Russell Finex · Vibrasonic® Deblinding

Ultrasonic Sieving & Mesh Deblinding

Keep fine mesh working when difficult powders block the screen and slow production.

Carolina Material Technologies helps you evaluate Russell Finex ultrasonic deblinding for new screening equipment and compatible existing sieves. Start with your material, mesh, and the performance you need to improve.

Ultrasonic mesh screens for industrial sieve deblinding
Ultrasonic deblinding works with the sieve mesh to help maintain open screening area.

Recognize the bottleneck

Is your screen losing effective screening area?

Fine particles can coat the mesh, while particles close to the aperture size can lodge in the openings. As more openings become obstructed, less area remains available for material to pass through.

Common signs worth investigating include:

  • Throughput falls as a batch or production run progresses.
  • Operators stop frequently to clear or clean the mesh.
  • Usable product leaves with the retained oversize.
  • A finer mesh meets the size requirement but struggles to maintain the required rate.

These symptoms can have several causes. Feed distribution, moisture, mesh condition, and machine settings should be reviewed alongside deblinding.

Close-up of screening mesh used to evaluate deblinding
Material behavior at the mesh is central to an effective screening application review.

High-frequency vibration at the mesh

How ultrasonic sieving works

The Russell Vibrasonic® Deblinding System introduces high-frequency vibration to a compatible screen mesh. It works alongside the sieve's main vibration to help prevent particles from sticking to or blocking the screen openings.

01 · Control

Generate the Signal

The ultrasonic control unit supplies the signal that drives the system. Available operating adjustments depend on the selected equipment.

02 · Transfer

Excite the Mesh

A transducer converts the electrical signal into mechanical vibration and transfers that energy into the specially prepared screen assembly.

03 · Screen

Maintain Open Apertures

Ultrasonic activity helps resist particle buildup while the sieve transports material across the screen and separates it through the selected openings.

The screen aperture still determines the nominal separation. Ultrasonic deblinding helps the mesh perform its screening function. Mesh selection, feed rate, and the main sieve settings remain part of the setup.

Equipment demonstration

See ultrasonic deblinding in action

Use the demonstration to explore how ultrasonic assistance relates to powder movement and mesh performance, then review the requirements of your own application.

Watch the deblinding video on YouTube →

Evaluate the improvement that matters

Support more consistent fine-powder screening

Where mesh blinding is the limiting factor, ultrasonic assistance can offer several operating benefits. Results depend on the material and complete screening arrangement.

Maintain Screening Rate

Keeping more apertures available can help reduce the decline in throughput caused by progressive mesh blockage.

Evaluate Finer Separations

Ultrasonic assistance can make a finer mesh practical for some difficult powders. The target cut and required rate should be evaluated together.

Reduce Cleaning Interruptions

Less buildup can reduce the need to stop and manually clear the mesh, while limiting repeated handling of delicate screens.

Applications to consider: fine food ingredients, pharmaceutical powders, pigments, powder coatings, ceramics, and other difficult chemical powders. Suitability depends on how the material behaves at the required aperture.

Select the complete screening arrangement

For new equipment or an existing sieve

Ultrasonic deblinding can be evaluated during new machine selection or as an upgrade to compatible equipment. An existing machine needs a compatibility review before a retrofit is specified.

New Check Screeners

Specify mesh, ultrasonic components, and machine configuration together for oversize-removal applications.

Explore Check Screeners →

New Grading Sieves

Evaluate which grading cuts need deblinding assistance and whether the proposed deck arrangement can accommodate it.

Explore Grading Sieves →

Existing Equipment

Provide the manufacturer, model, screen diameter, mesh specification, and photographs. Screen construction, clearances, and operating conditions affect compatibility.

Request a Retrofit Review →
Tuning matters. More ultrasonic intensity or stronger machine vibration is not automatically better. Material needs appropriate contact with the mesh, so the ultrasonic settings, sieve motion, and feed conditions should be evaluated together.

Application review

Help us understand your mesh-blinding problem

Share what you are screening, when performance changes, and the result you need. These details help CMT and Russell Finex assess the next step.

Information Details to provide
Material behavior Product name, particle-size distribution, bulk density, moisture, temperature, and tendency to stick or agglomerate.
Mesh specification Aperture in microns, mesh count and wire diameter if known, screen material, and current screen construction.
Current equipment Manufacturer, model, screen diameter, number of decks, existing deblinding method, and photos of the installation.
Performance problem Starting and sustained feed rates, time before blinding appears, cleaning frequency, and product lost with oversize.
Required result Target throughput, separation specification, acceptable yield, and desired operating time between interruptions.
Process requirements Cleaning method, contact materials, containment, relevant area classification, power supply, and documentation needs.
Ask about testing with your powder. A useful trial compares sustained throughput, separation quality, and mesh condition under representative feed conditions. Include the normal production duration and quality criteria in the test discussion.

Common questions

Ultrasonic sieving FAQs

Is ultrasonic deblinding a separate screening machine?

It is a system that works with compatible sieving equipment and a suitable screen assembly. The sieve handles material movement and discharge; ultrasonic energy acts at the mesh to help resist blinding.

Can ultrasonic deblinding be fitted to an existing sieve?

Potentially. Existing equipment needs a review of its screen construction, dimensions, available space, and operating requirements. CMT can help gather the information for Russell Finex to evaluate a suitable retrofit.

Will it increase throughput on every powder?

No. The improvement depends on whether mesh blinding limits the process. Poor feeding, insufficient screening area, moisture, or another restriction may require a different solution. Representative testing helps establish the likely benefit.

Does ultrasonic sieving change the mesh opening?

The selected aperture remains the nominal size cut. Ultrasonic assistance helps keep openings available for screening; it does not replace correct mesh selection or verification of the final product.

Does it replace routine cleaning and screen inspection?

No. Ultrasonic deblinding can reduce interruptions caused by buildup, but routine cleaning, sanitation, and inspection for damage or wear remain necessary.

How does it compare with balls, discs, or brushes?

Mechanical systems physically act on the screen to help clear particles. Ultrasonic systems transmit high-frequency vibration into a compatible mesh assembly. Selection depends on the material, aperture, screen design, and required performance.

Should I choose ultrasonic deblinding or a different screener?

Review the whole application. A different mesh, feed arrangement, machine setting, or separator design may be more appropriate. Ultrasonic deblinding is one option to evaluate against the required throughput and separation quality.

Explore related screening equipment

Check Screeners

Remove oversize contamination from powders and suitable liquid products.

View Check Screeners →

Grading Sieves

Separate material into defined particle-size fractions using vibratory separators.

View Grading Sieves →

Russell Finex Equipment

Explore screening, separation, and liquid filtration options for your process.

View the Equipment Range →

Get more from your screening process

Tell us about your powder, current mesh, and operating challenge. We will help you evaluate whether ultrasonic deblinding is a suitable next step.