Soldering iron - a very useful tool in the household. With it, you can perform various small electronics repair, connect a variety of parts, etc. However, in practice, the need to use it at home is relatively rare. Buying a tool in order to use it from time to time is not very profitable. Have a great solution! If desired, you can replace the soldering iron with a variety of other tools and devices that will allow you to do the job at least qualitatively.
A soldering iron is needed to carry out minor repairs of electronic devices, but at home it is rarely used, so it is not profitable to buy it, but you can use its substitutes.
Battery based solder
Understanding how to replace an ordinary soldering iron, it is recommended to first of all pay attention to this device. It can be used to perform soldering even in the most inaccessible places without access to electricity, at height, etc.
To build such a homemade soldering iron, you need the following:
To build a self-made soldering iron based on the battery, you will need wires, a pencil, solder and a battery.
- Solder with rosin.
- A pair of wires.
- Pencil with a graphite rod.
- Clip "crocodile".
In fact, the process performed using such a self-made soldering iron is not soldering, but welding. Everything is done as follows. You take 2 wires and wind up a couple of turns of solder with rosin inside. Next you need to connect any electrode to the battery soldered products. Connect the second electrode to the graphite pencil core. Pre it needs to be cleaned. Then you need to touch the solder rod for a split second. An arc will appear, under the influence of high temperature the solder will instantly melt, which will provide a very reliable soldering.
This method is suitable for connecting wires with a diameter of not more than 1 mm. If you hold the graphite rod at the tip of the wires a little longer, you can get the welding of copper wires. Before using such a soldering iron, it is recommended to practice a little on unwanted products.Back to table of contents
Soldering with a special alloy
Soldering can be performed with a special alloy of tin and lead.
If you need to solder various small parts made of zinc, iron and copper, you too can successfully do without a soldering iron. In this case, you will help a special alloy called "tretnik". It comprises about 62% tin, the remaining part is lead. The quiller allows you to perform reliable soldering without a soldering iron.
Before you begin to work, you need to properly prepare the surface of the soldered products. To do this, first clean the part with sandpaper or a file, then moisten the entire surface with a solution of zinc chloride. It is more convenient to do with a brush. In the absence of zinc chloride, it can be prepared from zinc metal. It is enough to dissolve it in hydrochloric acid. Be careful when performing this phase of the work, as the acid is a potentially hazardous compound.
After completing the preparatory stage, you need to take a piece of alloy and put it on the surface of one of the parts to be joined. Next, you need to take a heating pad or, in the case of soldering small parts, an alcohol lamp or a candle and thoroughly warm the junction with the tretnik.
If necessary, solder the wire should be touched with a strip of a tretnik to the previously wetted zinc chloride solution and the heated surface. The alloy should separate quite a large amount. Wait for it to blur over the product, then attach another part. Heat the junction thoroughly and allow to cool. In the absence of zinc or hydrochloric acid, the surface can be treated with brown or dry ammonia.
Electrical wires are best soldered using rosin dissolved in alcohol. Pour water on the junction with the purpose of cooling, then process with an old file. If necessary, remove the copper or iron part, moisten it with a solution of zinc chloride, then spread the alloy on the surface. The part must be evenly heated on the flame of a spirit stove or a burner.Back to table of contents
"Soldering iron" of lighters and paper clips
Instead of the traditional soldering iron, you can use this device. It is assembled from the following components:
A soldering iron from a lighter and paperclip is assembled with a screwdriver and pliers from an autogenous lighter paper clip.
- Flat head screwdriver.
- Autogenous lighter.
- Ordinary paper clips.
One ring of the clip needs to be unbend. The other end should be straight. Fasten the clip in the pliers and warm up thoroughly with a flame of a lighter. Whenever possible, it is recommended to use a reliable lighter that can provide a steady flame for a long time. Your task is to heat the metal of the clip to the desired temperature. In this case, the desired temperature is the melting point of tin. It is relatively small, so you will not spend much time. After the clip is red-hot, attach its hot part to a piece of tin and watch what is happening.
Now you can proceed directly to the process of spikes. This method is best suited for working with various ICs. Take one of the parts to be soldered, firmly press it against the other and place a small piece of tin next to it. Heat a paperclip and touch it to the tin so that it melts. When soldering chips, you need to be careful not to damage the entire parts of the product.
In order for the work to be as comfortable and productive as possible, the clip must always be kept hot. It is more convenient if you have an assistant. He will be able to heat the clip while you solder.
The method is quite simple and convenient when performing various small-scale work that requires control at each stage of implementation. It may take some time to master such an improvised soldering iron. It is better to practice on unnecessary products before you begin finishing work.Back to table of contents
A proven method of soldering wires
If necessary, solder wires or cable cores with a diameter of up to 2 mm and the absence of a soldering iron can use the following simple and proven method. First you need to clear about 3 cm of the wire from the insulation. Carefully strip and twist the ends. Take a sheet of aluminum foil, make a groove of it and put in it the previously prepared twist. Use foil 0.08 mm thick. Suitable, for example, foil from the old capacitor.
Prepare the solder. It should consist of 1 part of rosin and 4 parts of small solder chips POS-30. Pour the mixture over the top of the twist and squeeze the foil. She will wear a good twist with solder and will firmly hold on it. Heat the spike site. No special tools are needed for this. It is enough to take 3 matches, light them together and hold for 20-30 seconds under the twist. After that, wait 15-20 seconds until the twist cools. Remove the foil. Wires and wires will be soldered. Select the width of the foil from the bare portion of the twist.Back to table of contents
Instructions for sealing small holes
Small holes can be soldered by pouring rosin and tin and heating the surface.
This method is suitable for sealing small holes with a diameter of up to 5-7 mm, for example, in a leaky container. First you need to carefully clean the area around the hole. Do this with sandpaper, a file or grated brick. If you have to solder enameled products, you must first remove the enamel about 5 mm around the hole. To do this, attach the angle of a metal object to the edge of the hole and beat off the enamel by lightly tapping with a hammer.
Thoroughly strip bare metal. Take the finely chopped rosin and fill it with a soldering point. In the presence of etched hydrochloric acid, coat it with the product. On the inside of the product, put a piece of tin or, even better, a tretnik, on the hole. Next you need to heat the product. This can be done over a kerosene or alcohol lamp, stove, even an electric stove will do. In the case of enamelware, a spirit lamp is most preferred. It will provide warming up of a small part of the product and will not damage the rest of the enamel. Wait for the tin to melt and remove the dishes from the heat. Molten tin will provide solid and reliable soldering.Back to table of contents
A welding stick is a great alternative to a soldering iron.
The welding stick needs only to be heated with a lighter.
Currently, specialty stores sell special pencils that allow you to do without a soldering iron and other devices. To work with them only one lighter is needed. Work is done quickly and easily. Such a pencil successfully replaces a soldering iron when performing many different tasks of different levels of complexity.
This pencil soldering iron can be stored for an unlimited time, so it is recommended to buy it "just in case" and have a home craftsman in your set. Soldering iron and access to electricity are not required. You can solder products from the following materials:
- Cast iron
- Of stainless steel.
- Heat resistant plastics.
- Ceramics, etc.
Due to the special composition and structure of the welding stick, soldering will be reliable even on surfaces damaged by corrosion. Can be soldered in vertical and horizontal planes.
The composition of the welding pencil.
Instructions for using such a "soldering iron" is given on its packaging. Be sure to clarify the main points before use. In general, the technology is as follows. You take a pencil, ignite it with a lighter or another convenient method and apply the molten mass to the damaged area. The pencil stops burning, but the burning on the surface continues. In general, it takes about 20 seconds to warm the surface. After 15-20 seconds, you need to solder the molten mass into the surface. To do this, you can use the same pencil.
Such a "soldering iron" creates a soldering that can withstand an average temperature of up to 180 degrees. One pencil allows you to perform up to 25-30 packs.
Thus, even in the absence of a soldering iron, you can perform the required work. There are several time-tested ways, and now you understand the main ones. Choose the most suitable option and proceed. Have a good job!