Ultrasonic cleaning basics · 2 min read · Updated 2024-10-31

Why ultrasonic cleaning reaches where brushes cannot

Cavitation cleans blind holes, threads and internal passages that scrubbing and soaking leave dirty. What the process is, where it is used and what to expect.

Technical guide. Figures are taken from our own spec tables; for your process we confirm the settings with a cleaning trial.

Why ultrasonic cleaning reaches where brushes cannot

Cleaning can be a difficult task, especially when dealing with intricate or difficult-to-reach parts. Traditional cleaning methods, such as scrubbing or soaking, are not always effective, leaving particles of dirt behind that can impair the item’s functionality. This is where ultrasonic cleaning shines as a powerful cleaning solution for difficult cleaning tasks.

What is ultrasonic cleaning?

Ultrasonic cleaning is a method of agitating a cleaning solution using high-frequency sound waves. This agitation causes tiny bubbles to collapse, releasing massive energy. The influential power of the bubbles effectively removes dirt, grease, and other contaminants from the surface of the cleaned item, even in challenging-to-access areas.

The ultrasonic cleaning procedure involves immersing the item in a cleaning solution, exposing the cleaning solution to ultrasonic waves, and causing the ultrasonic waves to vibrate the cleaning solution, which forms tiny bubbles on the item’s surface. When the bubbles burst, they release a high-energy shock wave that loosens and removes dirt and contaminants.

Applications of ultrasonic cleaning

Ultrasonic cleaning is used in a variety of industries such as healthcare, automotive, aerospace, and electronics. It works well for cleaning medical instruments, automotive parts, jewelry, and electronic components. Ultrasonic cleaning has a variety of applications, including:

  1. Medical Instruments Ultrasonic cleaning is widely used to clean surgical and dental instruments, loosening residue from joints, serrations and hinges that a brush does not reach. It is a cleaning step only: disinfection or sterilisation follows as a separate process.
  2. Automotive Parts Ultrasonic cleaning is an effective way to remove dirt, oil, and grease from automotive parts such as carburetors, engine blocks, and transmission parts. It can also be used to clean fuel injectors and other delicate components.
  3. Jewelry Ultrasonic cleaning is a popular method for cleaning jewelry. It can effectively remove dirt, grime, and tarnish from delicate items such as earrings, necklaces, and bracelets.
  4. Electronics Ultrasonic cleaning is an effective way to clean electronic components such as circuit boards and computer chips. It can remove contaminants such as dust, oil, and solder flux.

Advantages of ultrasonic cleaning

Ultrasonic cleaning offers several advantages over traditional cleaning methods. Some of the benefits of ultrasonic cleaning include:

  1. Thorough Powerful Cleaning Ultrasonic cleaning is highly effective for removing dirt, grime, and contaminants from even the most intricate parts of an item. Additionally, it can clean surfaces that are challenging to reach with traditional cleaning methods.
  2. Efficient Cleaning Ultrasonic cleaning is a fast and efficient cleaning method; moreover, it can clean items in a fraction of the time it takes to clean them manually.
  3. Cost-Effective Ultrasonic cleaning is cost-effective compared to other cleaning methods. It can save businesses money on labor and cleaning supplies.
  4. Gentle Cleaning Ultrasonic cleaning is gentle on most parts when frequency, time and temperature suit the part. Soft metals, coatings and some electronic components can be marked or damaged, so test a sample first.

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