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How to weld the electrode of piezoelectric ceramic buzzer disc?

How to weld the electrode of piezoelectric ceramic buzzer disc?

Last Updated on June 16, 2021 by You Ling

In a word to say, how to connect the wire of piezo disc in different applications.

This depends on what kind of lead you choose, generally divided into pins and leads, leads are divided into many kinds, woven wire, lacquer wire, insulated multi-wire and so on. Ceramic electrode generally uses silver electrode, very easy to weld.

connect the wire of piezo disc

Using ordinary soldering wire or lead-free soldering wire, more than 25W electric soldering iron can be used, it is best to choose electric soldering iron with temperature control; welding temperature and welding time should be paid attention to, the temperature should be below 350 degrees Celsius, the time should not be more than 1 second, too high temperature or too long welding time is easy to cause “flying silver”, that is to say, the thinner the ceramic sheet, the more attention should be paid to it.

In addition to ceramic sheet electrode, there is also a metal sheet, generally brass sheet, iron-nickel alloy sheet, stainless steel sheet, Makou iron sheet and so on, in which brass sheet and iron-nickel alloy sheet can be welded directly, but it is more difficult to weld than ceramic sheet electrode. Stainless steel and Makou iron sheet need acid flux.

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