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Welding Problems of Piezoelectric Ceramics
2022-06-14
Welding Problems of Piezoelectric Ceramics
Piezoelectric ceramics have always been the focus of many people's attention. After all, we don't know much about this aspect, so we attach great importance to the problems in the actual welding process.
Question 1: Is it possible to make the buzzer with piezoelectric ceramics to press the welding to the whole piezoelectric ceramics?
If you want to use piezoelectric ceramics to make buzzer chips, there may be a mismatch between the raw materials that are welded together or when welding. Piezoelectric ceramics are basically calculated based on capacitance, and the capacity of capacitors is also calculated. In the same way, the calculation method of plate capacitors is used, so welding must be carried out directly on this problem.
Question 2: What are the simple ways for piezoelectric ceramics to oscillate?
There must be some simple methods for piezoelectric ceramics to oscillate, but these ceramics must be connected to the secondary AC voltage of the small transformer during the actual oscillation process to complete the voltage of the ceramic pieces. Or some other mechanical oscillations, and the magnitude of the voltage is generally 0.1 to 0.5 volts, which is a very small oscillating flow of piezoelectric ceramics.
Question 3: Which frequency is higher for piezoelectric ceramic thickness direction oscillation and radial oscillation?
In the transducer, the thickness or directional oscillation and radial motion of piezoelectric ceramics can basically be compared in many ways, but from a professional point of view, the power of the oscillation in the thickness direction will be higher, which is more convenient. That is to say, if there are conditions, there may be only one radial oscillation. The answer to this question is certain. Therefore, the thickness direction oscillation is very important, and it may not be necessary if there are special circumstances.
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