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120W 28khz High Power Ultrasonic Piezo Electric Cleaning Oscillator For Korean Washing Machine
1-9999 Piece
$13.00
≥ 10000 Piece
$10.00
- Item No.20201104fac69MOQ1 Piece
- Product size20 x 15 x 15 mProduct weight2 kg
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If over 500pcs, mass production will start until pre-production sample has been approved.
Est. 7 days production
120W 28khz High Power Ultrasonic Piezo Electric Cleaning Oscillator For Korean Washing Machine
The ultrasonic vibrator is a device that realizes the mutual conversion of electrical energy and mechanical energy (acoustic vibration) by the piezoelectric effect of piezoelectric ceramics, and amplifies the front and rear radiation cover blocks with acoustic impedance matching. The frequency is fixed during production. Customers' needs, custom transducers of different frequencies, and produced transducers can only be fixed at this frequency. In fact, the ultrasonic cavitation threshold is closely related to the frequency. The higher the frequency, the higher the cavitation threshold. The lower the frequency, the lower the cavitation threshold, the easier it is to produce cavitation.
At low frequencies, the time between compression and thinning of the liquid is longer. The bubble can grow to a larger size, and the cavitation strength is enhanced, which is beneficial to the cleaning effect. Therefore, low frequency ultrasonic cleaning is generally used in the case of large parts or high adhesion between dirt and the surface of the workpiece. But it is easy to damage and corrode the workpiece surface. Therefore, parts with higher requirements on the workpiece surface are not suitable for selecting lower frequencies. Moreover, the frequency is low, and the noise generated is correspondingly large. High-frequency ultrasonic waves have strong penetrating power, and should be cleaned and cleaned on parts with high surface finish requirements or complex surfaces with many blind holes.
On the one hand, the noise of high-frequency ultrasound is also small, which is suitable for cleaning some precision parts, such as some electronic parts, small bearing processing, and magnetic materials. For the cleaning of some special workpieces such as integrated circuit chips and silicon wafer coating, higher frequency ultrasonic waves are suitable for cleaning. For some large workpieces, such as automobile engines, valves and other large workpieces, low frequency ultrasonic cleaning should be selected.
On the other hand, considering the ultrasonic cleaning effect and economy, the frequency is generally selected between 20 ~ 130KHz. The specific selection frequency should be determined by corresponding experiments. In summary, the frequency of the ultrasonic vibrator is fixed, so during production, there will be continuous procedures to test whether the frequency is qualified, and it is produced strictly according to requirements.
Principle of ultrasonic vibrator arrangement:
(1) Cleaning different product layouts have different requirements, such as the degree of oil staining of the product, the difficulty of cleaning, the level of cleaning requirements, and the design of the cleaning process, all require targeted selection.
(2) The arrangement of the vibrators is not as dense as possible, and the right one is the best.
3. Introduction to ultrasonic vibrator:
The ultrasonic vibrator, also called the ultrasonic vibrating head, is an ultrasonic transducer and is a core component of the ultrasonic cleaning machine. Industry standard name: Ultrasonic transducer, which belongs to piezoelectric ceramic material and one of the main accessories of ultrasonic cleaning machine. From the power point, a single ultrasonic head is 60W, 100W. The frequencies are: 20KHZ, 25KHZ, 28KHZ, 40KHZ, 68KHZ, 80KHZ, 100KHZ, or higher; the difference in shape is: straight cylindrical shape, horn shape, and the like.
120W 28khz High Power Ultrasonic Piezo Electric Cleaning Oscillator For Korean Washing Machine
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