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KoreanUltrasonic cleaning equipment cleaning objects and scale of production according to the requirements of its composition and structure vary greatly, which can be complex, large equipment, it can be very simple structure. Here focuses on the ultrasonic frequency power supply, ultrasonic transducer and ultrasonic cleaning tank cleaning equipment composed of a core part of the quality problems.
1, the ultrasonic transducer structure choice
When the ultrasonic transducer input electrical power is the same, as speaker radiating area than rod transducer large, so the sound intensity radiating lower stainless steel plate bonded to its surface a small cavitation corrosion. Cleaning tank (or immersion transducers) are living longer. So in general, the use of horn-shaped transducer is better, in order to further improve the sound radiation efficiency, broadband development, China has developed a semi-perforated structure of the broadband ultrasonic cleaning transducer "
This ultrasonic transducer, especially at higher frequencies {40KHz or above), the advantage is more prominent. Because it can weaken the lateral vibration of the adverse impact as a wide band, but also conducive to sweep clean.
2, the ultrasonic transducer in the cleaning tank and the distribution of bond issues
At present, some ultrasonic cleaning machine products, glued to the bottom or wall cleaning transducer located too close, arranged in a close one. One way to judge the quality of bonding is in the cleaning tank filled with water and start working for some time, measuring the temperature rise of ultrasonic transducer. If a large number of transducers in a transducer temperature rise particularly fast, it indicates that the transducer may be bonded well. Sound radiation is not good because at this time, the majority of electric energy consumption in the transducer on the heat. Another method is to measure the small signal condition by-impedance transducer to determine the size of bond quality.
Ultrasonic transducer and the bonding quality of the cleaning tank ultrasonic cleaning machine a great impact on the quality of the machine. Not only to cement, and requires uniform layer, there is no shortage of plastic and does not allow cracks to maximize the ultrasonic energy transmitted to the cleaning solution to improve overall efficiency and cleaning effect. At present, some cleaning equipment to prevent the transducer from the cleaning tank fell off. To screw and glue a fixed way, though this connection will not fall to the transducer, but there are many hidden dangers. If you screw the poor quality of welding, such as stainless steel plate is not perpendicular to the surface, the layer is uneven, and even cracks or missing plastic, energy transfer will be reduced; the other hand. If the weld is not good also affect the smooth stainless steel surface, leading to accelerated cavitation corrosion and shorten life.
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