timed single impact air knocker

Mike Stratis

How Vibration Helps Improve Dust Collection Systems

Mike Stratis
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When it comes to collecting dust created from a production line at a facility, it is critical to clean the existing and recently collected dust out of the collection equipment on a regular basis. One of the methods to remove the collected dust is with the help of vibration. Where the vibration is applied, though, depends on the collection system installed. The common installations that we see are:

• Electrostatic Precipitators (ESP)
• Baghouses
• Cyclones

First, the electrostatic precipitators. These are large systems that are frequently found at facilities like pulp and paper or steel mills, refineries, concrete plants or coal-fired power plants, just to name a few. These systems have a series of wires and plates that act as filters. Read More…

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Mike Stratis

Tired of Using the Hammer?

Mike Stratis
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There is something to be said about the functionality of a hammer. These tools can be used for a variety of applications, constructive or destructive purposes and are often lightweight components which makes them easy to carry around a shop floor. In this industry, we see and hear them used on day bins, surge bins, bulk storage hoppers, material transfer pipes and other similar equipment to break up bridging or rat-holing product and promote material flow. While this is certainly a quick fix and can help the material flow problems that day, there are a few potential long term issues that can arise when using a dead blow or sledge hammer to break loose the material.

First thing that comes to mind for the Cleveland Vibrator team, and most importantly in our eyes, is the safety of the operator. When using these hammers on bin or hopper, many times the operator is lifting the hammer above shoulder level and swinging up at a bin on a regular basis. Read More…

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David Strong

Measuring “Force Output” of the (SI) Single Impact Air Knocker Series

David Strong
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Recently one of our sales team reps was working with a potential customer on a Single Impact (SI) vibrator application.  At some point in the conversation the issue of force output of the unit came up and there was some comparison with an unknown competitor’s model.

I’ve written at least a couple of blogs talking about documenting the performance of piston vibrators, both air cushioned and impact piston pneumatic vibrators.  One of the big questions is what is a meaningful “number” for the force output and how do we arrive at that number.  For an air cushioned piston vibrator, as mentioned before it’s pretty easy, data can be collected and calculations made.  Impact units such as the 1200 VMS present a few more wrinkles but again, I think we’ve got a reasonable method of documenting the vibrators Read More…

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Glen Roberts

When A Vibratory Set Up Duplicates the Sledgehammer Motion of Five Workers at the Same Time…

Glen Roberts
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I have said for years to my “better half”, you can never have enough “toys” especially as it pertains to tools and for sure in my case golf clubs. This can be said about a recent spray dryer hopper application. We normally mount one industrial vibrator to the side of a hopper or bin and sometimes two by placing the second vibrator 180 degrees apart from the first vibrator installation area. In rare cases, we will actually mount three vibrators 120 degrees apart. The spray dryer customer wanted to mount five of our 1125 SI Single Impact Air Knockers on one hopper to dislodge sticky material. Not only did they want to mount five vibrators, but they also wanted them to impact at the same time. So, the folks of Cleveland Vibrator got creative.  Read More…

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Katy Sabo

Top 6 Ways to Keep Your Employees Safe in the Grain Handling Industry

Katy Sabo
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Valuing your worker’s safety and well-being are ideas that most can agree on being crucial for company success within dangerous industries such as Grain Handling. Part of my job is updating our Twitter Feed and keeping an eye out for industry news via shared stories and retweets by some of the most credible sources in the material handling industries. Recently, I have been seeing numerous stories about grain entrapment accidents and can’t help but wonder, why does this keep occurring when preventive measures are available? Read More…

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Craig Macklin

Industrial Vibration to Unstick Things

Craig Macklin
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Most applications of industrial vibrators or impactors are for material flow in hoppers, bin, chutes and pipes or material settling and de-airing.  However, I have been noticing recently applications we are coming across that are not being used on dry bulk materials or wet cast products.  Instead, they have a common theme of being used to “un-stick” items.  To relate to everyday experience, picture grabbing ice cubes from the freezer for your glass of lemonade.  You get a clump of them that bonded, maybe because they came out of the ice maker a little damp, and they won’t fit in your glass. What do you do?  Apply a little energy to them with some impact force (bang them on the counter) and break those bonds.  Cold lemonade success! Read More…

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Glen Roberts

Vibration Education and Safety: How SI Series Help Prevent Shoulder & Back Injuries

Glen Roberts
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We were contacted by a company that performs a special process on large diameter copper bars. Part of the process is seating the copper bars in place to do the process. This is currently accomplished by hitting the bars with an 8 to 12 pound sledge hammer. Due to the taxing and power-filled motion of the hammering process, it was causing extensive shoulder and back injuries on their employees. The situation was dire enough that it required a call to action and a solution, so they contacted The Cleveland Vibrator for a vibrator recommendation. 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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Glen Roberts

Preventing Carpal Tunnel with Single Impact Air Knockers

Glen Roberts
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We were recently asked by one of our foundry customers to quote our 1200 SI Air Knockers to replace hammers used by his employees to beat on the side of casting forms in order to free the casting from the mold. Because of the current process, they currently have two employees on workman’s compensation with carpal tunnel problems related to using hammers to loosen the castings. With the SI series developed to replace such manual processes, we can mount the vibrator on the mold and control the number of hits per minute plus control the force of the impact that the piston strikes the mold with our timer and five port spool valve set up.  This simple solution can not only save the health of the employees, but also thousands of dollars in lost time and claims.  If you have a manual process requiring employees to use hammers to dislodge material from molds, bins, hoppers or chutes, contact us to see if we can help.

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Craig Macklin

More Grain Entrapment and Engulfment: Hopper Bottoms

Craig Macklin
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As further follow-on to my previous post, I wanted to look at a specific subset of Grain Entrapment and Engulfment cases.  As I mentioned, I don’t think industrial vibrators and/or timed knockers are the silver bullet for preventing all cases.  However, I do think they can be effective for Read More…

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