Home Case studies Ultrasonic sieve deblinding

Ultrasonic sieve deblinding

Ultrasonic deblinding can increase both productivity and sieving flexibility in a range of powder processing applications

Screen blocking or blinding is a common problem when sieving difficult powders on screens of 300 microns and below. It occurs when one or a combination of particles sits on or in an aperture of the mesh and stays there, preventing other particles from passing through these openings, and it is particularly common with powders that are sticky or that contain a lot of particles that are similar in size to the mesh apertures. When blinding occurs, the useful screening area and the screens overall capacity are reduced, slowing down production levels.

Russell Vibrasonic® Deblinding System

An ultrasonic deblinding system can eliminate all of these problems. In ultrasonic deblinding, an ultrasonic frequency is applied to the sieve mesh using an acoustically developed transducer. The frequency breaks down the surface tension, effectively making the stainless steel wires friction-free and preventing particles that are slightly greater and smaller than the mesh from blinding or blocking the screen mesh.

This technical article takes an in-depth look at screen blocking or blinding and how it can impact on the production process. Case studies highlight how the Vibrasonic® Deblinding System from Russell Finex has successfully eliminated screen blocking or blinding, revolutionizing the screening of difficult powders.


Download the full case study

Fill in this form to receive a copy of the in-depth case study.

Contact us

Our team of experts are ready to help find you solutions tailored to your specific needs.