Fluid Power Journal

Gear Pumps

The Optimum® series of gear pumps/motors is designed for durability, featuring a rigid pump design for long product life and maintained performance. Available …

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 …

Excessive Pressure Drop on a Test Stand

A hydraulic distributor designed and built a test stand with various sizes of sub-plates for mounting and testing pressure and directional valves. There were …

Problem: Vehicle Rod Sizing

In designing a vehicle to go down the road at 60 mph, one must know the drawbar pull of the vehicle. This is a combination of drag coefficient, rolling …

The Pressure Is On!

Most industrial vacuum applications involve the picking up or transfer of products, such as vacuum pick-and-place or material conveying. This article discusses …

Don’t Ignore the Basics

Workers at a small fiberglass manufacturer implemented some good efficiency measures a few years ago, yet some basic elements of their system were ignored. As …

How Clean Is Your Hydraulic Fluid?

Of all the oil-lubricated assets found in industrial plants, hydraulic systems are by far the most sensitive to contamination. Put simply: kept clean, they …

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 …

Mid-Pressure Range Pump

The V40M axial piston pump has been designed for open circuits in mobile machines and has a displacement volume of 2.75 in.3/rev. Its swash plate design allows …

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