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04 Oct 2022

Use of ultrasonic cleaning machines in industry

What industries use ultrasonic cleaning machines and why? Below, we will outline the benefits and functions of ultrasonic cleaning in specific industry sectors – e.g. Automotive, medical, aerospace and parts remanufacturing.

High level of technical cleanliness, thoroughness, non-invasive process and easy implementation are just a few out of many benefits of ultrasonic cleaning out of many that make it such a popular solution in many branches of industry. Ultrasonic cleaning machines are often used by manufacturers in Automotive, medical, railway and remanufacturing sectors.

What does ultrasonic cleaning involve?

Ultrasonic cleaning uses the energy generated by ultrasound waves, which creates small cavitation bubbles on the surface of the liquid. This is due to variation in pressure, which generates voids in the liquid, which then collapse inwards – this process is called cavitation. The process of collapsing detaches contaminants from the surface of the cleaned parts. The removed contaminants stay in the cleaning liquid and do not tend to resettle on the part. The effects of cleaning can be amplified by use of proper chemicals, as well as optimum temperature and ultrasound frequency suitable for the purpose of cleaning:


  • 25 kHz – rough cleaning of parts, highest force
  • 40 kHz – higher frequency, used for less severe contamination and more delicate cleaning process
  • 80 kHz – for highly delicate parts, used e.g. in jewellery cleaning
  • >100 kHz – special cleaning applications, e.g. for semiconductors

Ultrasound intensity most commonly used in machines:

  • 8-10 W/l – in case of large tanks
  • 10…15 W/l – standard range
  • 15…25 W/l – used in small capacity tanks for quick effects and high efficiency


Combination of various frequency ultrasounds in one tank. The ultrasonic transducer is controlled by a special type of generator, which generates various frequencies.

Benefits of ultrasonic cleaning

  • Short cleaning process.
  • Low cost cleaning – it does not require high cleaning temperature, which greatly reduces the amount of electricity used.
  • High cleaning quality – the parts are cleaned evenly, even in areas that are difficult to access.
  • High effectiveness – it effectively removes various contaminants, e.g. residues of polishing compound, grinding paste, abrasives, shavings and filings, as well as lubricants and emulsions.
  • Non-invasive process – the cleaning process does not damage parts and mechanisms.
  • Safe process – ultrasonic cleaning process is easy and safe in operation.
  • Ability to meet the strictest cleaning requirements.

Ultrasonic cleaning machines in Automotive industry

Ultrasonic cleaning machines are used in the Automotive sector because they are highly effective in removing most difficult contaminants such as oils, lubricant or rust. Since the process of ultrasonic cleaning is non-invasive, the cleaned parts are safe. This is particularly important in this branch of industry, since automotive parts are made of light metals with very high precision.

As the automotive industry develops over the years, more and more emphasis is put on decreasing the cost of materials and production, as well as using more highly complex support units. Parts made of many complicated elements require the highest cleaning quality and ability to reach the most inaccessible crevices – which ultrasonic cleaning provides.

Ultrasonic cleaning machines in medical sector

Ultrasonic cleaning, due to its high level of effectiveness and accuracy, is perfect for companies and production plants from the medical sector, which need to maintain strict, high standards of technical cleanliness. Ultrasonic cleaning machines are a great solution for cleaning of medical tools (e.g. endoscopes) and in laboratories – e.g. for cleaning of medical trays, lab tools or bioanalyzers.

Ultrasonic cleaning machines in the remanufacturing sector

Ultrasounds are also highly effective in cleaning processes conducted in companies that deal with repairing and remanufacturing subassemblies, as well as machine maintenance. Such companies often work with highly contaminated parts which need to be thoroughly cleaned before they can be repaired or refurbished.

Ultrasonic cleaning machines guarantee great cleaning results with short process time. Even parts with very complicated shapes can reach a very high cleanliness level after being cleaned with ultrasounds. Since ultrasonic cleaning machines only require operator’s attention during loading and unloading, workers can perform other important task while the machine is in operation.

Ultrasonic cleaning with NOYEN

We are specialists in industrial cleaning, cleaning process automation and industrial chemicals. Every day, NOYEN Experts deliver comprehensive industrial cleaning solutions, responding to the needs of clients from various sectors. By choosing the best technologies and machines, we lift cleaning processes to the highest level of quality, improving the overall efficiency and quality of the production process.

NOYEN offers ultrasonic cleaning machines – NOYEN Compact 100, NOYEN Compact 200, NOYEN Compact 400, as well as machines from the NOYEN Ultra series. They are equipped with several cleaning technologies, which guarantee a flexible cleaning process that can be adjusted to the type of cleaned parts.

What is more, the clients who do not currently have the resources and opportunities to conduct industrial cleaning on their own can make use of our industrial cleaning service. This allows you to test the cleaning technology and meet even the strictest requirements of your clients without investing in new, dedicated equipment.

Contact us! Our specialists will do their best to find a solution that fits your needs.

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