Document.write('') ​​Ultrasonic cleaning document.write('') ​​devices are generally available in both general and special models.
1 , general document.write ('') ultrasonic cleaning machine document.write ('')
    The structure of the ultrasonic cleaning machine generally has two forms of ultrasonic power supply and cleaning device integrated or separate layout. Generally, the low-power ( 200W or less) cleaning machine adopts an integrated structure, and the high-power cleaning machine adopts a split structure. Ultrasonic cleaning machine split structure consists of three main parts
    ( 1 ) cleaning cylinder;
    ( 2 ) an ultrasonic generator;
    ( 3 ) ultrasonic transducers;
    Cleaning cylinder: The cleaning cylinder is a stainless steel container used to load the cleaning fluid and the workpiece to be cleaned. Most of the workpieces can be installed in the mesh frame and then put together in the cylinder for cleaning. Ultrasonic generator: ultrasonic cleaner with ultrasonic generator, from the type of components used can be divided into the electronic tube type, SCR-type transistor type. In recent years, it has been developed to use high-power " power modules " . Its output power ranges from tens of watts up to several kilowatts, and its operating frequency ranges from 15kHz to 40kHz.
    The ultrasonic generator for ultrasonic cleaners has the following characteristics:
    ( 1 ) The transducer resonance frequency and impedance vary greatly with the depth of the cleaning fluid. However, practice has shown that after a proper amount of cleaning material is placed in the tank, it can basically be stabilized at a certain value.
    ( 2 ) In general, since the cleaning load variation is small, the complex frequency automatic tracking circuit can be eliminated.
    ( 3 ) Practical ultrasonic generators, most of which use high-power self-excited feedback oscillators . Ultrasonic transducers: The transducers used in ultrasonic cleaners are mainly the following:
1 Magnetostrictive transducers Most of the magnetostrictive transducers used in China are window-type transducers that are stacked with nickel sheets. Silver is welded to the bottom of the cleaning cylinder, and then a certain number of windings are wound on the window. Made. The transducer can withstand high power, has good reliability and long service life. The disadvantage is that the efficiency is lower than that of the piezoelectric transducer, and the raw material nickel sheet is expensive.
2 Piezoelectric Transducers At present, most ultrasonic cleaning machines at home and abroad use piezoelectric transducers.
    Such transducers typically consist of two piezoelectric ceramic wafers. A cleaning machine uses a plurality of transducers, which are bonded to the bottom of the cleaning cylinder via an adhesive and connected in parallel to form a transducer of a cleaning machine. The distance between the transducer elements (usually 5 for the frequency 20kH4)
    General ultrasonic cleaning machine cleaning parts have strong applicability and have been widely used in many industries such as electronics, watches, optics, machinery, automobiles , aviation, atomic energy industry, medical equipment and so on.
2 , dedicated document.write ('') ultrasonic cleaning machine document.write ('')
    It is usually installed on the production line for cleaning certain specific items.
    Typical soft magnetic device ultrasonic cleaning equipment introduction: The cleaned object can be sent from the stainless steel special mesh belt that can be driven from the feeding port to the ultrasonic cleaning tank for cleaning, and then discharged after spraying and drying, so that the object to be cleaned can be directly Packaging and storage. A brief description of each process is as follows:
1 feeding: object feeding can be semi-automatic feeding
2 Piezoelectric Transducers At present, most ultrasonic cleaning machines at home and abroad use piezoelectric transducers to survey L -shaped structures.
    Such transducers typically consist of two piezoelectric ceramic wafers. A cleaning machine uses a plurality of transducers, which are bonded to the bottom of the cleaning cylinder via an adhesive and connected in parallel to form a transducer of a cleaning machine. The distance between the transducer elements (usually 5 for the frequency 20kH4)
    General ultrasonic cleaning machine cleaning parts have strong applicability and have been widely used in many industries such as electronics, watches, optics, machinery, automobiles, aviation, atomic energy industry, medical equipment and so on.
    Special ultrasonic cleaners are typically installed on the production lines for certain specific items.
    A typical soft magnetic device ultrasonic cleaning device, the object to be cleaned can be sent from the stainless steel special mesh belt of the feeding port to the ultrasonic cleaning tank for cleaning, and then discharged after spraying, drying, etc., so that the object to be cleaned can be directly packaged. Storage. A brief description of each process is as follows:
1 Feeding: The material feeding can be semi-automatic feeding or discharging: the material discharging can be carried out by automatic receiving or manual receiving, and the cleaning object is loaded into the packaging box.
    Through the above process, the whole process of using the ultrasonic cleaning of the object is completed.
    At present, there is also an ultrasonic vapor phase cleaning machine which uses an organic solvent as a cleaning liquid and has a strong ability to dissolve dirt, and is used for cleaning objects such as semiconductor wafers with particularly high requirements for cleanliness.
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