How to sharpen a copper soldering iron tip

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During operation, the soldering iron tip constantly heats up, which leads to oxidation and the need for tinning, so you should know how to tin a soldering iron tip in order to use it to efficiently repair household appliances and other devices. Soldering iron tinning is a process that involves coating the surface of the rod with a thin layer of solder, usually tin is used for this.

Tinning can be either an intermediate operation before the main work, or an independent action aimed at improving the performance of the tool. Most tools, with the exception of soldering stations, are solder wires and rosin tubes and require periodic tinning. The process involves removing the oxidation film that forms on the surface due to constant overheating of the tip.

New instruments that still need to be prepared for use also need tinning.

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How to properly tin a soldering iron tip, a guide for soldering. Tin the soldering iron

Sharpening the soldering iron tip. Before you start soldering, you should prepare a new soldering iron for work, or rather, sharpen the tip to a certain shape. Many domestic soldering irons are made with a copper tip.

For example, soldering irons like EPSN. The copper tip must be properly treated before this soldering iron can be used. The tip must be given a shape convenient for soldering.

Some people process it with a simple file, and especially creative individuals prefer to forge it. As a result, the soldering iron tip becomes more durable and dissolves much less in the solder during the soldering process.

But sooner or later everyone wonders how to tin a soldering iron with a copper tip.

Such a sting can always be easily removed and processed again. Of course, if it gets stuck during use, then this process will not be so easy. Therefore, when using soldering irons with removable tips, it is necessary to remove them from time to time and clean the attachment point so that it does not stick. After the tip is given the desired shape, it must be tinned. The phrase “how to tin a soldering iron tip” should mean that you will have to cover the working area of ​​the tip with a thin layer of solder.

It's not too difficult to do this. It is enough to plug in the soldering iron, wait until it heats up to the temperature at which the rosin begins to melt, and then dip the tip into it. After the soldering iron has been heated to its operating temperature, you need to cover the part of it that is used for soldering on all sides with solder.

It is better to take small pieces or solder made in the form of wire for this. A soldering iron with a power of 25 watts will not be able to melt a large piece of solder. The shape of the sting may vary. The choice depends on the habits of the person who uses the soldering iron, and, of course, on the type of work performed with it.

Some people prefer a cone-shaped soldering iron tip, while others prefer a soldering iron tip cut at 45 degrees. The fact is that with a sharply sharpened soldering iron tip it will be possible to solder even transistors hidden in SOT cases, SMD parts or capacitors with resistors of the size. To desolder such parts from boards in large quantities, a construction or soldering hair dryer is usually used.

If it is not available, a regular soldering iron with a power of about 25 Watts, whose tip is processed in the shape of the letter P, will be useful. It is necessary to remember that this is done before tinning the soldering iron tip.

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This is done in order to avoid overheating the leads of the part, which happens when soldering with a soldering iron with a regular tip. And with the help of such a U-shaped tip, the leads are soldered together immediately, and the part is easily released from the soldering site. When performing work on mass desoldering of radio components, it is better to use a more powerful soldering iron, using a power regulator. It's not that difficult to make it yourself.

In this case, a soldering iron with a power of up to 65 watts is suitable. There are quite frequent cases when, during soldering, rosin suddenly begins to smoke. This means the soldering iron is overheated.

You have to unplug it and wait until it cools down. At the same time, if the soldering iron cools down below normal, it begins to solder poorly. Using a power regulator, such problems can be easily avoided, and the work becomes much easier, and from the necessary preliminary work there will be nothing left except tinning the soldering iron tip. On sale you can find soldering irons in which the working part is coated with a special non-flammable compound.

This layer is very thin and under no circumstances should it be cleaned, as is the case with a conventional soldering iron. The question arises: “How to tin a soldering iron tip if it cannot be cleaned in the usual way? The one that housewives usually use to wash dishes, or a piece of cloth previously soaked in water, will also work. When using such soldering irons, you should remember that any mechanical stress significantly reduces their service life.

To tin the tip of such a soldering iron, you need to dip a piece of solder into molten rosin, rub the tip on a damp cloth, removing oxides from it, and then move the heated soldering iron over the solder. When working with any type of soldering iron, you should try not to overheat it above degrees C, otherwise you will have to tin the tip again.

And of course, anyone who uses a soldering iron should know how to properly tin a soldering iron tip. The girl thought she was pregnant with twins. The doctor said she broke all records. Guess the actor: 10 times when first-class make-up artists worked on the star. This year the Russian moved to China.

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Valery Vedmedenko. Regarding forging the soldering iron tip, I liked it. I went to forge. Copy link. Vladimir Drevetnyak. Nobody is in the know. I bought a soldering iron, a jar of rosin, and a roll of thin solder. Tinned and soldered copper wires. At first it turned out badly, then the soldering iron itself got fouled and things went well.

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How to properly sharpen a soldering iron tip

If this page is visited by those who already know how to solder correctly, then the information is unlikely to be useful to you; this is a manual for beginners.

Radio electronics for beginners begins with soldering. This is an axiom. Learning to solder is quite simple, as in any business, you need practice. If the soldering kit is ready, then it’s time to start preparing the tool.

Sharpening the soldering iron tip

Before soldering, you need to prepare a new soldering iron for use, or rather, sharpen the tip to a certain shape and cover it with a thin layer of solder.

The tip must be sharpened with a file at an angle of 30-40 degrees, so as to form a wedge. The sharp edge of the sting should be blunted to create a flat edge about 1 mm wide. Usually, new soldering irons have a tip already sharpened with a wedge, but it is covered with a layer of patina - greenish oxide of copper and oxygen. This oxide must be removed with a metal file or fine-grained sandpaper.

In addition to the “classic” wedge-shaped tip, you can give it another shape, it all depends on what you will be soldering. For soldering small parts, you can make it shaped like an elongated cone with an edge width of 2 - 3 mm. Or make a cut in the edge so that you can solder SMD resistors with one touch.

Immediately after sharpening the tip, you need to install it in the soldering iron and tin it. If you do not do this, the copper surface of the tip will oxidize in the air and it will have to be sharpened again!

Tin the soldering iron tip

Next, you need to tin the tip, that is, cover it with a thin layer of solder. To do this, we plug in the electric soldering iron and wait for the copper rod to warm up to a certain temperature. When the tip warms up, it will become noticeable by a reddish tint; the copper will turn reddish-orange. You should not delay warming up, otherwise the tip will burn. As soon as the sting acquires a slightly reddish tint, it must be leaned against lump rosin or resin.

This will produce a lot of smoke. Cover the entire tip with melted rosin. Next, melt a small piece of solder so that it spreads evenly over the surface. You can rub the tip on a wooden board, so the solder will be better distributed over the copper surface.

The copper tip should be covered with an even layer of solder. If there are areas on the surface that are not covered with solder, it is better to repeat the process again.

This is how the soldering iron is prepared for work. The process will need to be repeated as necessary, but this is often not necessary.

I wrote everything in quite detail to make it as easy as possible for beginners.

Soldering iron care

Like any other tool, a soldering iron requires care. From time to time, the tip of the soldering iron burns out, and potholes and irregularities appear on it. Burnout is eliminated by sharpening the tip and tinning it. You should also pay attention to the fact that with prolonged use, the rod becomes covered with scale, which prevents rapid heating.

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Why does the soldering iron tip burn out? The fact is that when heated, copper partially dissolves in the solder, and the edge of the tip itself is subjected to, albeit a small, mechanical effect.

It is also worth understanding that when the soldering iron is not in use, the tip becomes very hot and this contributes to the oxidation of copper. Therefore, when idle, it is recommended to either turn off the soldering iron or reduce the temperature.

A conventional electric soldering iron of the EPSN type does not have temperature control, so it is better to turn it off when idle.


How to sharpen a soldering iron tip correctly?

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Question for experts: Is it possible to sharpen a soldering iron tip with sandpaper???

Best regards, Sasha Vasiliev

Best answers

Copper - possible

Nickel plated (silver) - not allowed.

It’s better to use a needle file or a flat file, the result will be smoother. Use sandpaper to round it.

after stripping to bare copper, tin IMMEDIATELY. turn it on, dip it in rosin and poke it into the solder,

As soon as it starts to melt, you coat the entire tip (working part) with solder and you can use it!

Can. I sharpened it on a concrete floor, and everything is fine.

Depending on how necessary, they often sharpen with a file, then tin.

Sharpening is not a good idea, you'll get stuck. But to polish it when you set the shape - yes. Only if it is a sting that CAN be sharpened initially, naturally.

Which soldering iron tip? If the soldering iron is from a soldering station, then it has an iron/nickel tip on the outside and copper on the inside, the thickness of the iron coating is very thin and if it is damaged to the copper it will quickly become unusable. I clean it with very fine sandpaper (the kind used for pre-polishing), and very carefully, then tin it in a soldering bath using phosphoric acid flux.

Look at the sting? If it is coated, then it is highly undesirable.

Sandpaper is usually used to clean a soldering iron. You can sharpen it, but you will spend significantly more time. Good luck.

It is possible, but it is a long process.

I sharpened the tip on the soldering iron, and specifically. He took it, inserted it into the screwdriver, turned it on, and leaned the soldering iron against the rotating tip. I didn't see the color of copper. I read all sorts of horror stories and now I can’t understand whether I did something bad or good. Why can't you sharpen?


This video will help you figure it out

Answers from experts

Is sitting ? He's a Monument!:

Such sharpening allows you to solder small printed wiring with this low-power soldering iron. This is approximately 45 "bending and sharpening with an ax" in the bending plane.

If you need to do small work with a very thick tip, you can wrap a removable tip made of 2-4 mm copper wire around it. For convenient dismantling of microcircuits, you can make a tip from a copper tube of a suitable size in the form of a long blade.

When cutting the tube, you need to choose the correct cutting angle to get the maximum blade width.

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make the sting twice as thin and bend it at an angle of 45 degrees.

It depends on what you solder, these are excellent for tinning teapots))) And the power is 40W, not 100, so that you can solder radio parts

Flatten the tip with a hammer and use a file to give it the shape of a flat screwdriver, then tin

It's normal like this


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