to be taken into account. Low-power soldering machines are inconsistent in maintaining a stable temperature and require a long time to heat up.

Replacement Soldering Iron Tips

The tips of the soldering iron’s replaceability which makes it possible to utilize them more efficiently in various settings. While the soldering iron starts heating up and while the use is interrupted, the stand will make it easier to use.

The tip of the soldering iron can be cleaned with a moist sponge. Use this sponge to clean the soldering iron’s tip before creating any soldered connections. Additionally, more sophisticated cleaning tools are available for the cleaning of soldering machines.

Temperature Control

Temperature control may be included into some of the soldering irons. This function is quite helpful because various soldering tasks call for various temperatures. Weak, cold solder junctions might result from using a soldering iron that isn’t hot enough. Components can burn out as a result of overheating.


Soldering machine is essential to the production of electronics as well as other applications. Inside the electronics business, the machine is primarily used for assembly, maintenance, and a little amount of production work. Other soldering techniques are employed on production lines of high volume. If you need more explanation on the functions and applications of the soldering machine, please inform us.

    GET A FREE QUOTE PCB Manufacturing & Assembly Service
    File Upload