Lead-free soldering stations are used in a wide range of applications, from common electronic appliance repairs to electronic integrated circuits and chips to lead-free soldering stations as soldering tools, but are most commonly used for soldering of electronic factory PCB boards. Especially suitable for the welding operation of lead-free precision electronics.
use
After the electronic product is scrapped, the lead in the solder of the PCB board is easily dissolved in the oxygen-containing water. Pollute the water source and damage the environment. Solubility causes it to accumulate in the human body, damage nerves, cause sluggishness, high blood pressure, anemia, reproductive dysfunction and other diseases; if the concentration is too large, it may cause cancer. Cherish life, the era requires lead-free products. As an important part of PCB circuit board manufacturing, soldering must be lead-free, so lead-free soldering stations have emerged.
How to use lead-free soldering station
There are many functions of the soldering station, which is also to meet the production requirements of the precision electronic processing industry. Generally, the following aspects are required:
1: The temperature locking function of the soldering station cannot be greatly deviated.
2: The password lock function prevents workers from accidentally changing the welding temperature at will.
3: Anti-static function, precision chip soldering process requires strict anti-static requirements.
4: Automatic sleep function, in order to extend the life of the tip.
5: Temperature compensation function, heating and temperature recovery speed is fast.
6: Digital display temperature, easy to adjust.
Type and model
In fact, the current constant temperature soldering station has reached the requirement of lead-free soldering. The soldering temperature of the ordinary soldering station can reach 450 degrees, for example, the ordinary ULUOMAY936A constant temperature soldering station.
Of course, there are also true lead-free soldering stations designed for high-precision lead-free precision electronic soldering, such as high-frequency lead-free soldering stations, which can reach a maximum power of 200W, and have fast heating and heat-reinforcing speeds. Therefore, the solder joints during the soldering process are free of any air bubbles, voids and gaps. Common models include ULUOMAY2000AULUOMAY2000CULUO3000, etc.
The difference between lead-free soldering station and lead soldering station
In fact, the main reason is the difference in soldering temperature. The soldering temperature required for lead-free tin wire is higher, generally around 250 degrees, while the soldering temperature of ordinary tin wire is 180 degrees, so the soldering temperature of lead-free soldering station is higher. And the lead-free soldering station heats up faster. There are of course exceptions. In lead-free solders, there are also low-temperature solders that have a lower melting point than lead-based solders. But the price of this low temperature solder is quite expensive.
In theory, lead-free solder joints can be soldered with lead-free soldering stations because the temperature of the lead-free soldering station can reach the melting point of leaded solder. However, no one actually uses this, because once the lead solder is soldered on the lead-free soldering station, the lead-free soldering station is contaminated and can no longer be lead-free environmentally friendly products.
Conversely, lead-free soldering stations cannot be soldered with lead-free solder because the temperature of the lead soldering station may not reach the melting temperature of the lead-free solder. 
Editor in charge: Zhao Hongli
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