Fluid Power Journal

Noisy Pump Causing Foam to Escape Through the Filler Breather

By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training I was called to troubleshoot a foaming problem …

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Injection Molding Machine Not Up To Speed

  I was asked to help a student of ours with an injection molding machine that had trouble with the Extruder/Injection unit motor running slow. They …

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The Value of Fluid Power Certification That Speaks to the Customer

By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training When I started CFC Industrial Training in 1990, …

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Rotating Stage’s Hydraulic Motor Keeps Leaking

A large entertainment stage is rotated by a Geroler type hydraulic motor shown on the circuit. The regenerative center position on the directional valve …

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Clamp and Drill Circuit Will Not Release the Part

A new hydraulic system was installed on an old “Clamp and Drill” machine. A PLC would shift a directional valve clamping the part and a proximity switch …

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Drifting and Lurching Cylinder on Food-Processing Equipment

In the food and pharmaceutical processing industries, leaking actuators can contaminate products and increase waste, not to mention the possibility of …

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Intake Filter in a Mansion Elevator

A well-known actor had a small elevator installed in his mansion that sits on top of a Tennessee mountain. He wanted it to lift two people up 20 feet to a …

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Missing Rod Seal Back-up Ring

A casting company had a large heat treat furnace used in its process of making knuckles and suspension components for major automakers. These …

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Gear Pump Load Sense

A hydraulic distributor hired a sales engineer for a new territory they were moving into. The first customer the engineer visited requested a quote on a …

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