vibratory feeder

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

By CVC Team

When it comes to a vibratory hopper feeder and end-user requirements, The Cleveland Vibrator Company has worked with customers that span the range from simply wanting to increase material flow from point A to point B to more precise applications sending bulk material to downstream processes.

Customer Example

For example, we had the opportunity to visit a local customer and assist him with setting up a hopper feeder unit. Their goal was to place a dry material into plastic trays while they moved on a conveyor under the feeder. Precise metering of the dry material into the trays is critical to this customer’s success. 

It seemed this would be an excellent opportunity to discuss material flow and the impacting parameters. As mentioned, the equipment provided by The Cleveland Vibrator Company is a vibrator hopper feeder. The hopper is a stationary non-vibrating hopper with an adjustable slide gate. The vibratory feeder utilizes two rotary electric vibrators. A variable frequency drive (VFD) with a dynamic brake resistor controls the vibrators.

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Manufacturing Solutions, From Start to Finish.
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Manufacturing Solutions, From Start to Finish.

By CVC Team

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

By CVC Team

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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Why Is My Bulk Material Feeding or Screening Inefficiently?
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Why Is My Bulk Material Feeding or Screening Inefficiently?

By CVC Team

Once again I’m touching on the topic of the proper setup of rotary electric vibrators (RE) when they’re used on vibratory equipment.  Most of the vibratory equipment manufactured by The Cleveland Vibrator Company uses two rotary electric vibrators to produce linear vibration.  Vibratory tables (FA), vibratory grid tables (GT), electromechanical screeners (EMS) and electromechanical feeders (EMF) are all designed for the vibrators to counter rotate.   Again, counter rotation simply means that the vibrators rotate in different directions, one clockwise and the other counter clockwise.  It doesn’t matter which vibrator of the pair rotates clockwise or counter clockwise, it’s just important that they both don’t rotate in the same direction.

I recently tagged along with Jack Steinbuch on a visit to a customer who was experiencing some problems with a vibratory hopper feeder (RFM).  After inspecting the unit we asked the customer to remove the weight covers on the vibrators so we could check the rotation direction.  Once the weight covers are removed from the same end of each vibrator it’s very easy to see the direction of rotation as the vibrators are started up.  At startup it was clear that the vibrators were NOT counter rotating as required.   Read More…
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Brake. Don’t Break.
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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