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Today we will talk about all the variety of soldering equipment: different types of soldering stations and accessories for them, and also consider what works it is better to choose these or other tools.
Soldering station. The simplest of them - with thyristor temperature control. In fact, it is rather a power adjustment. A simple circuit on thyristors limits the maximum voltage that goes to the soldering iron heater, the current consumption and, consequently, the power, respectively, decreases. And the experimentally set temperature of the heater is applied to the regulator scale. There are several drawbacks to this method, and most of them stem from the lack of feedback from the heater. Because of this, the adjustment is quite inaccurate and depends on a large number of factors: the ambient temperature, the size of the installed tip, the intensity of soldering, the errors in the ratings of the parts themselves in the adjustment circuit.
Professional contact stations. These are stations in which there is only a soldering iron. Here, in all models, there are built-in thermal sensors, which allow obtaining direct information about the current state of the heater, and depending on the quality of the station itself, the accuracy of temperature maintenance, as well as the rate of heating and recovery during intensive work, vary.
The next branch of the station is hot air. They are both complex, that is, those where there are a hairdryer and a soldering iron, as well as independent ones (just a hairdryer).
A preheater for boards. Using a hairdryer or infrared stations (let's talk about them a bit later), trying to heat a cold part has a big risk of overheating it. Therefore, pre-heaters were invented - most often they are used to heat the board to a high temperature, while still safe for components. After that, it is enough to warm up a certain part a little, and it is easily removed.
A separate type of station is infrared. They have a very similar direction with thermo-air stations - working with fine multi-output details. The difference is that the infrared station makes it much better and safer.
The next category departs from the devices we are used to - gas soldering irons and burners. Previously, large volumes of work were usually carried out using a blowtorch (that's why it is called that). The process of operating these lamps was saturated with various actions (pump up the pressure, heat the nozzle, and so on) and is not entirely safe. Well, now it is quite possible to use portable gas burners. Pyropegium relieves the torment of ignition, the gas is supplied directly from the cylinder and is easily adjustable, everything works smoothly and beautifully. Turned on - and let's solder. Large, massive parts are easiest to solder in this way.
And such small burners can generally be used as a full-fledged soldering iron with a tip. in it, a jet of burning gas heats the metal body in the form of a sting, especially calculating for the desired temperature. In the absence of electricity, such a thing is simply irreplaceable.
Another strange invention is soldering baths. These are baths with molten solder, in which you can bathe parts, circuit boards or thick wires, for example.
Ultrasonic bath. After soldering, you always want to better launder the board so that it is perfectly clean (and sometimes you even need it). But no matter how hard you pick it by hand, there are often places that are difficult to reach with your hands. So, the ultrasonic bath “oscillates” with great frequency and as if shakes the part very fast back and forth. In addition, under the influence of ultrasound in the fluid around the board (it can be both water and special cleaning solutions) air microbubbles are formed, which capture the smallest particles and remove them away. In the end, no matter how dirty our board is, after these procedures, it will shine. By the way, you can clean anything in such baths, even jewelry.
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