Fluid Power Journal

Understanding the Application of Fluid Conditioning: The Effect of Contamination

Water: In hydraulic fluids, excess water can degrade the fluid and the system in numerous ways, even  though water may be present in small quantities. In …

Features 0 Comments

Problem: Extending and Retracting Forces

What are the extending and retracting forces? Deadline past. Not available for submissions. Winner: John Krebsbach, Fluid Power Engineering, Inc., Milan, IL …

Air Teaser 0 Comments

Problem: Cylinder Retraction

Neglecting pilot line sizes, approximately how many seconds after pushing the start button will the cylinder start to retract? This teaser is printed in the …

Air Teaser 4 Comments

Problem: Calculate This

Given: Coefficient of Friction: .2 Cylinder: 4″ x 20″ x 2″ 1. Calculate the pressure to retract the load. 2. Calculate the distance that the …

Air Teaser 4 Comments

Problem: What Is The Easiest Fix?

Why doesn’t the adjustable flow control regulate the speed to open a door equipped with an automatic door closer? What is the easiest fix? The original …

Air Teaser 0 Comments

System Integrators Challenge: The Pneumatic Solution

You may not believe this, but I did not have the solution to the challenges when I wrote the article. I simply chose two scenarios where I knew there would be …

Watts It All ABout 0 Comments

Problem: Number of Cycles

“I plan to put an eight (8)-ft. elevator in my house using an air-over-oil system in case of power outages. My air compressor has a 75-gallon tank and kicks …

Air Teaser 0 Comments

Problem: Cost of Air Leaks

We often hear that the cost of air in a manufacturing facility is approximately 40% of a utility bill.  Obviously this will vary considerably for different …

Air Teaser 1 Comment

Problem: Cylinder Extension

Given: Cylinder is 4″ x 20″ x 2″ Operating pressure is 100 psi No load on cylinder This cylinder is extending at a rate of 5 inches per …

Air Teaser 0 Comments

Problem: Building Anchor

This question varies a bit from the normal Air Teaser, however it still uses some of the same formulas that are used to determine a force to overcome motion. …

Air Teaser 0 Comments

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