vibratory equipment controls

Paper or Plastic?

Glen Roberts

I’m sure most of us remember the changeover push to convert our old standby of paper bags to plastic ones and how we somewhat resisted this at our local grocery stores. But as usual, with a little pushing from genius marketing gurus of our time, we eventually gave in and accepted the changeover. “Paper or Plastic” has pretty much disappeared to plastic only in today’s day-in-age.

I believe we went through the same changes as it pertains to electrical controls for our electric vibrators and vibratory equipment manufactured by The Cleveland Vibrator Company. When I started at CVC in the 60’s, pretty much all controls were steel construction with the NEMA 4X being stainless and the explosion proof enclosures were cast aluminum. We carried several types of sizes of NEMA-rated enclosures in stock just to try and cover all the bases. The responsibility of our sales team was to identify the NEMA-rated requirements of our customer’s application. This at times was easier said than done of course. Purchasing was given the responsibility of having the enclosures in stock plus having suppliers who could deliver the enclosures in a timely fashion when we experienced an out of stock situation. Lastly, of course, our manufacturing team was given the task of manufacturing the many types of controls required by our valued customers. Read More…

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Brake. Don’t Break.

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 and David Strong, there is more than meets the eye to designing and building something that will work and last.

One design feature in our controls 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 making 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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