What Does A Soldering Iron Look Like

What Does A Soldering Iron Look Like - Knowing how to solder the correct techniques for soldering is an essential skill that every maker must master. 

What Does A Soldering Iron Look Like

In this guide we will go over the fundamentals about soldering equipment, stations for soldering kinds of solder, how to desolder techniques and safety guidelines. 

When you're designing an electronic robot or using Arduino, understanding how to solder comes useful.

What Is Soldering?

If you take off any electronic device that includes a circuit board You'll find that the components are joined using soldering techniques. 

Soldering is the method of connecting several electronic components to one another by melting solder around the connections. 

Solder is a metallic alloy and as it cools, it forms a solid electrical connection between the components.

While soldering is able to make a permanent connection it is also possible to reverse the process with a desoldering device as explained below.

Soldering Tools

The best part when learning how to solder is that you don't require much to begin. 

In this article, we'll provide the essential tools and materials you'll require for your most soldering-related projects.

Soldering Iron

Soldering irons are hand tool that plugs in to the standard 120v AC outlet and is heated up for solder to be melted around the electrical connection. 

It is among the most crucial tools used for soldering. 

It comes in a variety of variations , including pen or gun forms. 

For those who are new to soldering, it is recommended that you utilize the pen-style soldering iron within the 15W-30W range. 

The majority of soldering irons come with interchangeable tips that can be used to perform various applications of soldering. 

Be careful when working with any kind of soldering iron as it can reach temperatures of 896' F which is extremely hot.

Soldering Station

A soldering station is an sophisticated version of the soldering pen that is a standalone. 

If you're planning to perform many soldering tasks it is a great thing to have because they provide greater flexibility and control. 

The most significant advantages of a station for soldering is the capability to precisely alter temperatures of the iron that is ideal for a wide range of tasks. 

They can also provide more secure workspaces as some have sophisticated temperatures sensors and alerts, and even password protection for security.

Soldering Iron Tips

The end of the majority of soldering irons, there is an interchangeable component referred to as the soldering tip. 

There are a variety of variants of this tip, and are available in a myriad of sizes and shapes. 

Each tip is designed for particular purposes and has advantages over others. 

The most commonly used tips that you'll encounter in electronic projects include the conical tip and chisel tip.

Conical Tip 

Useful for soldering precision in electronics because of its fine tip. 

Due to its pointed tip it's capable of delivering small areas of heat without impacting the surroundings.

Chisel Tip This tip is perfect for soldering wires as well as other bigger components due to its wide flat tip.

Brass or Conventional Sponge

A sponge can help to keep the iron's tip free of oxidation that develops. 

The tips that are oxidized will begin to darken and won't accept solder in the same way as when they were new. 

You can use a standard sponge that is wet, but this can tend to decrease the life of the tip as a result of the expansion and contraction. 

Additionally, a sponge that is wet can lower temperatures of your tip after being wiped. 

Another option is to make use of a brass sponge, as illustrated below.

Soldering Iron Stand

The stand for a soldering iron is simple, yet extremely practical and useful to possess. 

It helps to prevent the iron's hot tip from coming into contact with any flammable material or causing injuries to your hands. 

Many soldering stations come with this stand built in, and include a brass or sponge brush to clean the tips.


Solder is a metallic alloy that melts to form a permanent connection between electrical components.

Solder is available in lead and lead-free varieties with dimensions of .032" and .062" being the most popular.

The solder core contains the material called flux that helps to improve the electrical contact as well as its mechanical force.

For soldering electronics the most popular kind is the lead-free rosin-core solder. 

This kind of solder is typically comprised of Tin/Copper alloy. 

You may also choose to utilize the leaded 60/40 (60 40% tin, and 40 percent lead) core solder made of rosin, but it's getting less popular due to health risks. 

If you choose to employ lead solder, be sure that you've got adequate ventilation and wash your hands following use.

When purchasing solder, be sure you do not use solder with acid core because it can damage your circuits and parts. 

Solder with acid core is available at hardware stores for home improvement and is used mostly to repair plumbing and metal.

As previously mentioned solder comes in various sizes. 

The solder with a larger diameter (.062") works well for selling larger joints with greater speed however, it could cause soldering of smaller joints to be more difficult. 

This is why it's always an ideal idea to have both sizes available for various projects.

Helping Hand (Third Hand)

A hand-held device is a gadget that includes two or 3 alligator clips, and often a magnifying glass or light attached. 

The clips can assist you in holding the item you're trying to solder as you work with the soldering iron and to solder. 

This is an extremely useful tool to use within your Makerspace.

Soldering Safety

Once you've figured out the tools and materials needed, it's time to talk about methods to stay safe while conducting soldering.

Soldering irons can attain temperatures as high as 800 F so it's very crucial to be aware of the location of your iron at every moment. 

It is recommended to use the stand of your soldering iron to avoid accidental burning or damage.

Be sure to work in a room that is well ventilated. 

When solder is heated the smoke is released and could be harmful to eyes and the lungs.

It is recommended to make use of a fume extractor that is a fan that has charcoal filters that filter the harmful smoke from solder. 

You are able to visit websites like Integrated Air Systems for air filtering systems.

It is always recommended to wear eye protection in the event in the event of accidental splashes with hot solder. 

Finally, ensure that you wash your hands after the process of soldering, particularly if you are you are using lead solder.

Tinning The Tip

Before you begin soldering it is necessary to prepare your soldering iron, by tinning its edge with solder. 

This can help increase the transfer of heat from the iron to the object that you are selling. 

Tinting will also help safeguard the tip and lessen wear.

Begin by ensuring that the tip is connected to the iron, and that it is securely screwed into place.

Switch on the soldering iron and allow it to heat up. 

If you own a soldering station that has an adjustable temperature control, set it at 400' Cor 752'F.

Clean the tips of the soldering iron with a moist sponge to wash it. 

Take a moment to let the tip warm up again prior to moving on to step 4.

Place the soldering tool in one hand while you solder it with the opposite hand. 

Bring the solder close to the edge of the iron, and make sure that the solder flows evenly across the iron's tip.

Tint the iron's tip prior to and after each soldering process to increase its lifespan. 

In time, each tip will begin to wear out and require replacement if it becomes rough or swollen.

How To Solder

To make it easier to understand what it takes to solder we'll demonstrate it using an actual-world application. 

In this instance we'll be soldering an LED onto an electronic circuit board.

Install The Component

Begin by placing the leads of the led into the hole on the circuit board. 

Turn the board over and then bend the leads inward at 45°. 

This helps the component create a stronger connection to the copper pad, and also prevent it from slipping out when the soldering.

Heat the Joint

Turn the soldering iron to on. 

If it has an adjustable temperature control setting, set it at 400 C. 

Then, you can apply the edge of your iron with the pad as well as the lead of the resistor at the same at the same time. 

You must keep the soldering iron for 3-4 seconds to heat the lead and pad.

Apply Solder to Joint

Hold the soldering iron between the copper pad as well as the lead, and then apply the solder on the joint.

Important: Don't apply the solder directly on the point on the iron. 

The joint should be sufficiently hot that it melts the solder after it is placed in contact with it. 

When the connection is cold, it'll create a weak connection.

Snip the Leads

Disconnect the soldering iron and allow the solder cool naturally. 

Be careful not to blow on the solder, as this could cause a weak joint. 

Once the solder is cool, you are able to remove the extra wire from the leads.

A properly soldering joint is smooth, shiny, and is shaped like a volcano or cone. 

You should use only enough solder to fill the entire joint, but not enough that it forms a ball or spills onto the adjacent the joint or lead.

How To Solder Wires

This is the time to demonstrate how to join wires. 

In this procedure it's suggested to use helpers hands or another types of clamp devices.

Begin by removing any insulation from the edges of the wires you're connecting. 

In the event that the wire you are soldering is strung connect the strands using your fingers.

Make sure the soldering iron is heated to the maximum and then place it on the other end or both wires.

Place it on the wire for about 3-4 minutes.

Make sure the iron is in the right place and apply the wire with the solder until the wire is fully coated.

Repeat the process for the second wire.

Put the two wires that have been tinned over each other and then apply the soldering iron on both wires.

The process will melt the solder and cover each wire evenly.

Remove the soldering iron and take a few seconds to allow the soldered connection to get cool and harden.

Apply heat shrink to protect the joint.


The great thing about using solder is that it is able to be easily removed in the technique of desoldering.

This is useful if you want to eliminate an element or correct a mistake in the electronic circuit.

To de-solder a joint you'll require soldering Wick, which is also referred to by the name of desoldering braid.

Place a strip of the desoldering braid over the surface of the joint/solder that you wish to remove.

Heat the soldering iron by rubbing the tips towards the top. 

The solder will be heated below and it will be integrated into the braid that is desoldered. 

Then, you can take off the braid to verify that the solder has been removed and removed. 

Be careful not to touch the braid while heating it, as it could be hot.

If there is lots of solder that you'd like to get rid of You may wish to utilize a device dubbed the solder sucker. 

It is a hand-held mechanical vacuum that suckers up hot solder by pressing of one button.

To use it, push the plunger to the bottom of the sucker for solder. 

The joint will be heated with the soldering iron, then place the tip of the sucker onto your hot solder.

The release lever will release in the solder liquid.

To remove the sucker from the solder you need to press the plunger.

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