Ultrasonic bath

Recently, optics and jewelers willingly offer ultrasound cleaning service. For the procedure, a special unit called an ultrasonic bath (UZ-bath), where there is a special tank to accommodate processed objects. Useful properties of ultrasound manifest themselves in a special fluid. The wizard needs to put an object, turn on the device, then wash. Minimum actions!

Theoretically, such a bath can be made any capacity using special equipment for creating and distributing ultrasound.

Application

Cleansing objects is the easiest and most common way to use ultrasonic baths in most industries. The device in medicine, studies use in great demand - using ultrasound accelerate reactions, test tests with substances, sterilize the tools. It is necessary for cleaning hard-to-reach places, fine and small work, complemented by special reagents. Widespread use of the device in the workshops of office equipment, mobile phones, at jewelers, filters and engines are washed in autoinadustrus.

Therefore, some individual entrepreneurs are very useful to make such an assistant that will carry out part of operations, freeing the time and hands of the master for more important and difficult work.

Cleaning injectors

In car services, a Uz-bath is used for different cleaning, helping climbing deep into and speed up the repair process. For example, cleaning nozzles is a fairly common operation. This option is not suitable for ceramic products.

Previously, you need to disassemble the details to get the nozzles and check them on the test device, and then immerse in the tank-bath tank filled with a special solution. At the end of the process, they re-check.

The method is considered more effective than just flushing, however, the wear of parts becomes more due to cavitation. Because of this and technical nuances, cleaning nozzles ultrasound is used with large mileage and contamination.

For cleaning nozzles injectors ultrasound, see the next video.

Device

The construction of the Uz-bath is reduced to three elements (except capacity):

Generator, creating ultrasonic electrochails;
Emitter that turns oscillations into mechanical vibration;
The heating element (an additional part that improves efficiency) creates temperature conditions for a better process, can warm up liquid media to 70 °.

About how the purchased ultrasonic bath is arranged, see the next video.

Views

Baths are in demand in many industries, the difference lies in the size of details requiring cleaning, frequency of application and work volumes:

Portable - accurate devices with a capacity of up to 1 l., Apply for private or commercial cleaning of small parts. Simplified models are distinguished by an uncomplicated design, minimal features. For masters, semi-professional devices are made with additional options, electronically control, stainless steel reservoir of canceled quality.
Industrial ultrasound baths are characterized by dimensions: their working volume can be over 10 liters, minimal - from 4 liters. Almost all of them have the function of heating, timers and additional cleaning options.

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About ultrasound

Ultrasound is a physical term characterizing the sound level or noise, outside human hearing, its range is defined as 16 kHz - 1000 kHz.

In the study of Uz-waves, it was found that they cause a kind of "boiling" of liquid substances, due to which bubbles do not float, and explode, causing additional waves. Conditionally this process was given the name "cavitation", which was based on the work of the Uz-bath.

The size of the bubbles depends on the frequency of ultrasound: the higher the sound, the smallest bubbles. Therefore, this method allows you to push the dirt and fall from the surface of solid items. Cavitation has feedback from the height of ultrasound: from small bubbles The power of the pressure of emerging waves is less, therefore, at a relatively low frequency, cavitation is stronger. At the same time, "tags" on the surface, changing it at the level of the smallest particles. It turns out that the higher the frequency indicator, the miniature bubbles and the fewer tracks.

Features

Where the jewelry accuracy and fine cleaning are required, ultrasound-baths are simply indispensable, they have a number of advantages compared to any other mechanical method of purification:

No need to personally participate in work, after loading the item in the bath, it remains only to turn on the device;
There is no direct contact of the skin with chemistry, there is no negative impact on health;
The entire surface is cleaned - the smallest meshes, grooves, gaps where napkins, brushes, etc, etc.;
Ultrasound does not leave traces, chips and other rough damage on the surface.

Ultrasound is able to clear the precipitate, the remains of the paste, any corrosion, films, including protective. Some stones and minerals have organic origins or relate to sedimentary rocks, it makes them somewhat sensitive to such processing. For this reason, you need to pay attention to corals, pearls, opals, malachites, emeralds, turquoise, Tanzanites, Lyapis, and exclude them from the list of works: After the Uz-bath "Beauty", the stone, its cut and polishing is broken.

Additional functions

The use of accessories and special features simplifies and facilitates the operation of the device, in some cases - increases efficiency.

The most common features:

Multi-mode. The simplest domestic ultrasound baths work with 1-2 modes. Semi-professional allow you to configure up to 5 modes. A variety is associated with the nature of work and cleaning.
The timer sighs the time of work and automatically turns off the device, it is provided for almost all models except the simplest and budgetary home options.
Heated has almost all models, it increases efficiency and speeds up the process. The heating of the fluid is carried out by a maximum of 70 ° C, it is even more necessary values. The optimal heating temperature is 50 ° -60 ° C.
Protection - turn off the device without fluid and save it from overheating.
Antistatics - the property is useful when repairing cellular and office equipment, it is also achieved by using specific cleaners.
Electronic control panels, light indicators. Of course, these are cheating that increase the price of ultrasound baths, but it is difficult to do without them.
Accessories help make work simple and easy. These are grids and baskets for placing and washing parts, they will protect the steel container from contact with objects, damage and scratches. This will thoroughly extend the life of the device. Transparent covers can be attributed to accessories. It is very convenient, especially with the simultaneous cleaning of several small products.

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How to clean coins in an ultrasonic bath, see the next video.

Tips for choosing

Choose a Uz-bath - a step is important and responsible, which completely depends on the purpose of cleaning, the application area. It is with the loan on them that the operating parameters are chosen:

The volume of the Uz-bath is associated with the size and number of parts, items that you will be cleaned. It is forbidden to put these items on the surface of the bath (there is a possibility of resonance and the subsequent breakdown of the device), so the kit is better to purchase a basket so that at least 3 cm remains to the bottom.
The frequency of waves is a concept of applied physics. Depending on the nature of the cleaning and sensitivity of the material, select the operating frequency or choose a Uz-bath with a configured range.

20-50 kHz is relatively coarse cleaning, used for industrial facilities and parts, in the automotive industry. The frequency in 20 kgs can destroy cellular structures, but 35-40 kHz is a working range for household cleaning of resistant surfaces.

50-100 kHz - intense and softer cleaning, used in medicine and jewelry. Suitable for partial sterilization.

How to make your own hands?

Creative and capable technicians can create a "ultrasonic dream bath." To do this, you will need a small experience of electromechanics, cutter and simple adaptations: resistant to the exposure durable deep bowl from a stainless steel, a dielectric bath (for example, porcelain or glass), smaller in size than a bowl. The magnetic coil is useful, a flat magnet for radio engineering, a non-conductive rod, a pulse converter and a pump.

The transformer will act as a generator, the capacity form a working bath, and the emitter is made from the remaining spare parts: it is necessary to rewind the wire with reels on the cooked stick-dielectric, a magnet has been fought on a ferrite tail.

Having made the harvesting of the emitter, connect the bowls, leaving the porcelain inside the metal. It is necessary to make a hole from the bottom for contact with the emitter, and in the ceramic dishes two opposite "passages" for fluid. If the pump is connected to them, the process of updating the fluid can be automated. Here the emitter is located at the bottom, there may be several, it is possible to place on the sides of the bath. By connecting the emitter and the generator, you need to fill with the tank with liquid-cleaner and only then turn on the network. The converter must be strong and compensate for possible voltage jumps. To do this, the device is suitable for sensitive techniques used in television and repair of computers.

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Application Ultrasonic bath for cleaning items You can view in the following video.

Operation and care

When working with the circuit, you need to remember:

The operation of the device can only pass in the presence of fluid. Running a blank bath will damage. For the same reason, you need to track the fluid level. But leave a device that works or connected to the network cannot be: In addition to the voltage jump, there is a danger in the form of evaporation of the liquid. To extend the service life, connect the Uz-bath directly for cleaning manipulations.
If there is disinfector fluids using baths, the heating function should be turned off. Many of them contain chlorine compounds, dangerous for inhalation and safe in liquid form.
Since liquids-reagents are used in Uz-bath, then flushing is needed after cleaning. It can be carried out in the tank of the device, in a separate reservoir (dishes or sink) purified or running water, special composition. Purified is referred to from chemistry and active ions or distilled water.

In the next video you can see the process of care for the ultrasonic bath.

What fluids use?

The fluids complement the ultrasound action, which means they are divided into applications:

Waste liquids (Vega, Lira, Zestron-Fa) on an alcohol basis are suitable for workshops, cleaning boards and plates.
Universal and profile cleaners differ in their composition (alkaline, water), in its composition have surfactants. For example, the "Metal Purifier OM / UZ" is suitable for the auto repair shop, the Cleaner TM Flaye No. 2 is in jewelry salons, but the TM-Rempt cleaner 30 specialists for silver products are used, possibly homemade use, the TM-Remrad purifier on water based - to repair office equipment
The concentrate shampoos are carefully related to surfaces, remove static electricity. Creolean is used for cleaning and disinfection in dentistry, medicine, optics and jewelry. Economy is a universal means.

The concentrations of substances differ, and their packing 0.15 - 5 liters.

Advice

For commerce (cosmetology, dentistry, repair and jewelry workshops) Uz-bath is necessary. Read the instructions and auxiliary liquids carefully. Important working concentration, smell and impact on materials. In addition, different fluids may have different duration of exposure, so the stages of the purification process sometimes have to be chosen independently.

The cleaning procedure does not replace completely sterilization, but is a stage of processing, so it is impossible to ignore the recommendations of Sanpina.

Uz-bath is a good example of taking scientific achievements for household needs, but, as well as any electrical appliance requires attention and careful relationship. This is the secret of successful use.