Ultrasonic cleaning transducer:
The device that uses the piezoelectric effect to realize the mutual conversion of electric energy and sound energy is called a piezoelectric transducer, which is composed of a radiation head, an electrode sheet, a back metal cover, a prestressed screw (screw), a piezoelectric wafer, and an insulating tube. It is widely used in ultrasonic cleaning machines and industrial high-power cleaning equipment.

Features :
◊ High efficiency: The mechanical Q value is high, and the electro-acoustic conversion efficiency is as high as 95% or more.
◊ Strong amplitude: The vibrator has a high vibration speed. Compared with the magnetostrictive vibrator, the amplitude is increased by more than 50%.
◊ Good heat resistance: wide operating temperature range, low resonance impedance, continuous work, low heat generation.
◊ Easy to install: only need to be fastened with bolts, easy to install, and high reliability.

Product category:
A. Classification of piezoelectric wafers: P4 series with black wafers and P8 series with yellow wafers;
B. Frequency classification: low frequency series (17~23KHz), intermediate frequency series (25~28KHz), medium and high frequency series (33~60KHz) and high frequency series (68-200KHz);
C. Power classification: 30W series (including 35W), 50W series (including 60W), 100W series (including 80W) and other unconventional power;
D. Shape classification: straight cylindrical and trumpet type;

Frequency selection:
The frequency of the transducer is inversely proportional to the wavelength, and the wavelength is related to the diameter of the cavity (strictly speaking, it is caused by the longer nucleation time at low frequency), and the diameter of the cavity is related to its explosion pressure. Generally, the higher the frequency, the smaller the wavelength, the smaller the diameter of the cavity, the lower the explosion pressure, but the higher the density of the cavity and the better the permeability.
Based on the above principles:
Low frequency (17~23KHz): When the cleaned object is dirty or difficult to clean, and the explosion impact does not damage the surface of the cleaned object, a low-frequency series transducer should be selected. Common industries are: magnetic industry, auto maintenance industry, textile industry, etc. Note that the noise of this series is loud, so it is best to do sound insulation treatment.

Intermediate frequency (25~28KHz): When the cleaning object is slightly dirty or the cleaning is moderate, and the explosion impact does not damage the surface of the object to be cleaned, an intermediate frequency series transducer should be selected. This series of industries are the most widely used. Common ones are: machining industry, electroplating industry, catering industry, etc.

Medium and high frequency (33~60KHz): The medium and high frequency series transducer should be selected when the cleaned object is lightly dirty and easy to clean, or when there is a requirement for explosion impact on the surface of the cleaned object. Commonly used industries are: precision parts, glass glasses, electronic components, circuit boards, etc.;

High frequency (68-200KHz): The cleaned object is very lightly dirty and easy to clean. When it is required to prohibit any damage to the surface of the cleaned object from the impact of the explosion, a high-frequency series transducer should be selected. Commonly used industries are: semiconductors, special high-precision parts, etc.

Multi Frequency Ultrasonic cleaning Transducer