Electromechanical Feeders

David Strong

How to Design and Size a Vibratory Feeder Conveyor Based on Application Requirements

David Strong
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Similar to vibratory tables in their many uses and applications, vibratory feeders are also great problem solvers.  Well known for their ability to effective move material from point A to point B, a well-designed vibratory feeder offers flexibility to the end user to get the task done.

vibratory feeder, vibratory conveyor, rendering vibratory feeder

Figure 1. Air Powered Vibratory Feeder Conveyor

Feeders can range from small base mounted CF-A, pneumatic powered feeders moving small quantities dry bulk material in a controlled manner to much larger base or cable supported EMF, Electro mechanical feeder, conveying literally tons of material an hour. Off the top of my head a short list of materials that Cleveland Vibrator’s vibratory feeders have worked with would include: almonds, crushed limestone, shelled corn, powdered metal, metal billets, various pipe fittings, scrap brass and bronze, crushed and shredded automobiles, hot dross and much more.

Typically, a feeder application will require the movement of some given amount of material with a known bulk density over a desired distance. Read More…

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David Strong

Installing Vibratory Aids on Equipment: What Are My Options?

David Strong
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It seems to me that most applications start with a problem to solve; improve a process, simplify an operation, increase yield or throughput, or remove a bottleneck.  This problem could be as simple as placing the appropriately size pneumatic piston vibrator on the size of a hopper.  It could entail getting the right air cushioned vibrator such as the 1200 VMSAC or maybe a single impacting SI vibrator along with the matching SMP mounting channel and controls.  Or the problem could be more broad with concerns regarding the process or task to be accomplished and the design envelope into which the solution must fit and then interface with other equipment.

Regardless of the problem, options and choices are always good. 

cleveland vibrator vibrtgory conveyor, electric vibratory conveyor, electric vibratory feederOften with equipment one of the first things that comes up in initial discussions is the design height or discharge height of the unit.  With vibratory feeders (EMF) and screeners (EMS)
there’s always a concern of the product discharge height, as the equipment is often feeding material downstream to other devices.  One of the options that impact the design and therefore the height of the unit is the location of the vibrators.  Typically on vibratory feeders and screeners the default Read More…

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David Strong

3 Variables to Consider That Influence Material Flow from Vibratory Hopper Feeders

David Strong
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When it comes to vibratory equipment and end user requirements, Cleveland Vibrator has worked with customers that span the range from simply wanting to move material from point A to point B and they’re not terribly concerned with much more than that goal.  Other customers use vibratory equipment to provide bulk material to downstream processes and are looking for more precise control of the material flow.

Recently I had the opportunity to visit a local customer and assist him with setting up a recently completed hopper-feeder unit.  This customer’s goal was to place a dry material into plastic trays while the plastic trays moved on a conveyor belt under the vibratory feeder.  Precise metering of the dry material into the trays is critical to this customer’s success.  As I worked with this customer and our equipment it seemed to me that this would be an excellent basis for a discussion of material flow and what parameters impact the control of the flow. As mentioned the equipment provided by Cleveland Read More…

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David Strong

Manufacturing Solutions, From Start to Finish.

David Strong
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Cleveland Vibrator recently added a new employee in the Fabricated Equipment area of the company.  At the end of 2015 our CEO declared that 2016 would be a “year of investment” here in terms of both people and equipment.  It’s exciting to see this sort of thing happening, good people coming on board as well as some new CNC equipment on the immediate horizon.  It all makes Cleveland Vibrator a better company.  While getting to know a bit about our new guy in the Fab area, we talked some about his work experience and the opportunity at Cleveland Vibrator.  One of the things he already likes about the position is that he gets to see a piece of equipment completely manufactured, start to finish.  I told him that’s one of the things that I’ve always enjoyed about my job, getting to be involved with the complete process often starting with the solution concept generation phase to final testing of that solution prior to it shipping out to the customer.

I think most engineers are problem solvers and that’s one of the aspects of this profession that they find interesting and rewarding.  That’s certainly the case for me.  I’ve always found the diversity of Cleveland Vibrator’s customers and their problems very interesting.  Plus, I feel that we have a very “intimate” manufacturing process, it’s all here in one location.   Whether it’s the manufacture of a pneumatic piston vibrator, as an example the 1300 VMSAC, air cushion vibrator piston vibrator or a large vibratory feeder Read More…

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David Strong

What’s the Difference Between Attached & Unattached Volumetric Hopper Designs for Vibratory Equipment?

David Strong
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Generally speaking, in life, choices are a good thing.  This applies to industrial vibrators and vibrating equipment as much as it does for lunch time options.  In terms of fabricated vibratory equipment, Cleveland Vibrator offers a variety of solutions to processing and material handling problems.  Regardless if the need is for a vibratory feeder, screener, compaction table or vibratory belt table, our sales and application folks are up to the challenge of solving the particular needs and requirements of our diverse customer base.  As I mentioned in earlier blogs, when it comes to vibratory equipment, one size in fact doesn’t fit all.  Rarely do one customer’s particular requirements match up exactly with another customer’s, the solution may be similar in type but not in exact physical size.  Tailoring to meet the individual needs of each customer is part of the Cleveland Vibrator fabricated equipment DNA.

One of the many types of fabricated equipment manufactured by The Cleveland Vibrator Company is the volumetric feeder.   Internally, they are generally referred to as Hopper Feeders, RFM, these units can be pneumatic or electric powered.  The key design element is that a vibratory feeder has a storage hopper associated with it which accepts and stores dumps of material and then feeds the material out of the hopper in a controlled manner.  Read More…

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Jack Steinbuch

It’s Complicated, or Is It? The Frequency, Stroke & Acceleration Relationship

Jack Steinbuch
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Variable Frequency Drives (VFD) have become commonplace in many of our bulk material handling applications due to the adjustability they provide and the cost which has become more attractive over the years.  However, I have found that many of our customers do not understand what they can achieve with this controller and how it affects acceleration when working with our electromechanically driven equipment featuring twin electric motor vibrators like our EMF vibratory feeders, EMS vibratory screeners and FA flat deck & GT grid top tables.

So we will start off with the fact that is contrary to what some might think – the lowering of the frequency does not affect the stroke being produced by the equipment.  The stroke of the equipment can only be changed by mechanically adjusting the eccentric weight settings on the vibrators.  Read More…

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Katy Sabo

Experiencing the Grit and Glory of the Industrial Vibrator Industry

Katy Sabo
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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

Jack Steinbuch
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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 To Select The Proper Vibrating Feeder Design

Jack Steinbuch
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There are two basic designs available when selecting a vibrating (linear) feeder: electromagnetic and electromechanical.  Air powered vibrating feeders are basically an alternate to the electromechanical feeders as they have the same simple brute force design concept – the vibratory drive is directly attached to the tray. Our challenge is to obtain as much information about the application to make recommendations Read More…

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