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Application description of Ultrasonic cleaning Machine
Aug 08, 2018

Design and operation principle

In an ultrasonic cleaner, the object to be cleaned is placed in a chamber containing a suitable solution (in water or organic solvents, depending on the application).In aqueous cleaners, surfactants, such as laundry detergents, are usually added to dissolve non-polar compounds such as oil and grease. The ultrasonic sensor is constructed into the chamber or reduced to the fluid by changing the size of the electrical signal of the frequency oscillation of the ultrasonic to produce the ultrasonic wave in the fluid. This creates a compression wave in the liquid in the tank, which "tears" the liquid, leaving millions of microscopic "voids" or "partial vacuum bubbles" (cavitation). These bubbles collapse with enormous energy; temperatures and pressures up to 5000 K and 135 MPa; however, they are very small and can only clean and remove surface contamination dirt and contaminants. The higher the frequency, the smaller the nodes between the cavitation points, allowing for more complex details to be cleaned.

Ultrasonic transducers showed 20 kHz and 40 kHz stacking. Active elements (near the top) are two lead zirconate titanate rings bolted to the aluminum coupling horn.

Sensors are usually piezoelectric (E. G. from lead zirconate, lead titanate, (PZT), barium titanate, etc.), but sometimes magnetostrictive. Ultrasonic stirring does not require the use of normally demanding chemicals as cleaners in many industries or much lower concentrations of chemicals.

Application area 

Ultrasonic cleaning machine is widely used in surface spraying industry, machinery industry, electronics industry, medical industry, semiconductor industry, clock jewelry industry, optical industry, textile printing and dyeing industry. Other industries, such as ultrasonic cleaning machines are used as follows:

1.Surface spraying industry: (clean attachments: oil, mechanical chips, abrasives, dust, polishing wax). Removal of carbon deposition, removal of oxide skin, removal of polishing paste, removal of oil and rust, cleaning before ion plating, phosphating treatment, surface activation treatment of metal workpieces, etc.Stainless steel polishing, stainless steel cutting tools, cutlery, tools, locks, lighting, hand decoration spray pretreatment, plating before cleaning.

2.Mechanical industry: (cleaning attachments: cutting oil, abrasive particles, iron chips, dust, fingerprints). Removal of antirust grease; cleaning of measuring tools; deoiling and rust removal of mechanical parts; engine, engine parts, gearbox, shock absorber, bearing, oil nozzle, cylinder block, valve body, carburetor and automotive parts and chassis before deoiling and rust removal, Cleaning before phosphating;filter, piston fittings, filter screen cleaning, etc. Precision mechanical parts, compressor parts, camera parts, bearings, hardware parts, molds, especially in the railway industry, the air conditioning for train cars oil decontamination, anti-rust train front parts, deoiling is very suitable.    

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