Fluid Power Journal

Klüber Lubrication

For more than 80 years, Klüber Lubrication has formulated tribological solutions for an ever-advancing industrial society. The company has developed …

Problem: Pushing the Button

What will the cylinder do if the push button is pushed and held? What will the cylinder do if the push button is pushed and released with a 50-psi load on the …

Problem: Necessary Pressure

If the rotary actuator has four 4″ diameter cylinders as shown, what would be the necessary pressure to rotate the shaft with a torque of 5000 lb. in.? …

Designing and Building a Machine for Energy Conservation

(and Convincing a Customer it is Worth it!) Machine builders and their customers are often at odds over machine pricing and how to address the costs associated …

Position Sensor Technology Comparison for Hydraulic Cylinder Feedback

Position feedback sensors for hydraulic or pneumatic cylinders have used one of three traditional technologies:  magnetostrictive, variable resistance, and …

Problem: Standard Size Cylinder 2

Deadline Past. Not Available for Submissions. Winner: Mike Stoltenow, CFPS, Comatrol, Easley, SC Answered Correctly: Edward Day, CFPPS, Norgren, Inc., …

Spur Gear Pump Displacement

So you need to replace an unlabeled external gear pump originally sold by Cro-Magnon Hydraulics during the First Crusades, and sadly you have no idea of the …

Wear Band Materials and Pressures

Phenolic wear bands were a mainstay in hydraulic cylinders, however due to the formaldehyde content, they have largely been replaced by glass-filled nylon. If …

Problem: Sheet Metal Shear

This month’s problem is to convert a manually operated sheet metal shear to operate on pneumatics. Looking at the diagram, you will see the placement of the …

Problem: Standard Size Cylinder

The figure shows a door to open with an air cylinder pushing at a 45-degree angle. The door is 48 inches high and weighs 100 pounds. It needs to open 90 …

Fluid Power Journal is the official publication of the International Fluid Power Society

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