The reason why the soldering iron tip of soldering machine turns black

Automatic soldering machine is mainly composed by XYZ aixs, temperature controller, tin breaker controller, cleaning box, soldering iron tips. The soldering iron tips for the soldering robot will turn black after using for some time. The following will introduce the reason why the soldering iron tip of the automatic soldering machine turns black.

Here is the content:

The reason why the soldering iron tip of the automatic soldering machine turns black

1. The use of leaded tin wire and lead-free soldering iron tip will shorten the life of the soldering iron head, accelerate the oxidation of the soldering iron head, and also cause the iron turns black.

2. Even if the flux is not used, it will turn black. The life of the soldering iron tip is generally not high, and it will turn black after a long service life.

3. Soldering iron tips turning black is an oxidation reaction, which is directly related to the flux. General flux is acidic, which intensifies oxidation.

4. Oxidation has a great relationship with temperature. The higher the temperature, the faster the oxidation, and the acid flux will accelerate the corrosion of the soldering iron tip.

5. Generally because of tin, tin is black after oxidation.

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