Industrial Ultrasonic Cleaner FAQ

Welcome to the SIWEEP FAQ Center. Here you’ll find answers to the most common questions about our industrial ultrasonic cleaners, ultrasonic transducer systems, generators, and accessories.

1. How does an ultrasonic cleaner work?

Ultrasonic cleaners use high-frequency sound waves to create millions of microscopic cavitation bubbles in a cleaning solution. As these bubbles rapidly form and collapse, they generate gentle yet powerful cleaning energy that removes grease, oil, carbon deposits, polishing compounds, and other contaminants from surfaces, blind holes, threads, and hard-to-reach areas.

2. What can I clean with an ultrasonic cleaner?

SIWEEP ultrasonic cleaners are suitable for a wide range of applications, including:

  • Metal parts
  • Automotive components
  • Engine parts
  • Carburetors
  • Fuel injectors
  • Bearings
  • Laboratory instruments
  • Medical instruments (where appropriate)
  • Electronic components (following proper procedures)
  • Molds and tooling
  • Jewelry and precision hardware

Always verify that the material is compatible with ultrasonic cleaning before use.

3. What should NOT be cleaned in an ultrasonic cleaner?

Certain materials should not be cleaned ultrasonically, including:

  • Pearls
  • Opals
  • Emeralds
  • Soft gemstones
  • Items with loose adhesives
  • Delicate painted surfaces
  • Materials that are not suitable for immersion

If you are unsure whether an item is compatible, contact our technical support before cleaning.

4. Which ultrasonic frequency should I choose?

The ideal frequency depends on your application.

  • 28 kHz – Heavy grease, carbon deposits, castings, and industrial parts.
  • 40 kHz – General-purpose precision cleaning.
  • 68–120 kHz – Delicate components, optical parts, electronics, and fine instruments.

Lower frequencies provide more aggressive cleaning, while higher frequencies are gentler and better suited to precision applications.

5. Do I need a cleaning solution?

Yes. While water can remove light contamination, using an appropriate ultrasonic cleaning solution significantly improves cleaning performance.

The correct solution depends on the contaminants being removed, such as:

  • Oil
  • Grease
  • Carbon
  • Rust
  • Flux
  • Polishing compounds

Always use cleaning solutions recommended for ultrasonic applications.

6. Can I use the machine without water?

No.

Never operate an ultrasonic cleaner without liquid in the tank. Running the unit dry may damage the ultrasonic transducers and heating system. Always fill the tank to the recommended level before turning on the machine.

7. Why should I use the cleaning basket?

The basket keeps parts suspended in the cleaning solution and prevents them from resting directly on the tank bottom.

This helps:

  • Improve cavitation performance
  • Protect the stainless steel tank
  • Prevent unnecessary wear

8. What cleaning temperature is recommended?

For most industrial applications:

  • Room temperature is suitable for light contamination.
  • 40–60°C (104–140°F) is recommended for oils, grease, and many industrial contaminants.
  • Avoid excessive temperatures when cleaning heat-sensitive materials.

9. How long should a cleaning cycle last?

Cleaning time depends on:

  • Part size
  • Material
  • Type of contamination
  • Cleaning solution
  • Frequency

Typical cleaning cycles range from 5 to 30 minutes. Heavily contaminated parts may require additional cycles.

10. Why does the cleaning solution become warm?

Ultrasonic energy naturally generates heat during operation. This is normal and can even improve cleaning performance for many industrial applications.

11. How often should I replace the cleaning solution?

Replace the solution whenever it becomes heavily contaminated or when cleaning performance noticeably decreases.

Regular solution replacement helps maintain consistent cleaning quality.

12. Can SIWEEP machines operate continuously?

Most SIWEEP industrial ultrasonic cleaners are designed for demanding professional use. However, following the recommended operating cycles and allowing proper ventilation will maximize equipment life.

Please refer to your product manual for the specific duty cycle of your model.

13. Do your products support 110V and 220V?

Yes.

We offer models compatible with different regional electrical standards, including:

  • 110–120V
  • 220–240V

Please select the appropriate voltage when placing your order.

14. What warranty do SIWEEP products include?

Our products are covered by a limited warranty against manufacturing defects.

For complete warranty details, please visit our Warranty Policy page.

15. How long does shipping take?

Shipping time depends on:

  • Product type
  • Inventory availability
  • Destination
  • Shipping method

Estimated delivery times are available in our Shipping Policy.

16. Can I return an industrial ultrasonic cleaner?

Yes.

Unused products in their original condition may be eligible for return according to our Return Policy.

Customized equipment and certain special-order products may not qualify for return.

17. Do you provide technical support?

Absolutely.

Our technical support team is available to assist with:

  • Product selection
  • Installation guidance
  • Operating questions
  • Troubleshooting
  • Maintenance recommendations

18. How do I choose the right ultrasonic cleaner?

When selecting an ultrasonic cleaner, consider:

  • Maximum part dimensions
  • Daily workload
  • Type of contamination
  • Required cleaning precision
  • Ultrasonic frequency
  • Tank capacity
  • Heating requirements

If you’re unsure which model best fits your application, contact SIWEEP for professional recommendations.

Still Have Questions?

If you can’t find the answer you’re looking for, our support team is here to help.

Email: [email protected]

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