Vibratory Equipment Beat

Craig Macklin

Brake. Don’t Break.

By Craig Macklin

To the casual observer, Vibratory Equipment might look like pretty simple stuff.  You just slap some vibrators on the thing to make it shake, right?  Anyone can make that!  Well, as we’ve seen in some other detailed posts from Jack Steinbuch, there is more than meets the eye to designing and building something that will work and last.

One design feature that we have offered and recommended in the past is the Dynamic Brake. I say that we offered in the past because we are now moving to just make Dynamic Brakes standard features.  We recognize that many folks may not know what a Dynamic Brake really does in order to see it as a good option to add.  However, as you will see in the explanation and video here, it is more than a good option.  It is the right way to build controls for vibratory equipment.  We feel so strongly about doing things the right way.  So, we are now just including it as standard feature.

To explain the Dynamic Break, we need to start with a quick review of the vibratory motors that make the equipment work.  A vibratory table, feeder or screener uses two rotary electric vibratory motors (or shaker motors) that counter-rotate.  Read More…


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Jack Steinbuch

What You Need to Know About Screening Media – Part Deux

By Jack Steinbuch

This blog is the second in a series that will be dedicated to typical screening medias that are installed in Vibratory Screeners. I will discuss their advantages and disadvantages so you can be in a better position to assist us in the selection process.

Perforated Plate

This is also a fairly common and widely used screening media for many applications including scalping, sizing and dewatering.  Perforated plate, as relates to sections installed in vibratory screeners, is typically designated by the openings, the bar width (amount of material between the openings), centers (distance between the holes as well as staggered or straight line) and thickness. Read More…


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Jack Steinbuch

What You Need To Know About Screening Media: Woven Wire Cloth, Part I.

By Jack Steinbuch

There are a wide variety of screening media that can be installed in vibratory screeners.  Our challenge is to select which type would be best suited for your application.  You can refer back to my blog: Importance of screening data from May 2013 to review the technical data that would best assist us in making screener recommendations.  Some of this data would also be appropriate for selecting screening media. This blog is the first in a series that will be dedicated to typical screening media that are installed in Vibratory Screeners with their advantages and disadvantages so you can be in a better position to assist us in the selection process.

Woven Wire Cloth

This is the most common and widely used screening media for many applications including scalping, sizing and dewatering.  Woven wire cloth is typically designated as space screen (clear openings) or square mesh.  Space screen is the inside dimensions of the opening which should be further designated with a specific wire diameter.  Please note that the wire diameter doesn’t affect the screen opening Read More…


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Jack Steinbuch

Why Should I Consider Trial Vibratory Units?

By Jack Steinbuch

From time to time you may have been faced with applications where the solutions offered don’t leave you fully comfortable to commit to a purchase.  The solution may seem viable, but you just need that extra something before you can pull the trigger.  While testimonials might do the trick, I suggest a trial or demo as a way to resolve your dilemma.  Fortunately, some manufacturers offer trial units or demos that will allow you to try the specific item offered as a solution, or an alternate item that is similar enough to enable you to determine if the actual product is suitable.

People often contact us with unique applications where they believe an external vibrator might be applicable.  Offering to send an air or electric powered vibrator on trial is often the best course of action if it is indeed an unusual application or the idea of trying it first is desirable.  Read More…


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“No, we don’t make that kind of vibrator…” (Insert Grin Here)

By CVC Team

I don’t know that having a sense of humor is a requirement for employment here at The Cleveland Vibrator Company, but it certainly wouldn’t hurt!  Perhaps it’s a bit like the old Johnny Cash song about a boy named Sue; you’ve got to expect some off the wall comments when your employer is The Cleveland VIBRATOR Company!  Hard not to be at some sort of gathering and someone asks what you do or where you work.  Yea sure, Cleveland VIBRATOR, you can see them fighting back the smile and probably more than a couple of questions.  I used to be in the Army Reserves and spent the last few years of my service in a school unit as an instructor and eventually as a course manager.  Our mission was to teach soldiers who wanted to change career fields and get a new “MOS” or job skill.  At the end of the “report day” once we’d in-processed all the students into the course we would have a brief introduction to the school, the course and the staff.  We’d go around the class and have each student talk a bit about themselves, military experience and civilian career, always fascinating.  After we worked through the students then the staff would do the same.  I always got a kick out of saying, “I’m Master Sergeant David Strong, so on and so forth, I’m a mechanical engineer and work for The Cleveland Vibrator Company.”   I always gave it a long pause and then added “and no…we don’t make hand held pleasure devices!”  You can probably imagine the response. Read More…


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Jack Steinbuch

How You Can Reduce Plug Blinding During Screening

By Jack Steinbuch

Blinding is when there is a decrease in the open area of a screen due to coating or plugging.

What is Plug Blinding?

We will focus on plug blinding as it has become more prevalent due to the increase in recycling. Plug blinding occurs when you screen material containing particles with irregular shapes. Think of candy corn: if the pointed end falls into a screen opening and then gets stuck or plugs the opening, it can prevent the fine material from passing.

Eventually, the screen section can lose its screening effectiveness as more particles plug into screen openings. Since this material wedges into the screen opening, the vibration energy used to screen the material isn’t always sufficient to knock them out of the opening. For example, the recycling of plastics creates irregularly shaped materials that can plug openings, thereby adversely affecting screening. Our challenge is to find a way to reduce plug blinding to keep our screening efficiency and reduce the downtime cost to clean the screen deck manually.

Read More…
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Katy Sabo

Experiencing the Grit and Glory of the Industrial Vibrator Industry

By Katy Sabo

There are many aspects to the working at The Cleveland Vibrator Company that teach you valuable industry lessons, especially when you are considered a “rookie” or “newbie” in the industry. I began my journey into the Industrial Vibrator world this past December and I am surprised myself as to how much knowledge I have gained thus far – particularly the impressive span of industries where vibration is highly valued in order to efficiently move materials through plant production. Being the Marketing Associate, it is part of my job description to photograph every piece of Fabricated Vibratory Equipment that leaves our facility. Coming into an industry that was completely foreign to me, this job detail quickly became incredibly beneficial in my learning process about Industrial Vibration and where I could find it in use.

My first experience with photographing Vibratory Equipment happened within my first week on the job, I was asked to video the testing of an EMS Electromechanical Vibratory Screener. Read More…


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Jack Steinbuch

Vibratory Feeders & Screeners: The Affects of Force, Acceleration and Frequency

By Jack Steinbuch

We often receive calls from customers that need to make adjustments to the product flow in their vibratory feeders or screener/feeders.  Our challenge is to determine what style equipment is being operated to provide the appropriate options.  The following are three basic drive options which produce linear force that can be used to power vibratory feeders or screener/feeders.  To clarify, a screener/feeder is designed to feed the material with that same vibratory action also serving to help stratify the material – Read More…


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Jack Steinbuch

How Can We Automate the Packing of Our Product In Containers?

By Jack Steinbuch

There are a wide variety of vibrating tables available to pack material in containers.  Flat vibrating tables or packers are commonly used for this application where an empty container is manually placed on the table, filling begins, at some point during the filling process the vibrating table is started to begin packing and finally you end the filling cycle and turn off the table.  While this manual operation fits the needs of many operators, they may not be aware that there are alternatives that allow a more automated operation. Read More…


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Jack Steinbuch

Are You Afraid to Ask About Sizing Industrial Vibrators for Bins or Hoppers?

By Jack Steinbuch

I’ve been told that my last blog regarding the importance of wall thickness when utilizing external industrial vibrators for bins or hoppers seems to have struck a chord.  I plan to expand on that blog by providing some recommendations for sizing external vibrators since I merely referred to a vibrator with proper force previously – and you just may have been afraid to ask!

Essentially, we need to apply enough external force to the wall of the bin or hopper to assist gravity in getting material to flow.  While I previously stressed properly flexing of the wall to get the material to flow, we still need to determine the correct amount of force to apply based on the configuration of the hopper as well as the bulk density and flowability of the material. Read More…


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