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    选择合适的超声波清洗机频率的条件
    2016-5-17 10:52:02
    超声空化阀值和超声波的频率有密切关系,频率越高,空化阀越高。超声波清洗机换句话说,频率低,空化越容易产生,而且在低频情况下液体受到的压缩和稀疏作用有更长的时间间隔,使气泡在崩溃前能生长到较大的尺寸,增高空化强度,有利于清洗作用。
    There is a close relationship between the threshold of ultrasonic cavitation and ultrasonic frequency, the higher the frequency, the higher the cavitation valve. Ultrasonic cleaning machine, in other words, low frequency, the more prone to cavitation, and in low frequency liquid by compression and rarefaction has longer time intervals, the bubble before the crash can grow to a larger size, higher cavitation intensity, facilitates the cleaning effect.
    所以低频超声清洗适用于大部件表面或者污物和清洗件表面结合度高的场合。但易腐蚀清洗件表面,不适宜清洗表面光洁度高的部件,而且空化噪音大。40 KHZ左右的频率,在相同声强下,产生的空化泡数量比频率为20KHZ时多,穿透力较强,宜清洗表面形状复杂或有盲孔的工件,空化噪音较小,但空化强度较低,适合清洗污物与被清洗件表面结合力较弱的场合。
    So low frequency ultrasonic cleaning is suitable for large parts of the surface or dirt and cleaning parts of the high degree of combination of occasions. However, it is easy to clean the surface of the cleaning parts, it is not suitable for cleaning parts with high surface finish, and the cavitation noise is high. About 40 kHz frequency. In the same sound intensity, cavitation bubble number frequency is 20kHz much, strong penetrating power, should be cleaning the surface with complex shape or a blind hole in the workpiece, cavitation noise smaller, but cavitation intensity is low, suitable for cleaning dirt and cleaning surface binding force is weak.
    高频超声清洗适用于计算机,微电子元件的精细清洗;兆赫超声清洗适用于集成电路芯片、硅片及波薄膜的清洗,能去除微米、亚微米级的污物而对清洗件没有任何损伤。因此从清洗效果及经济性考虑,频率一般选择在20—130KHZ范围,当然正确选择频率至关重要,而具体合适的工作频率的选取需要做一定的实验取得。
    High frequency ultrasonic cleaning for computer, microelectronic components cleaning fine; MHz ultrasonic cleaning is suitable for integrated circuit chips, wafers and thin film wave cleaning, can remove micron, submicron dirt and cleaning without any damage. So considering the cleaning effect and economy. The general frequency selection in 20 - 130KHz for range, of course, correct choice of frequency is very important, and specific appropriate working frequency selection requires do some experimental results.
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    This article from the spray cleaning machine to provide help, more relevant content, please click: http://www.sinokohl.com/ we will be the details for you to answer!