vibratory equipment sizing

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

Unique Design Options Available for Specific Vibratory Compaction Table Applications

David Strong
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Recently on a long weekend I took the “Behind the Scenes Tour” of the C.F. Martin guitar factory in Nazareth, Pennsylvania.  During the tour the six of us in my group got to see pretty much the whole guitar building process from wood coming in the back door to final set up of the completed instrument.  Along the way we spent a few minutes talking with the guy that actually hand selects the wood for all the Custom Shop guitars, the customer works with a Martin guitar distributor, customizes an instrument and starts the process.  This gentleman reviews the order’s specifications and gets to look through Martin’s selection of some of the most beautiful wood you’d ever want to see to find just the right set to match up with the order.  Custom shop orders start with the basic guitar body style and build on from there, sort of like what Cleveland Vibrator does with its product line.  Cleveland Vibrator is very customer driven; the customer knows their business, process and goals, Cleveland Vibrator asks questions, listens, and often conducts testing, then offers a solution to accomplish those goals.  Similar to Martin Guitars on the “custom build your guitar” portion of their website, modifications to Cleveland Vibrators products is available.

FA Flat Deck Vibratory TableA good example of a product that is often modified by customer requirements is the vibratory table.  Basically a table is designed to vibrate linearly in the vertical direction.  From this very basic concept there are almost an infinite number of options and variables available to accomplish the customer’s goal, regardless of how simple or 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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Craig Macklin

Vibrators Don’t Damage Equipment, Wrong Installations Do

Craig Macklin
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I am just back from a whirlwind trip through the heartland where I had the opportunity to visit a few plants and equipment makers installing and using vibrators.  In the plants in particular, I came across a few instances of damaged and repaired equipment, such as cracked hopper walls that had to be re-welded.  Too often, the vibrator gets a bad rap in these situations, where in reality, the damage is a function of not sizing or installing the vibrator correctly.  In this post, I want to make three easy recommendations for industrial vibrator users to hopefully prevent future perception of industrial vibrators causing damage: Read More…

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Jack Steinbuch

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

Jack Steinbuch
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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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David Strong

Stroke, Frequency and Force: The Keys to Vibratory Compaction

David Strong
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One of the more common applications for industrial vibration is to settle or compact a wide variety of products.  This ranges from foundry sand around a core to powdered metal, beer bottle caps, individual sugar packets, ceramic mixes to concrete blends used in ATM wall enclosures.  This compaction process can be accomplished on any one of a number of vibratory equipment products including vibratory joggers (VJ), vibratory packers (VP) either pneumatic or electric powered, flat deck tables (FA), grid tables (GT) where the vibrating table is integrated with a roller section or the vibratory belt table (BT).  Regardless of the equipment used we start by understanding the material and working with a few basic parameters to accomplish the task.

The most critical parameters in any compaction problem are Read More…

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Jeff Hochadel

Powder Metal Fine Mesh Screening Customizations

Jeff Hochadel
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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 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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David Strong

Designing Vibratory Equipment to Meet Size Contraints

David Strong
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My wife will be the first person to tell you that she hates shopping.  At almost six feet tall, it can be a challenge for her to find something that fits right with an arm length that isn’t some place closer to the elbow when it should be at the wrist.  Therefore, it always kills me when she comes home with something that is touted to be “one size fits all” my standard response is “one size fits none!”    Over the years, I’ve found that this theory applies to material handling equipment as well.  On most applications, each customer’s requirements are just a bit different from the previous set of design parameters.

When I first started working at The Cleveland Vibrator Company, Read More…

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Jack Steinbuch

The Importance of Getting All the Data for Screening Applications

Jack Steinbuch
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We receive numerous requests for Screeners where the effective screening area has been specified by the customer.  While a decent amount of these requests work out to the best of our knowledge (since not everyone is willing to admit that they may have erred in their request), we do offer to review the application to confirm that the screening area is adequate if sufficient data is provided.

Our challenge in this instance is to get the customer to provide us with the information we require to determine the optimum size, and Read More…

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