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    Home > Active Ingredient News > Drugs Articles > Key points of purchasing hscx ultrasonic cleaner

    Key points of purchasing hscx ultrasonic cleaner

    • Last Update: 2015-05-09
    • Source: Internet
    • Author: User
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    Ten key points of purchasing hscx ultrasonic cleaning machine: there are many ultrasonic cleaning machines in the market How can factory users choose the ultrasonic cleaning machine to better meet their production needs? Here are ten aspects to analyze I The selection of power ultrasonic cleaning effect is not necessarily in direct proportion to (power cleaning time), sometimes with small power, it takes a long time to clean the dirt If the power reaches a certain value, sometimes the dirt will be removed quickly If the selected power is too large, the cavitation intensity will be greatly increased, and the cleaning effect will be improved, but at this time, the more precise parts will also have corrosion points, which is not worth the loss Moreover, the cavitation at the vibration plate at the bottom of the cleaning cylinder is serious, and the water point corrosion will also increase When using organic solvents such as trichloroethylene, there is basically no problem, but when using water or water-soluble cleaning fluid, it is easy to suffer from water point corrosion, If the surface of vibration plate has been damaged, cavitation corrosion is more serious under high power, so ultrasonic power should be selected according to the actual use 2 Selection of frequency: ultrasonic cleaning frequency is between 28kHz and 120kHz When using water or water cleaning agent, the physical cleaning force caused by cavitation is obviously beneficial to low frequency, generally about 28-40khz For parts with small clearance, slit and deep hole, it is better to use high frequency (generally above 40KHz), or even several hundred kHz When cleaning clock parts, use 400kHz If wide band frequency modulation cleaning is used, the effect is better 3 When cleaning small parts and articles, the basket is often used Due to the ultrasonic attenuation caused by the mesh, special attention should be paid When the frequency is 28kHz, it is better to use a mesh of more than 10 mm IV selection of cleaning solution temperature the suitable cleaning temperature of water cleaning solution Zui is 40-60 ℃, especially in cold weather, if the temperature of cleaning solution is low and the cavitation effect is poor, the cleaning effect is also poor Therefore, some of the cleaning machines around the outside of the cleaning cylinder heating electric wire for temperature control, when the temperature rises, cavitation is easy to occur, so the cleaning effect is better When the temperature continues to rise, the pressure of the gas in the cavity increases, resulting in the drop of the impact sound pressure, reflecting the multiplication of these two factors V it is better to determine the amount of cleaning liquid and the position of cleaning parts Generally, the level of cleaning liquid is more than 100mm higher than the surface of vibrator Due to the influence of standing wave field, the amplitude of single frequency cleaning machine is very small at the wave node and large at the wave amplitude, resulting in uneven cleaning Therefore, Zui preferred to place the cleaning articles at the wave amplitude Vi before purchasing the cleaning system, the selection of ultrasonic cleaning process and cleaning solution shall be analyzed as follows: the material composition, structure and quantity of the cleaned parts shall be defined, and the dirt to be removed shall be analyzed and defined, which are the preconditions for determining the cleaning method to be used and determining whether to use water-based cleaning solution or solvent The final cleaning process of Zui needs to be verified by cleaning experiments Only in this way can we provide a proper cleaning system, a reasonable design of cleaning process and cleaning fluid Considering the influence of the physical properties of cleaning solution on ultrasonic cleaning, steam pressure, surface tension, viscosity and density should be significant factors Temperature can affect these factors, so it can also affect the efficiency of cavitation Any cleaning system must use cleaning fluid Three factors should be considered when choosing cleaning solution: a cleaning efficiency: when choosing Zui effective cleaning solvent, we must do experiments If ultrasound is introduced into the existing cleaning process, the solvent used generally does not need to be changed; B simple operation: the liquid used should be safe, non-toxic, simple operation and long service life; C cost: the use cost of Zui cheap cleaning solvent is not necessarily low In use, it is necessary to take into account the factors such as cleaning efficiency, safety of solvent, how many workpieces can be cleaned by a certain amount of solvent, and high utilization rate of Zui Of course, the selected cleaning solvent must achieve the cleaning effect and be compatible with the cleaned workpiece material Water is the common cleaning solution of Zui, so the system using water-based solution is easy to operate, low cost and widely used.
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