Fine Mesh Powder Screening

Follow this beat for news and updates from the field and real solutions to fine mesh powder screening and sieving challenges.

Jeff Hochadel

Innovative Solutions to Industrial Fine Mesh Screening Challenges from Cleveland Vibrator Co.

By Jeff Hochadel

Over the years I have handled hundreds of sales calls. Some are looking for new equipment while others are looking to improve upon an existing application. The majority of the customers who are not looking for new equipment want to increase their “yield” or “productivity” of the final product they are trying to produce. My first question when addressing their issue is what is the percentage of “good” product are they losing in the oversize material in their screener?  While some have a good idea of this amount others have no idea what the correlation between yield and oversize has to do with each other. Read More…


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Jeff Hochadel

Lab and Pilot Sieve Improvements: Starting Small with Ultrasonic Deblinding

By Jeff Hochadel

Recently a customer inquired about purchasing a new lab test sieve shaker. His current laboratory sieve was an old, noisy, clunker of a test sieve shaker (I don’t think I need to name names…..). He was complaining of too many fines in the product – ground glass powder.   While the customer seemed to think his lab shaker was operating properly, he was concerned the test results were not accurate.  However, the end-user of his product was also complaining Read More…


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Jeff Hochadel

Powder Metal Fine Mesh Screening Customizations

By Jeff Hochadel

As a custom equipment manufacturer, we have quite a bit of flexibility in what we can offer.  Sometimes a screening application calls for requirements that a standard vibratory screener just cannot accommodate.

Recently, a customer asked us to redesign his powder metal screening operation in order to provide additional headroom for an additional piece of equipment. His application requirements were a vacuum, two-deck screening, and ultrasonics on both screen decks PLUS he wanted to increase production. He currently was also Read More…


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Jeff Hochadel

Low Cost, High-Frequency, Screen Deblinding – Turbomite Deblinding System

By Jeff Hochadel

­­Several weeks ago, I was reading an article in one of the technical journals discussing the variety of ways to eliminate screen blinding on vibratory equipment. The article discussed a number of “old school” solutions such as rubber balls, clean rings, spray nozzles and brushes. These methods have been around for decades and produce a low to moderate level of success in keeping the screen surface from blinding or clogging. The article also discussed the most effective solution for screen deblinding – Ultrasonics. While it is the most effective, ultrasonic deblinding systems are also the most expensive. If you are not familiar with ultrasonics Read More…


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Jeff Hochadel

Avoiding Costly Problems in Screening Ceramic Powders

By Jeff Hochadel

As the Sales Manager here at HK Technologies, I run across many unique and challenging screening applications on a weekly basis. While this is my first post and I have a lot of interesting applications to discuss, I want to begin with a recent application where a customer was using ultrasonic sieving to screen a high-value ceramic powder used in the electronics industry.  The screen mesh was fairly coarse – 80 mesh. The ceramic powder was agglomerating and forming hard nodules of ceramic material from the current supplier’s ultrasonic system. The customer could not tolerate these hard nodules contaminating the final product. They approached us for a solution.

              

Pic 1                                       Pic 2                                 Pic 3 – HK Tranducer – no screen contact

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